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SIM7000 Series
At Command Manual
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SimCom SIM7000 Series, SIM7000C-N, SIM700C, SIM7000A, SIM7000E-N At Command Manual

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SIMCOM COMFIDENTIAL FILE
SIM7000 Series_AT Command Manual_V1.03
SIMCOM COMFIDENTIAL FILE
Document Title SIM7000 Series AT Command Manual Version 1.03 Date 2018-05-08 Status Release Document Control ID SIM7000 Series_AT Command Manual_V1.03
General Notes
SIMCom offers this information as a service to its customers, to support application and engineering efforts that use the products designed by SIMCom. The information provided is based upon requirements specifically provided to SIMCom by the customers. SIMCom has not undertaken any independent search for additional relevant information, including any information that may be in the customer’s possession. Furthermore, system validation of this product designed by SIMCom within a larger electronic system remains th e responsibility of the customer or the customer’s system integrator. All specifications supplied herein are subject to change.
Copyright This document contains proprietary technical information which is the property of Shanghai SIMCom Wireless Solutions Ltd, copying of this document and giving it to others and the using or communication of the contents thereof, are forbidden without express authority. Offenders are liable to the payment of damages. All rights reserved in the event of grant of a patent or the registration of a utility model or design. All specification supplied herein are subject to change without notice at any time.
Copyright © Shanghai SIMCom Wireless Solutions Ltd. 2018
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Contents
Version History ......................................................................................... 11
1 Introduction ......................................................................................... 13
1.1 Scope of the document ................................................................................... 13
1.2 Related documents ......................................................................................... 13
1.3 Conventions and abbreviations ...................................................................... 13
1.4 AT Command syntax ...................................................................................... 13
1.4.1 Basic syntax ............................................................................................................ 14
1.4.2 S Parameter syntax .................................................................................................. 14
1.4.3 Extended Syntax ...................................................................................................... 14
1.4.4 Combining AT commands on the same Command line .......................................... 14
1.4.5 Entering successive AT commands on separate lines .............................................. 15
1.5 Supported character sets ................................................................................ 15
1.6 Flow control ................................................................................................... 15
1.6.1 Software flow control (XON/XOFF flow control) .................................................. 15
1.6.2 Hardware flow control (RTS/CTS flow control) ..................................................... 16
1.7 Definitions ...................................................................................................... 16
1.7.1 Parameter Saving Mode .......................................................................................... 16
1.7.2 Max Response Time ................................................................................................ 16
2 AT Commands According to V.25TER ............................................. 17
2.1 Overview of AT Commands According to V.25TER ..................................... 17
2.2 Detailed Description of AT Commands According to V.25TER .................... 18
2.2.1 A/ Re-issues the Last Command Given ............................................................... 18
2.2.2 ATD Mobile Originated Call to Dial A Number .................................................. 18
2.2.3 ATE Set Command Echo Mode ........................................................................... 19
2.2.4 ATH Disconnect Existing Connection ................................................................. 20
2.2.5 ATI Display Product Identification Information .................................................. 20
2.2.6 ATL Set Monitor speaker loudness ...................................................................... 21
2.2.7 ATM Set Monitor Speaker Mode ......................................................................... 21
2.2.8 +++ Switch from Data Mode or PPP Online Mode to Command Mode .............. 21
2.2.9 A
2.2.10 ATQ Set Result Code Presentation Mode ............................................................ 22
2.2.11 ATS0 Set Number of Rings before Automatically Answering the Call................ 23
2.2.12 ATS3 Set Command Line Termination Character ................................................ 23
2.2.13 ATS4 Set Response Formatting Character ........................................................... 24
2.2.14 ATS5 Set Command Line Editing Character ....................................................... 25
2.2.15 ATS6 Pause Before Blind Dialling ....................................................................... 25
2.2.16 ATS7 Set Number of Seconds to Wait for Connection Completion ..................... 26
2.2.17 ATS8 Set Number of Seconds to Wait for Comma Dial Modifier Encountered in
Dial String of D Command ..................................................................................................... 26
TO Switch from Command Mode to Data Mode .............................................. 22
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2.2.18 ATS10 Set Disconnect Delay after Indicating the Absence of Data Carrier ........ 27
2.2.19 ATV TA Response Format .................................................................................. 27
2.2.20 ATX Set CONNECT Result Code Format and Monitor Call Progress ................ 29
2.2.21 AT&C Set DCD Function Mode .......................................................................... 29
2.2.22 AT&D Set DTR Function Mode .......................................................................... 30
2.2.23 AT&E Set CONNECT Result Code Format About Speed ................................... 30
2.2.24 AT+GCAP Request Complete TA Capabilities List ............................................. 31
2.2.25 AT+GMI Request Manufacturer Identification .................................................... 31
2.2.26 AT+GMM Request TA Model Identification ....................................................... 31
2.2.27 AT+GMR Request TA Revision Identification of Software Release ................... 32
2.2.28 AT+GOI Request Global Object Identification .................................................... 32
2.2.29 AT+GSN Request TA Serial Number Identification (IMEI) ................................ 33
2.2.30 AT+ICF Set TE-TA Control Character Framing .................................................. 34
2.2.31 AT+IFC Set TE-TA Local Data Flow Control ..................................................... 34
2.2.32 AT+IPR Set TE-TA Fixed Local Rate .................................................................. 35
3 AT Commands According to 3GPP TS 27.007 .................................. 37
3.1 Overview of AT Command According to 3GPP TS 27.007 ........................... 37
3.2 Detailed Descriptions of AT Command According to 3GPP TS 27.007 ........ 37
3.2.1 AT+CGMI Request Manufacturer Identification ................................................. 37
3.2.2 AT+CGMM Request Model Identification .......................................................... 38
3.2.3 AT+CGMR Request TA Revision Identification of Software Release ................. 38
3.2.4 AT+CGSN Request Product Serial Number Identification .................................. 39
3.2.5 AT+CSCS Select TE Character Set ...................................................................... 39
3.2.6 AT+CIMI Request International Mobile Subscriber Identity ............................... 40
3.2.7 AT+CLCK Facility Lock ...................................................................................... 41
3.2.8 AT+CMEE Report Mobile Equipment Error ....................................................... 42
3.2.9 AT+COPS Operator Selection .............................................................................. 43
3.2.10 A T+CPAS Phone Activity Status .......................................................................... 45
3.2.11 AT+CPIN Enter PIN ............................................................................................ 45
3.2.12 AT+CPWD Change Password .............................................................................. 46
3.2.13 A
3.2.14 AT+CREG Network Registration ......................................................................... 49
3.2.15 A T+CRSM Restricted SIM Access ...................................................................... 50
3.2.16 AT+CSQ Signal Quality Report ........................................................................... 51
3.2.17 AT+CPOL Preferred Operator List ...................................................................... 52
3.2.18 AT+COPN Read Operator Names ........................................................................ 53
3.2.19 AT+CFUN Set Phone Functionality ..................................................................... 54
3.2.20 AT+CCLK Clock ................................................................................................. 55
3.2.21 AT+CSIM Generic SIM Access ........................................................................... 55
3.2.22 AT+CBC Battery Charge ..................................................................................... 56
3.2.23 AT+CUSD Unstructured Supplementary Service Data ........................................ 57
3.2.24 AT+CNUM Subscriber Number ........................................................................... 58
T+CRC Set Cellular Result Codes for Incoming Call Indication ...................... 48
4 AT Commands According to 3GPP TS 27.005 .................................. 59
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4.1 Overview of AT Commands According to 3GPP TS 27.005 ......................... 59
4.2 Detailed Descriptions of AT Commands According to 3GPP TS 27.005 ...... 59
4.2.1 AT+CMGD Delete SMS Message ....................................................................... 59
4.2.2 AT+CMGF Select SMS Message Format ............................................................ 60
4.2.3 AT+CMGL List SMS Messages from Preferred Store ......................................... 61
4.2.4 AT+CMGR Read SMS Message .......................................................................... 64
4.2.5 AT+CMGS Send SMS Message .......................................................................... 67
4.2.6 AT+CMGW Write SMS Message to Memory ..................................................... 68
4.2.7 AT+CMSS Send SMS Message from Storage ..................................................... 70
4.2.8 AT+CNMI New SMS Message Indications ......................................................... 71
4.2.9 AT+CPMS Preferred SMS Message Storage ....................................................... 73
4.2.10 AT+CRES Restore SMS Settings ......................................................................... 74
4.2.11 AT+CSAS Save SMS Settings ............................................................................. 75
4.2.12 A T+CSC A SMS Service Center Address ............................................................. 76
4.2.13 AT+CSDH Show SMS Text Mode Parameters .................................................... 77
4.2.14 AT+CSMP Set SMS T ext M ode Parameters ........................................................ 77
4.2.15 AT+CSMS Select Message Service ..................................................................... 78
5 AT Commands Special for SIMCom ................................................. 80
5.1 Overview ........................................................................................................ 80
5.2 Detailed Descriptions of Commands ............................................................. 81
5.2.1 AT+CPOWD Power off ....................................................................................... 81
5.2.2 AT+CADC Read ADC ........................................................................................ 81
5.2.3 AT+CFGRI Indicate RI When Using URC ......................................................... 82
5.2.4 AT+CLTS Get Local Timestamp ......................................................................... 82
5.2.5 AT+CBAND Get and Set Mobile Operation Band .............................................. 84
5.2.6 AT+CNBP Set the state of the band preference ................................................... 85
5.2.7 AT+CNSMOD Show network system mode........................................................... 87
5.2.8 AT+CSCLK Configure Slow Clock ..................................................................... 88
5.2.9 AT+CCID Show ICCID ....................................................................................... 88
5.2.10 AT+CDEVICE View Current Flash Device Type ............................................... 89
5.2.1
1 AT+GSV Display Product Identification Information.......................................... 89
5.2.12 AT+SGPIO Control the GPIO .............................................................................. 90
5.2.13 AT+SLEDS Set the Timer Period of Net Light .................................................... 90
5.2.14 AT+CNETLIGHT Close the Net Light or Open It to Shining ............................. 91
5.2.15 AT+CSGS Netlight Indication of GPRS Status ................................................... 92
5.2.16 AT+CGPIO Control the GPIO by PIN Index ....................................................... 93
5.2.17 AT+CBATCHK Set VBAT Checking Feature ON/OFF ..................................... 94
5.2.18 AT+CNMP Preferred mode selection .................................................................. 94
5.2.19 AT+CMNB Preferred selection between CAT-M and NB-IoT ........................... 95
5.2.20 AT+CPSMS Power Saving Mode Setting............................................................ 96
5.2.21 AT+CEDRXS Entended-DRX Setting ................................................................ 97
5.2.22 AT+CPSI Inquiring UE system information ........................................................ 98
5.2.23 AT+CGNAPN Get Network APN in CAT-M Or NB-IOT ................................. 100
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5.2.24 AT+CSDP Service Domain Preference ............................................................. 100
5.2.25 AT+MCELLLOCK Lock the special CAT-M cell ................................................ 101
5.2.26 AT+NCELLLOCK Lock the special NB-IOT cell ............................................... 102
5.2.27 AT+NBSC Config NB-IOT Scrambling Feature ............................................... 102
5.2.28 AT+CAPNMODE Select the Mode of Application Configure APN ................. 103
5.2.29 AT+CRRCSTATE Query RRC State ................................................................ 104
5.2.30 AT+CBANDCFG Configure CAT-M Or NB-IOT Band ................................... 105
5.2.31 AT+CNACT App Network Active .................................................................... 105
5.2.32 AT+CEDUMP Set whether the module reset when the module is crashed ........ 106
5.2.33 AT+CNBS Configure Band Scan Optimization For NB-IOT ........................... 107
5.2.34 AT+CNDS Configure Service Domain Preference For NB-IOT ....................... 108
5.2.35 AT+CENG Switch on or off Engineering Mode ................................................ 109
6 AT Commands for GPRS Support ................................................... 111
6.1 Overview of AT Commands for GPRS Support .......................................... 111
6.2 Detailed Descriptions of AT Commands for GPRS Support ....................... 111
6.2.1 AT+CGATT Attach or Detach from GPRS Service ........................................... 111
6.2.2 AT+CGDCONT Define PDP Context ................................................................ 112
6.2.3 AT+CGACT PDP Context Activate or Deactivate ............................................. 113
6.2.4 AT+CGPADDR Show PDP Address .................................................................. 114
6.2.5 AT+CGREG Network Registration Status ......................................................... 116
6.2.6 AT+CGSMS Select Service for MO SMS Messages ......................................... 117
7 AT Commands for IP Application .................................................... 119
7.1 Overview ...................................................................................................... 119
7.2 Detailed Descriptions of Commands ........................................................... 119
7.2.1 AT+SAPBR Bearer Settings for Applications Based on IP ................................ 119
8 AT Commands for TCPIP Application Toolkit ............................... 121
8.1 Overview ...................................................................................................... 121
8.2 Detailed Descriptions of Commands ........................................................... 122
8.2.1 AT+CIPMUX Start Up Multi-IP Connection ..................................................... 122
8.2.2 A
8.2.3 AT+CIPSEND Send Data Through TCP or UDP Connecti on ........................... 125
8.2.4 AT+CIPQSEND Select Data Transmitting Mode .............................................. 127
8.2.5 AT+CIPACK Query Previous Connection Data Transmitting State .................. 127
8.2.6 AT+CIPCLOSE Close TCP or UDP Connection .............................................. 128
8.2.7 AT+CIPSHUT Deactivate GPRS PDP Context ................................................. 129
8.2.8 AT+CLPORT Set Local Port .............................................................................. 129
8.2.9 AT+CSTT Start Task and Set APN, USER NAME, PASSWORD ................... 130
8.2.10 AT+CIICR Bring Up Wireless Connection with GPRS ..................................... 131
8.2.11 AT+CIFSR Get Local IP Address ...................................................................... 132
8.2.12 AT+CIFSREX Get Local IP Address extend ...................................................... 132
8.2.13 AT+CIPSTATUS Query Current Connection Status .......................................... 133
T+CIPSTART Start Up TC P or UDP Connecti on............................................ 122
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8.2.14 AT+CDNSCFG Configure Domain Name Server ............................................. 135
8.2.15 AT+CDNSGIP Query the IP Address of Given Domain Name ......................... 135
8.2.16 AT+CIPHEAD Add an IP Head at the Beginning of a Package Received......... 136
8.2.17 A T+CI P ATS Set Auto Sending Timer ................................................................ 137
8.2.18 AT+CIPSPRT Set Prompt of ‘>’ When Module Sends Data .............................. 138
8.2.19 AT+CIPSERVER Configure Module as Server ................................................. 138
8.2.20 AT+CIPCSGP Set GPRS for Connection Mode ................................................ 139
8.2.21 AT+CIPSRIP Show Remote IP Address and Port When Received Data ........... 140
8.2.22 AT+CIPDPDP Set Whether to Check State of GPRS Network Timing ............. 141
8.2.23 A T+CIPMODE Select TCPIP Application Mode .............................................. 142
8.2.24 AT+CIPCCFG Configure Transparent Transfer Mode....................................... 142
8.2.25 AT+CIPSHOWTP Display Transfer Protocol in IP Head When Received Data 143
8.2.26 AT+CIPUDPMODE UDP Extended Mode ........................................................ 144
8.2.27 AT+CIPRXGET Get Data from Network Manually .......................................... 145
8.2.28 AT+CIPRDTIMER Set Remote Delay Timer ................................................... 147
8.2.29 AT+CIPSGTXT Select GPRS PDP context ...................................................... 148
8.2.30 AT+CIPSENDHEX Set CIPSEND Data Format to Hex ................................... 149
8.2.31 AT+CIPHEXS Set Output-data Format with suffix ........................................... 149
8.2.32 AT+CIPTKA Set TCP Keepalive Parameters .................................................... 150
8.2.33 AT+CIPOPTION Enable or Disable TCP nagle algorithm ............................... 151
9 AT Commands for HTTP Application ............................................. 152
9.1 Overview ...................................................................................................... 152
9.2 Detailed Descriptions of Commands ........................................................... 152
9.2.1 AT+HTTPINIT Initialize HTTP Service ............................................................ 152
9.2.2 AT+HTTPTERM Terminate HTTP Service ....................................................... 153
9.2.3 AT+HTTPPA RA Set HTTP Param eter s Value ................................................... 153
9.2.4 AT+HTTPDATA Input HTTP Data .................................................................... 155
9.2.5 A T+HTTP ACTION HTTP Method Action ........................................................ 155
9.2.6 AT+HTTPREAD Read the HTTP Server Response .......................................... 157
9.2.7 AT+HTTPSTATUS Read HTTP Status .............................................................. 158
9.2.8 AT+HTTPHEAD Read the HTTP Header Information of Server Response ..... 159
9.2.9 A
T+HTTPTOFS download file to ap file system ............................................... 159
10 AT Commands for PING Application ........................................... 162
10.1 Overview .................................................................................................. 162
10.2 Detailed Descriptions of Commands ........................................................ 162
10.2.1 AT+CIPPING PING Request ............................................................................. 162
10.2.2 AT+CIPCTL Set the Mode When Receiving an IP Packet ................................ 163
10.2.3 AT+CIPFLT Set the Rules of IP Filter ............................................................... 164
11 AT Commands for FTP Application ............................................. 166
11.1 Overview ...................................................................................................... 166
11.2 Detailed Descriptions of Commands ........................................................... 167
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11.2.1 AT+FTPPORT Set FTP Control Port ................................................................. 167
11.2.2 AT+FTPMODE Set Active or Passive FTP Mode ............................................. 167
11.2.3 AT+FTPTYPE Set the Type of Data to Be Transferred ..................................... 168
11.2.4 AT+FTPPUTOPT Set FTP Put Type .................................................................. 169
11.2.5 AT+FTPCID Set FTP Bearer Profile Identifier .................................................. 169
11.2.6 AT+FTPREST Set Resume Broken Download .................................................. 170
11.2.7 A T+F TPSER V Set FTP Server Address ............................................................. 171
11.2.8 AT+FTPUN Set FTP User Name ....................................................................... 171
11.2.9 AT+FTPPW Set FTP Password .......................................................................... 172
11.2.10 AT+FTPGETNAME Set Download File Name ................................................. 173
11.2.11 AT+FTPGETPATH Set Download File Path ..................................................... 173
11.2.12 AT+FTPPUTNAME Set Upload File Name ...................................................... 174
11.2.13 AT+FTPPUTPATH Set Upload File Path ........................................................... 175
11.2.14 AT+FTPGET Download File ............................................................................. 175
11.2.15 AT+FTPPUT Set Upload File ............................................................................ 177
11.2.16 AT+FTPDELE Delete Specified File in FTP Server .......................................... 178
11.2.17 AT+FTPSIZE Get the Size of Specified File in FTP Server .............................. 178
11.2.18 AT+FTPSTATE Get the FTP State ..................................................................... 179
11.2.19 AT+FTPEXTPUT Extend Upload File ................................................................. 180
11.2.20 AT+FTPMKD Make Directory on the Remote Machine ................................... 181
11.2.21 AT+FTPRMD Remove Directory on the Remote Machine ............................... 181
11.2.22 AT+FTPLIST List Contents of Directory on the Remote Machine ................... 182
11.2.23 AT+FTPEXTGET Extend Download File ......................................................... 183
11.2.24 AT+FTPETPUT Upload File ............................................................................. 184
11.2.25 AT+FTPETGET Download File ........................................................................ 185
11.2.26 AT+FTPQUIT Quit Current FTP Session .......................................................... 186
11.2.27 AT+FTPRENAME Rename the Specified File on the Remote Machine ........... 187
11.2.28 AT+FTPMDTM Get the Last Modification Timestamp of Specified File on the
Remote Machine ................................................................................................................... 188
12 AT Command for NTP function .................................................... 189
12.1 Overview .................................................................................................. 189
12.2 Detailed Descriptions of Commands ........................................................ 189
12.2.1 AT+CNTPCID Set GPRS Bearer Profile’s ID ................................................... 189
12.2.2 AT+CNTP Sychronize Network Time................................................................ 189
13 AT Commands for OneNet Application ........................................ 192
13.1 Overview .................................................................................................. 192
13.2 Detailed Descriptions of Commands ........................................................ 192
13.2.1 AT+MIPLCREATE Create OneNet configuration ............................................. 192
13.2.2 AT+MIPLDELETE Delete OneNet configuration ............................................. 193
13.2.3 AT+MIPLOPEN Connect to OneNet ................................................................. 193
13.2.4 AT+MIPLADDOBJ Add object ......................................................................... 194
13.2.5 AT+MIPLDELOBJ Delete Object ..................................................................... 194
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13.2.6 AT+MIPLCLOSE Disconnect to OneNet .......................................................... 195
13.2.7 AT+MIPLNOTIFY Notify data to OneNet ........................................................ 195
13.2.8 AT+MIPLREADRSP Send response on read command .................................... 196
13.2.9 AT+MIPLWRITERSP Send response on write command ................................. 197
13.2.10 AT+MIPLEXECUTERSP Send response on execute command ................... 197
13.2.11 AT+MIPLOBSERVERSP Send response on observe command ....................... 198
13.2.12 AT+MIPLDISCOVERRSP Send response on discover command ................ 198
13.2.13 AT+MIPLPARAMETERRSP Send response on parameter command .......... 199
13.2.14 AT+MIPLUPDATE Update registeration ...................................................... 200
13.2.15 AT+MIPLVER Version of OneNet SDK ........................................................ 200
14 AT Commands for Telecom IOT Application .............................. 201
14.1 Overview .................................................................................................. 201
14.2 Detailed Descriptions of Commands ........................................................ 201
14.2.1 AT+SIMLCREATE Create configuration .......................................................... 201
14.2.2 AT+SIMLMODE Connection mode .................................................................. 201
14.2.3 AT+SIMLOPEN Connect to Telecom IOT ........................................................ 202
14.2.4 AT+SIMLSEND Send data to Telecom IOT ...................................................... 202
14.2.5 AT+SIMLCLOSE Disconnect to Telecom IOT ................................................. 203
15 AT Commands for GNSS Application .......................................... 204
15.1 Overview .................................................................................................. 204
15.2 Detailed Descriptions of Commands ........................................................ 205
15.2.1 AT+CGNSPWR GNSS Power Control .............................................................. 205
15.2.2 AT+CGNSINF GNSS Navigation Information Parsed From NMEA Sentences205
15.2.3 AT+CGNSURC GNSS Navigation URC Report ............................................... 208
15.2.4 AT+CGNSPORT GNSS NMEA Out Port Set .................................................... 209
15.2.5 AT+CGNSCOLD GNSS Cold Start ................................................................... 209
15.2.6 AT+CGNSWARM GNSS Warm Start ............................................................... 210
15.2.7 AT+CGNSHOT GNSS Hot Start ....................................................................... 210
15.2.8 AT+CGNSMOD GNSS Work Mode Set ........................................................... 211
15.2.9 AT+CGNSCFG GNSS NMEA Out Configure .................................................. 212
15.2.10 AT+CGNSTST GNSS NMEA Dat a Out P ut To At Port ................................ 213
15.2.1
1 A T+CGNSXTRA GNSS XTRA Function Open ................................................ 214
15.2.12 AT+CGNSCPY GNSS XTRA File Copy ....................................................... 214
16 AT Comma nds for File System ..................................................... 216
16.1 Overview .................................................................................................. 216
16.2 Detailed Descriptions of Commands ........................................................ 216
16.2.1 AT+CFSINIT Get Flash Data Buffer ................................................................. 216
16.2.2 AT+CFSWFILE Write File to the Flash Buffer Allocated by CFSINIT ........... 217
16.2.3 AT+CFSRFILE Read File from Flash ............................................................... 217
16.2.4 AT+CFSDFILE Delete the File from the Flash ................................................. 218
16.2.5 AT+CFSGFIS Get File Size ............................................................................... 219
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16.2.6 AT+CFSREN Rename a file .............................................................................. 220
16.2.7 AT+CFSGFRS Get the size of File System ....................................................... 221
16.2.8 AT+CFSTERM Free the Flash Buffer Allocated by CFSINIT .......................... 221
16.2.9 AT+CBAINIT Initialize the ap backup file system ........................................... 222
16.2.10 AT+CBALIST Set the files which want to backup ........................................ 222
16.2.11 AT+CBAPPS Start to backup ap file system Allocated by CBAINIT and CBALIST 223
16.2.12 AT+CBART Restore the file into ap file system ........................................... 223
17 AT Commands for SIM Application Toolkit ................................ 224
17.1 Overview .................................................................................................. 224
17.2 Detailed Descriptions of Commands ........................................................ 224
17.2.1 AT+STIN SAT Indication .................................................................................. 224
17.2.2 AT+STGI Get SAT information ........................................................................ 225
17.2.3 AT+STGR SAT respond .................................................................................... 227
17.2.4 AT+STK STK Switch ........................................................................................ 228
18 AT Commands for TCP/UDP Application Supported SSL .......... 229
18.1 Overview .................................................................................................. 229
18.2 Detailed Descriptions of Commands ........................................................ 229
18.2.1 AT+CACID Set TCP/UDP Identifier ................................................................. 229
18.2.2 AT+CASSL Set protocol and SSL context identifier ......................................... 230
18.2.3 AT+CASSLCFG Set SSL certificate and timeout parameters ........................... 231
18.2.4 AT+CAOPEN Open a TCP/UDP connection ..................................................... 232
18.2.5 AT+CASEND Send data via an established connection .................................... 234
18.2.6 AT+CARECV Receive data via an established connection ............................... 234
18.2.7 AT+CACLOSE Close a TCP/UDP connection .................................................. 235
18.2.8 AT+CSSLCFG Configure SSL parameters of a context identifier ..................... 235
19 Supported Unsolicited Result Codes ............................................. 240
19.1 Summary of CME ERROR Codes ........................................................... 240
19.2 Summary of CMS ERROR Codes ........................................................... 243
19.3 Summary of Unsolicited Result Codes .................................................... 247
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Version
Date
Chapter
What is new
5.2.23 AT+CGNAPN
Add A T command
All
Modify parameter save mode and max
5.2.28 AT+CAPNMODE
Add A T command
hange range of parameter <n> from
0…5 to 0…7
Charpter 11
Add FTP
SIMCOM COMFIDENTIAL FILE
Version History
V1.00 2017-06-22 New version V1.01 2017-09-08 5.2.22 AT+CPSI Add A T command
5.2.24 AT+CSDP Add A T command
5.2.25 AT+MCELLLOCK Add A T command
5.2.26 AT+NCELLLOCK Add A T command
5.2.27 AT+NBSC Add A T command Charpter 7 Add IP Charpter 9 Add HTTP Charpter 10 Add PINGs Charpter 13 Add GNSS
V1.02 2017-12-18 Delete A TZ,AT&F,AT&V
response time
1.7.1 Add AUTO_S AVE_REBOOT
1.7.2 Add Max response time
2.2.2 A T D Delete parameters <;>
3.2.14 A T+CRE G Change description of parameters
5.2.29 AT+CRRCSTATE Add A T command
5.2.30 AT+CBANDCFG Add A T command
8.2.2 AT+CIPSTART C
8.2.32 AT+CIPTKA Add AT command
8.2.33 AT+CIPOPTION Add A T command
Charpter 12 Add NTP
13.3.10 AT+CGNSTST Add A T Command
V1.03 2018-05-08 3.2.17 AT+CPOL Modify parameters
3.2.24 A T+CNUM Add A T Command
5.2.1 A T +CEDRXS Modify range of < AcT -type>
SIM7000 Series_AT Command Manual_V1.03 11 2018-05-08
5.2.33 AT+CNBS
Add A T Command
5.2.34 AT+CNDS
Add A T Command
SIMCOM COMFIDENTIAL FILE
5.2.31 AT+CNACT Add AT Command
5.2.32 AT+CEDUMP Add A T Command
5.2.35 AT+CENG Add A T Command
9.2.9 AT+HTTPTOFS Add A T Command Charpter 13 Add OneNet Charpter 14 Add Telecom IOT Charpter 15 Add GNSS Charpter 16 Add File system Charpter 17 Add SAT Charpter 18 Add SSL
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1 Introduction

1.1 Scope of the document
This document presents the AT Command Set for SIMCom SIM7000 Series, including SIM7000A, SIM700C, SIM7000E, SIM7000C-N, SIM7000E-N, SIM7000JC and SIM7000G.
1.2 Related documents
You can visit the SIMCom Website using the following link:
www.simcomm2m.com
http://
1.3 Conventions and abbreviations
In this document, the GSM engines are referred to as following term: ME (Mobile Equipment); MS (Mobile Station); T A (Terminal Adapter); DCE (Data Communication Equipment) or facsimile DCE (FAX modem, FAX board);
In application, controlling device controls the GSM engine by sending AT Command via its serial interface. The controlling device at the other end of the serial line is referred to as following term: TE (Terminal Equipment); DTE (Data Terminal Equipment) or plainly "the application" which is running on an embedded system;
1.4 AT Command syntax
The "AT" or "at" or "aT" or "At" prefix must be set at the beginning of each Command line. To terminate a Command line enter <CR>. Commands are usually followed by a response that includes. "<CR><LF><response><CR><LF>" Throughout this document, only the responses are presented,<CR><LF> are omitted intentionally.
T h e AT Command set implemented by SIM7000 Series is a combination of 3GPP TS 27.005, 3GPP TS 27.007 and ITU-T recommendation V.25ter and the AT commands developed by SIMCom.
Note: Only enter AT Command through serial port after SIM7000 Series is powered on and Unsolicited Result
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The mobile equipment returns the list of parameters and value ranges set with the corresponding Write
returns the currently set value of the
parameter or parameters.
definable parameter
parameters affected by internal processes in the GSM
SIMCOM COMFIDENTIAL FILE
Code "RDY" is received f rom serial port. If auto-bauding is enabled, the Un solicited Result Codes "RDY" and so on are not indicated when you start up the ME, and the "AT" prefix, or "at" prefix must be set at the beginning of each command line .
All these AT commands can be split into three categories syntact ically: "basic", "S parameter", and "extended". These are as follows:

1.4.1 Basic syntax

These AT commands have the format of "AT<x><n>", or "AT&<x><n>", where "<x>"is the Command, and "<n>"is/are the argument(s) for that Command. An example of this is "ATE<n>", which tells the DCE whether received characters should be echoed back to the DTE according to the value of "<n>". "<n>" is optional and a default will be used if missing.

1.4.2 S Parameter syntax

These AT commands have the format of "ATS<n>=<m>", where "<n>" is the index of the S register to set, and "<m>"is the value to assign to it. "<m>" is o ptional; if it is missing, then a default value is assigned.

1.4.3 Extended Syntax

These commands can operate in several modes, as in the following table:
Table 1: Types of AT commands and responses
Test Command AT+<x>=?
Command or by internal processes.
Read Command AT+<x>? This command
Write Command AT+<x>=<…> This command sets the user-
values.
Execution Command AT+<x> The execution command reads non-variable
engine.

1.4.4 Combining AT commands on the same Command line

You can enter several AT commands on the same line. In this case, you do not need to type the "AT" or "at" prefix before every command. Instead, you only need type "AT" or "at" the beginning of the command line. Ple ase note to use a semicolon as the command delimiter after an extended command; in basic syntax or S parameter syntax, the semicolon need not enter, for example: ATE1Q0S0=1S3=13V1X4;+IFC=0,0;+IPR=115200.
The Command line buffer can accept a maximum of 559 characters (counted from the first command without "AT" or "at" prefix) or 39 AT commands. If the characters entered exceeded
SIM7000 Series_AT Command Manual_V1.03 14 2018-05-08
SIMCOM COMFIDENTIAL FILE
this number then none of the Command will executed and TA will return "ERROR".

1.4.5 Entering successive AT commands on separate lines

When you need to enter a series of AT commands on separate lines, please Note that you need to wait the final response (for example OK, CME error, CMS error) of last AT Command you entered before you enter the next AT Command.
1.5 Supported character sets
The SIM7000 Series AT Command interface defaults to the IRA character set. The SIM7000 Series supports the following character sets: GSM format UCS2 IRA The character set can be set and interrogated using the "AT+CSCS" Command (3GPP TS
27.007). The character set is defined in GSM specification 3GPP TS 27.005.
The character set affects transmission and reception of SMS and SMS Cell Broadcast messages, the entry and display of phone book entries text field and SIM Application Toolkit alpha strings.
1.6 Flow control
Flow control is very important for correct communication between the GSM engine and DTE. For in the case such as a data or fax call, the sending device is transferring data faster than the receiving side is ready to accept. When the receiving buffer reaches its capacity, the receiving device should be capable to cause the sending device to pause until it catches up.
There are basically two approaches to achieve data flow control: software flow control and hardware flow control. SIM7000 Series support both two kinds of flow control. In Multiplex mode, it is recommended to use the hardware flow control.

1.6.1 Software flow control (XON/XOFF flow control)

Software flow control sends different characters to stop (XOFF, decimal 19) and resume (XON, decimal 17) data flow. It is quite useful in some applications that only use three wires on the serial interface.
The default flow control approach of SIM7000 Series is hardware flow control (RTS/CTS flow control), to enable software flow control in the DTE interface and within GSM engine, type the following AT Command:
AT+IFC=1, 1
Ensure that any communications software package (e.g. Hyper terminal) uses software flow control.
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SIMCOM COMFIDENTIAL FILE
NOTE:
Software Flow control should not be used for data calls where binary data will be transmitted or received (e.g. TCP/IP) as the DTE interface may interpret binary data as flow control characters.

1.6.2 Hardware flow control (RTS/CTS flow control)

Hardware flow control achieves the data flow control by controlling the RTS/CTS line. When the data transfer should be suspended, the CTS line is set inactive until the transfer from the receiving buffer has completed. When the receiving buffer is ok to receive more data, CTS goes active once again.
To achieve hardware flow control, ensure that the RTS/CTS lines are present on your application platform.
1.7 Definitions

1.7.1 Parameter Saving Mode

For the purposes of the present document, the following syntactical definitions apply: NO_SAVE: The parameter of the current AT command will be lost if module is rebooted or
current AT command doesn't have parameter.
AUTO_SAVE: The parameter of the current AT command will be kept in NVRAM
automatically and take in effect immediately, and it won't be lost if module is rebooted.
AUTO_SAVE_REBOOT: The parameter of the current AT command will be kept in
NVRAM automatically and take in effect after reboot, and it won't be lost if module is rebooted.
-: "-" means this AT command doesn’t care the parameter saving mode.

1.7.2 Max Response Time

Max response time is estimated maximum time to get response, the unit is seconds. "-" means this AT command doesn’t care the response time.
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Command
Description
Re-issues the last command given
ATL
Set monitor speaker loudness
+++
Switch from data mode or ppp online mode to command mode
ATS4
Set response formatting character
ATS5
Set command line editing character
r encountered in
dial string of D command
ATS10
Set disconnect delay after indicating the absence of data carrier
AT&D
Set DTR function mode
AT&F
Factory defined configuration
SIMCOM COMFIDENTIAL FILE

2 AT Commands According to V.25TER

These AT Commands are designed according to the ITU-T (International Telecommunication Union, Telecommunication sector) V.25ter document.
2.1 Overview of AT Commands According to V.25TER
A/ ATD Mobile originated call to dial a number ATE Set command echo mode ATH Disconnect existing connection ATI Display product identification information
ATM Set monitor speaker mode
ATO Switch from command mode to data mode ATQ Set result code presentation mode ATS0 Set number of rings before automatically answering the call ATS3 Set command line termination character
ATS6 Pause before blind dialling ATS7 Set number of seconds to wait for connection completion ATS8 Set number of seconds to wait for comma dial modifie
ATV TA response format ATX Set connect result code format and monitor call progress ATZ Reset default configuration AT&C Set DCD function mode
AT&V Display current configuration AT&E Set CONNECT Result Code Format About Speed AT+GCAP Request complete TA capabilities list
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AT+GMI
Request manufacturer identification
AT+GMR
Request TA revision identification of software release
AT+IPR
Set TE-TA fixed local rate

A/ Re-issues the Last Command Given

V.25ter

ATD Mobile Originated Call to Dial A Number

. It also serves to
Command or a character during execution. The aborting is not possible
SIMCOM COMFIDENTIAL FILE
AT+GMM Request TA model identification
AT+GOI Request global object identification AT+GSN Request TA serial number identification (IMEI) AT+ICF Set TE-TA control character framing AT+IFC Set TE-TA local data flow control
2.2 Detailed Description of AT Commands According to V.25TER
2.2.1 A/ Re-issues the Last Command Given
Execution Command
A/
Reference
2.2.2 ATD Mobile Originated Call to Dial A Number
Execution Command
ATD<n>[<mgsm ]
Response Re-issues the previous Command
Note
Response This command can be used to set up outgoing data calls control supplementary services. Note: This command may be aborted generally by receiving an ATH
during some states of connection establishment such as handshaking.
If error is related to ME functionality
+CME ERROR: <err>
If no dial tone and (parameter setting ATX2 or ATX4) NO DIALT O NE
If busy and (parameter setting ATX3 or ATX4) BUSY
If a connection cannot be established
NO CARRIER
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parameter setting with the
(Enable presentation of own number
Parameter Saving
Max Response
r or not the TA echoes characters received
SIMCOM COMFIDENTIAL FILE
If the remote station does not answer
NO ANSWER
If connection successful and non-voice call. CONNECT<text> TA switches to data mode. Note: <text> output only if ATX<value> <value> >0
When TA returns to command mode after call release OK
Parameters
<n> String of dialing digits and optionally V.25ter modifiers dialing digits: 0-9, * , #, +, A, B, C
Following V.25ter modifiers are ignored:
,(comma), T, P, !, W, @
Emergency call: <n> Standardized emergency number 112 (no SIM needed) <mgsm> String of GSM modifiers:
I Actives CLIR (Disables presentation of own number to called party) i Deactivates CLIR to called party) G Activates Closed User Group invocation for this call only g Deactivates Closed User Group invocation for this call only
NO_SAVE
Mode
Timeout set with ATS7 (data call)
Time
2.2.3 ATE Set Command Echo Mode
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Reference V.25ter

ATE Set Command Echo Mode

Execution Command
ATE<value>
Note
Response This setting determines whe the from TE during Command state.
OK
Parameters
Parameter Saving
Mode
Max Response
Execution
Response
Note: OK is issued after circuit 109(DCD) is turned off, if it was previously Parameter Saving
Response
V.25ter

ATI Display Product Identification Information

OK
Parameter Saving
Max Response
SIMCOM COMFIDENTIAL FILE
Time
<value> 0 Echo mode off
1 Echo mode on
-
Reference V.25ter
2.2.4 ATH Disconnect Existing Connection

ATH Disconnect Existing Connection

Command ATH
Mode Max
Time Reference
Note
Disconnect existing call by local TE from Command line and terminate call
OK
on.
NO_SAVE
20s
Note
2.2.5 ATI Display Product Identification Information
Execution Command
ATI
Mode
Time Reference
V.25ter
Response TA issues product information text
Example: SIM7000 R1351
NO_SAVE
-
Note
SIM7000 Series_AT Command Manual_V1.03 20 2018-05-08
Parameter Saving
Max Response Time
Parameter Saving
Max Response V.25ter
No effect in GSM
character sequence causes the TA to cancel the data flow over the
rface and switch to Command mode. This allows you to enter AT
escape sequence from being misinterpreted as data, it
SIMCOM COMFIDENTIAL FILE
2.2.6 ATL Set Monitor speaker loudness

ATL Set Monitor speaker loudness

Execution Command
ATL<value>
Mode
Reference V.25ter
2.2.7 ATM Set Monitor Speaker Mode

ATM Set Monitor Speaker Mode

Execution Command
ATM<value>
Response OK
Parameters <value> 0..3 Volume
NO_SAVE
-
Note No effect in GSM
Response OK
Parameters <value> 0..2 Mode
NO_SAVE
Mode
-
Time Reference
2.2.8 +++ Switch from Data Mode or PPP Online Mode to Command Mode

+++ Switch from Data Mode or PPP Online Mode to Command Mode

Execution Command
+++
Note
Response The +++ AT inte Command while maintaining the data connection to the remote server. OK
To prevent the +++ should comply to following sequence: No characters entered for T1 time (1 second) "+++" characters entered with no characters in between (1 second) No characters entered for T1 timer (1 second) Switch to Command mode, otherwise go to step 1.
SIM7000 Series_AT Command Manual_V1.03 21 2018-05-08
Parameter Saving
Mode
Max Response
Reference
Note
to data
Parameter
g
Max Response
This parameter setting determines whether or not the TA transmits any result
to the TE. Information text transmitted in response is not affected by
(none)
SIMCOM COMFIDENTIAL FILE
Time
NO_SAVE
-
V.25ter
2.2.9 ATO Switch from Command Mode to Data Mode

ATO Switch from Command Mode to Data Mode

Execution Command
ATO[n]
Parameter Savin Mode
To return from Command mode back to data mode: Enter ATO.
Response TA resumes the connection and switches back from command mode mode.
CONNECT If connection is not successfully resumed
ERROR
else TA returns to data mode from command mode CONNECT <text> Note: <text> only if parameter setting ATX>0
<n> 0 Switch from command mode to data mode. NO_SAVE
-
Time Reference
V.25ter
2.2.10 ATQ Set Result Code Presentation Mode

ATQ Set Result Code Presentation Mode

Execution Command
ATQ<n>
Note
Response
code this setting. If <n>=0:
OK
If <n>=1:
Parameters
<n> 0 TA transmits result code
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1 Result codes are suppressed and not transmitted
Parameter Saving
Mode
Max Response
Reference
Note ERROR
Number of rings the modem will wait for before answering
eter Saving
Mode
Max Response
is set too high, the calling party may hang up before the call can be
(automatically answering) only in UART1.

ATS3 Set Command Line Termination Character

SIMCOM COMFIDENTIAL FILE
Time
-
V.25ter
2.2.11 ATS0 Set Number of Rings before Automaticall y Answering the Call

ATS0 Set Number of Rings before Automatically Answering the Call

Read Command
ATS0?
Write Command ATS0=<n>
Response
<n>
OK
Parameters See Write Command
Response This parameter setting determines the number of rings before auto-answer.
OK
Parameters
<n> 0 Automatic answering is disable.
1-255 the phone if a ring is detected.
Param
Time Reference
V.25ter
2.2.12 ATS3 Set Command Line Termination Character
Read Command
ATS3?
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-
-
Note If <n> answered automatically. If using cmux port, ATH and AT+CHUP can hang up the call (automatically answering) only in the CMUX channel 0. If using dual-physical serial port, ATH and AT+CHUP can hang up the call
Response
<n>
See Write Command
This parameter setting determines the character recognized by TA to
ommand line. The TA also returns this character in
<n> 13 Command line termination character
Parameter Saving
Max Response
Reference
Note
This parameter setting determines the character generated by the TA for
<n> 10 Response formatting character
eter Saving
Max Response Reference
Note
SIMCOM COMFIDENTIAL FILE
OK
Parameters
Write Command ATS3=<n>
Mode
Time
V.25ter
2.2.13 ATS4 Set Response Formatting Character

ATS4 Set Response Formatting Character

Response
terminate an incoming c output.
OK
ERROR
Parameters
-
-
Default 13 = CR. It only supports default value.
Read Command
ATS4?
Write Command ATS4=<n>
Param Mode
Time
Response
<n>
OK
Parameters See Write Command
Response
result code and information text.
OK
ERROR
Parameters
-
-
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V.25ter
Default 10 = LF. It only supports default value.

ATS5 Set Command Line Editing Character

OK
This parameter setting determines the character recognized by TA as a
ommand line the immediately preceding
ERROR
Parameters
Parameter Saving
Max Response
Parameter Saving Max Response
-
SIMCOM COMFIDENTIAL FILE
2.2.14 ATS5 Set Command Line Editing Character
Read Command
ATS5?
Write Command ATS5=<n>
Mode
Time
Response
<n>
Parameters See Write Command
Response
request to delete from the c character.
OK
<n> 0-8-127 Response formatting character
-
-
Reference V.25ter
2.2.15 ATS6 Pause Before Blind Dialling

ATS6 Pause Before Blind Dialling

Read Command
ATS6?
Write Command ATS6=<n>
Mode
Note Default 8 = Backspace.
Response
<n>
OK
Response
OK
ERROR
Parameters <n> 0-2-999 Time
-
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Time
Write Command
Response
Parameter Saving
Max Response Time
ial
OK
Parameters Write Command
Response
SIMCOM COMFIDENTIAL FILE
Reference V.25ter
2.2.16 ATS7 Set Number of Seconds to Wait for Connection Completion

ATS7 Set Number of Seconds to Wait for Connection Completion

Read Command
ATS7?
ATS7=<n>
Note No effect in GSM
Response
<n>
OK
Parameters See Write Command
This parameter setting determines the amount of time to wait for the connection completion in case of answering or originating a call.
OK
ERROR
Parameters <n> 0-255 Number of seconds to wait for connection completion
-
Mode
-
Reference V.25ter
2.2.17 ATS8 Set Number of Seconds to Wait for Comma Dial Modifier Encountered in
Dial String of D Command
ATS8 Set Number of Seconds to Wait for Comma Dial Modifier Encountered in D String of D Command
Read Command
ATS8?
Note If called party has specified a high value for ATS0=<n>, call setup may fail. The correlation between ATS7 and ATS0 is important Example: Call may fail if ATS7=30 and ATS0=20. ATS7 is only applicable to data call.
Response
<n>
See Write Command
SIM7000 Series_AT Command Manual_V1.03 26 2018-05-08
Parameter Saving
Max Response
Read Command
Response
See Write Command
Parameter Saving
-
Max Response Command
This parameter setting determines the contents of the header and trailer
SIMCOM COMFIDENTIAL FILE
ATS8=<n> OK
ERROR
Parameters <n> 0-2-255 The value of this register determines how long the modem should pause when it sees a comma in the dialing string.
-
Mode
-
Time Reference
V.25ter
2.2.18 ATS10 Set Disconnect Delay after Indicating the Absence of Data Carrier

ATS10 Set Disconnect Delay after Indicating the Absence of Data Carrier

ATS10?
Write Command ATS10=<n>
Note No effect in GSM
<n>
OK
Parameters
Response This parameter setting determines the amount of time that the TA will remain connected in absence of data carrier. If the data carrier is once more detected before disconnecting, the TA remains connected.
OK
ERROR
Parameters <n> 1-14-255 Number of tenths seconds of delay
Mode
-
Time Reference
V.25ter
2.2.19 ATV TA Response Format

ATV TA Response Format

Execution
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Note
Response
The result codes, their numeric equivalents and brief descriptions of the use
Parameter Saving
Max Response
­OK 0 Acknowledges execution of a Command
A connection has been established; the DCE is moving from
The DCE has detected an incoming call signal from
The connection has been terminated or the attempt to
Command not recognized, Command line maximum length
ue invalid, or other problem with
"@" (Wait for Quiet Answer) dial modifier was used, but
e was not
detected before expiration of the connection timer (S7)
PROCEEDING
9
An AT command is being processed
data compression, or other status
SIMCOM COMFIDENTIAL FILE
ATV<value>
Mode
Time Reference
V.25ter
transmitted with result codes and information responses. When <value>=0
0 When <value>=1 OK
Parameters <value> 0 Information response: <text><CR><LF> Short result code format: <numeric code><CR>
1 Information response: <CR><LF><text><CR><LF>
Long result code format: <CR><LF><verbose code> <CR><LF>
of each are listed in the following table.
-
Note
ATV1 ATV0 Description
CONNECT
RING 2
NO CARRIER 3
ERROR 4
NO DIALTONE 6 No dial tone detected BUSY 7 Engaged (busy) signal detected NO ANSWER 8
1
Command state to online data state
network
establish a connection failed
exceeded, parameter val processing the Command line
remote ringing followed by five seconds of silenc
CONNECT <text>
SIM7000 Series_AT Command Manual_V1.03 28 2018-05-08
Manufacturer­specific
Same as CONNECT, but includes manufacturer-specific text that may specify DTE speed, line speed, error control,
he TA detected the
presence of dial tone and busy signal and whether or not TA transmits
t code only returned, dial tone and
Parameter Saving
Max Response
-
relates to the
ERROR
1 DCD line is ON only in the presence of data carrier
Parameter Saving Max Response
SIMCOM COMFIDENTIAL FILE
2.2.20 ATX Set CONNECT Result Code Format and Monitor Call Progress

ATX Set CONNECT Result Code Fo rmat and Monitor Call Progress

Execution Command ATX<value>
Mode
Response This parameter setting determines whether or not t
particular result codes.
OK
ERROR
Parameters <value> 0 CONNECT result code only returned, dial tone and busy detection are both disabled.
1 CONNECT<text> resul busy detection are both disabled. 2 CONNECT<text> result code returned, dial tone detection is enabled, busy detection is disabled. 3 CONNECT<text> result code returned, dial tone detection is disabled, busy detection is enabled. 4 CONNECT<text> result code returned, dial tone and busy detection are both enabled.
-
Time Reference
V.25ter
2.2.21 AT&C Set DCD Function Mode

AT&C Set DCD Function Mode

Execution Command AT&C<value>
Mode
Note
Response This parameter determines how the state of circuit 109 (DCD) detection of received line signal from the distant end.
OK
Parameters
<value> 0 DCD line is always ON
-
-
SIM7000 Series_AT Command Manual_V1.03 29 2018-05-08
Time
(DTR)
Parameter Saving
Max Response
-
ERROR
Parameter Saving Mode
Max Response
SIMCOM COMFIDENTIAL FILE
Reference V.25ter
2.2.22 AT&D Set DTR Function Mode

AT&D Set DTR Function Mode

Execution Command AT&D[<value>]
Mode
Note
Response This parameter determines how the TA responds when circuit 108/2 is changed from the ON to the OFF condition during data mode.
OK
or
ERROR
Parameters <value> 0 TA ignores status on DTR.
1 ON->OFF on DTR: Change to Command mode with remaining the connected call. 2 ON->OFF on DTR: Disconnect call, change to Command mode. During state DTR = OFF is auto-answer off.
-
Time Reference
V.25ter
2.2.23 AT&E Set CONNECT Result Code Format About Speed

AT&E Set CONNECT Result Code Format About Speed

Execution Command AT&E[<value>]
Note
This parameter setting determines to report Serial connection rate or Wireless connection speed. It is valid only ATX above 0. Response
OK
or
Parameters
<value>
0 Wireless connection speed in integer format. 1 Serial connection rate in integer format. Such as: "115200"
NO_SAVE
-
Time
SIM7000 Series_AT Command Manual_V1.03 30 2018-05-08
Execution
Response
Parameter Saving Mode
Max Response V.25ter
TA reports one or more lines of information text which permit the user to
Parameter Saving Mode
onse
SIMCOM COMFIDENTIAL FILE
Reference V.25ter
2.2.24 AT+GCAP Request Complete TA Capabilities List

AT+GCAP Request Complete TA Capabilities List

Command
AT+GCAP
Time Reference
Note
TA reports a list of additional capabilities.
+GCAP: list of supported <name>s
OK
Parameters <name> +CGSM GSM function is supported
NO_SAVE
-
Note
2.2.25 AT+GMI Request Manufacturer Identification

AT+GMI Request Manufacturer Identification

Test Command AT+GMI=?
Execution Command
AT+GMI
Max Resp Time
Reference V.25ter
Response
OK
Parameters
identify the manufacturer.
SIMCOM_Ltd
OK
NO_SAVE
-
Note
2.2.26 AT+GMM Request TA Model Identification

AT+GMM Request TA Model Identification

SIM7000 Series_AT Command Manual_V1.03 31 2018-05-08
TA reports one or more lines of information text which permit the user to
Parameter Saving
Max Response
TA reports one or more lines of information text which permit the user to
Parameter Saving
Max Response
SIMCOM COMFIDENTIAL FILE
Test Command AT+GMM=?
Execution Command AT+GMM
Mode
Time Reference
V.25ter
2.2.27 AT+GMR Request TA Revision Identification of Software Release
Response
OK
identify the specific model of device.
<model>
OK
Parameters <model> Product model identification text
NO_SAVE
-
Note

AT+GMR Request TA Revision Identification of Software Release

Test Command AT+GMR=?
Execution Command AT+GMR
Mode
Time Reference
V.25ter
Response
OK
identify the revision of software release.
Revision: <revision>
OK
Parameters <revision> Revision of software release
NO_SAVE
-
Note
2.2.28 AT+GOI Request Global Object Identification

AT+GOI Request Global Object Identification

SIM7000 Series_AT Command Manual_V1.03 32 2018-05-08
TA reports one or more lines of information text which permit the user to identify the device, based on the ISO system for registering unique object
Parameter Saving Mode
Max Response
TA reports the IMEI (international mobile equipment identifier) n umber in
telephone(International Mobile station Equipment
Parameter Saving
Max Response
SIMCOM COMFIDENTIAL FILE
Test Command AT+GOI=?
Execution Command AT+GOI
Time Reference
V.25ter
Response
OK
Response
identifiers.
<Object Id>
OK
Parameters <Object Id> Identifier of device type
see X.208, 209 for the format of <Object Id>
NO_SAVE
-
Note
2.2.29 AT+GSN Request TA Serial Number Identification (IMEI)

AT+GSN Request TA Serial Number Identification(IMEI)

Test Command AT+GSN=?
Execution Command AT+GSN
Mode
Time
Response
OK
Response
information text which permit the user to identify the individual ME device.
<sn>
OK
Parameters <sn> IMEI of the Identity)
NO_SAVE
-
Reference V.25ter
SIM7000 Series_AT Command Manual_V1.03 33 2018-05-08
Note The serial number (IMEI) is varied by individual ME device.
OK
Parameters
OK
Parameters
This parameter setting determines the serial interface character framing
3 space (0)
Parameter Saving
Max Response
field specifies no parity and
string "+ICF: <format>,255" will be response to "AT+ICF?" Command.

AT+IFC Set TE-TA Local Data Flow Control

SIMCOM COMFIDENTIAL FILE
2.2.30 AT+ICF Set TE-TA Control Character Framing

AT+ICF Set TE-TA Control Character Framing

Test Command
AT+ICF=?
Read Command
AT+ICF?
Write Command
AT+ICF=<forma t>[,<parity>]
Response +ICF: (list of supported <format>s),(list of supported <parity>s)
See Write Command Response
+ICF: <format>,<parity>
See Write Command Response
format and parity received by TA from TE.
OK Parameters
<format> 1 8 data 0 parity 2 stop 2 8 data 1 parity 1 stop 3 8 data 0 parity 1 stop 4 7 data 0 parity 2 stop 5 7 data 1 parity 1 stop 6 7 data 0 parity 1 stop <parity> 0 odd 1 even
-
Mode
-
Time Reference
V.25ter
2.2.31 AT+IFC Set TE-TA Local Data Flow Control
SIM7000 Series_AT Command Manual_V1.03 34 2018-05-08
Note The Command is applied for Command state; In <format> parameter, "0 parity" means no parity; The <parity> field is igno red if the <format>
list of supported
Read Command
Response
See Write Command
This parameter setting determines the data flow control on the serial
he method will be used by TE at receive of
pecifies the method will be used by TA at receive of data
Parameter Saving
Max Response Time
list of supported
SIMCOM COMFIDENTIAL FILE
Test Command
AT+IFC=?
AT+IFC?
Write Command
AT+IFC=<dce_b y_dte>[,<dte_by _dce>]
Response
+IFC: (list of supported <dce_by_dte>s),( <dte_by_dce>s)
OK
Parameters See Write Command
+IFC: <dce_by_dte>,<dte_by_dce>
OK
Parameters
Response
interface for data mode. OK
Parameters <dce_by_dte> Specifies t data from TA 0 No flow control 1 Software flow control
2 Hardware flow control
<dte_by_dce> S from TE 0 No flow control 1 Software flow control 2 Hardware flow control
-
Mode
-
Reference V.25ter
2.2.32 AT+IPR Set TE-TA Fixed Local Rate

AT+IPR Set TE-TA Fixed Local Rate

Test Command
AT+IPR=?
SIM7000 Series_AT Command Manual_V1.03 35 2018-05-08
Note
Response +IPR: (list of supported auto detectable <rate>s),( fixed-only <rate>s)
OK
termines the data rate of the TA on the serial
interface. The rate of Command takes effect following the issuance of any
OK
Parameter Saving
Max Response V.25ter
SIMCOM COMFIDENTIAL FILE
Parameters See Write Command
Read Command
AT+IPR?
Write Command
AT+IPR=<rate>
Response
+IPR: <rate>
OK
Parameters See Write Command
Response This parameter setting de
result code associated with the current Command line.
Parameters <rate> Baud rate per second 0 300
600
1200 2400 4800 9600 19200 38400 57600 115200 230400
921600
2000000
2900000
3000000
3200000
3686400
4000000 AUTO_SAVE
Mode
-
Time Reference
SIM7000 Series_AT Command Manual_V1.03 36 2018-05-08
Note
AT+CGMI
Request manufacturer identification
AT+CGMM
Request model identification
AT+CLCK
Facility lock
AT+CMEE
Report mobile equipment error
AT+CREG
Network registration
AT+CSQ
Signal quality report
AT+CSIM
Generic SIM access
AT+CBC
Battery charge
SIMCOM COMFIDENTIAL FILE

3 AT Commands Accor ding to 3GPP TS 27.007

3.1 Overview of AT Command According to 3GPP TS 27.007
Command Description
AT+CGMR Request TA revision identification of software release AT+CGSN Request product serial number identification (identical with +GSN) AT+CSCS Select TE character set AT+CIMI Request international mobile subscriber identity
AT+COPS Operator selection AT+CPAS Phone activity status AT+CPIN Enter PIN AT+CPWD Change password AT+CRC Set cellular result codes for incoming call indication
AT+CRSM Restricted SIM access
AT+CPOL Preferred operator list AT+COPN Read operator names AT+CFUN Set phone functionality AT+CCLK Clock
AT+CUSD Unstructured supplementary service data AT+CNUM Subscriber Number
3.2 Detailed Descriptions of AT Command According to 3GPP TS 27.007
3.2.1 AT+CGMI Request Manufacturer Identification

AT+CGMI Request Manufacturer Identification

Test Command
AT+CGMI=?
Execution Response
SIM7000 Series_AT Command Manual_V1.03 37 2018-05-08
Response
OK
OK
Parameter Saving
Max Response
Parameter Saving
Max Response
SIMCOM COMFIDENTIAL FILE
Command
AT+CGMI
Mode
Time Reference
3GPP TS 27.007 [13]
3.2.2 AT+CGMM Request Model Identification

AT+CGMM Request Model Identification

Test Command
AT+CGMM=?
TA returns manufacturer identification text.
<manufacturer>
Parameters <manufacturer> The ID of manufacturer
NO_SAVE
-
Note
Response
OK
Execution Command
AT+CGMM
Mode
Time Reference
3GPP TS 27.007 [13]
3.2.3 AT+CGMR Request TA Revision Identification of Software Release

A T+CGMR Request TA Revision Identification of Software Release

Test Command
AT+CGMR=?
Response TA returns product model identification text.
<model>
OK
Parameters <model> Product model identification text
NO_SAVE
-
Note
Response
OK
Execution Command
AT+CGMR
SIM7000 Series_AT Command Manual_V1.03 38 2018-05-08
Response TA returns product software version identification text.
Revision: <revision>
OK
Parameter Saving
Mode
Max Response
-
Test Command
Response <sn> International mobile equipment identity (IMEI)
Parameter Saving
Max Response OK
Parameters
(ISO/IEC10646); UCS2 character strings are converted to hexadecimal numbers from 0000 to FFFF; e.g.
SIMCOM COMFIDENTIAL FILE
Time
Parameters <revision> Product software version identification text
NO_SAVE
Reference 3GPP TS 27.007 [13]

3.2.4 AT+CGSN Request Product Serial Number Identification

AT+CGSN Request Product Serial Number Identification (Identical with +GSN)
AT+CGSN=?
Execution Command
AT+CGSN
Mode
Time
Note
OK
Response see +GSN
<sn>
OK
Parameters
NO_SAVE
-
Reference 3GPP TS 27.007 [13]
3.2.5 AT+CSCS Select TE Character Set

A T+CSCS Select TE Character Set

Test Command
AT+CSCS=?
SIM7000 Series_AT Command Manual_V1.03 39 2018-05-08
Note
Response
+CSCS: (list of supported <chset>s)
<chset> "GSM" GSM 7 bit default alphabet (3GPP TS 23.038);
"UCS2" 16-bit universa l multiple-octet coded character set
"IRA" International reference alphabet (ITU-T T.50)
Parameter Saving
Max Response Time
[13]

AT+CIMI Request International Mobile Subscriber Identity

AT+CIMI=?
OK
Execution
Response
+CME ERROR: <e r r>
double quotes)
Parameter Saving
SIMCOM COMFIDENTIAL FILE
"004100620063" equals three 16-bit characters with decimal values 65, 98 and 99
Read Command
AT+CSCS?
Write Command
AT+CSCS=<chse t>
Mode
Response
+CSCS: <chset>
OK
Parameters See Test Command
Response Sets which character set <chset> are used by the TE. The TA can then convert character strings correctly between the TE and ME character sets.
OK
If error is related to ME functionality: +CME ERROR: <e r r>
Parameters See Test Command
-
Reference 3GPP TS 27.007
3.2.6 AT+CIMI Request International Mobile Subscriber Identity
Test Command
Command
AT+CIMI
Note
Response
TA returns <IMSI>for identifying the individual S IM whic h is a ttac hed to ME.
<IMSI>
OK
If error is related to ME functionality:
Parameters <IMSI> International Mobile Subscriber Identity (string without
NO_SAVE
Mode
SIM7000 Series_AT Command Manual_V1.03 40 2018-05-08
See Write Command
te a ME or a network
>. Password is normally needed to do such actions. When
>=2) the response line for
>=0) should be returned only if service is not
+CME ERROR: <err>
SIMCOM COMFIDENTIAL FILE
Max Response Time
Reference 3GPP TS 27.007 [13]
3.2.7 AT+CLCK Facility Lock

AT+CLCK Facility Lock

Test Command
AT+CLCK=?
Write Command
AT+CLCK=<fac> ,<mode>[,<passw d>[,<class>]]
20s
Note
Response
+CLCK: (list of supported <fac>s)
OK
Parameters
Response This Command is used to lock, unlock or interroga facility <fac querying the status of a network service (<mode ‘not active’ case (<status active for any <class>.
If <mode>≠2 and Command is successful
OK If <mode>=2 and Command is successful +CLCK: <status>[,<class1>[<CR><LF>+CLCK: <status>,<class2>[…]]
OK
If error is related to ME functionality:
Parameters
<fac> "AB" All Barring services(only for <mode>=0)
SIM7000 Series_AT Command Manual_V1.03 41 2018-05-08
"AC" All inComing barring services(only for <mode>=0)
"AI" BAIC (Barr All Incoming Calls) "AO" BAOC (Barr All Outgoing Calls)
"AG" All outGoing barring services(only for <mode>=0)
"IR" BIC-Roam (Barr Incoming Calls when Roaming
outside the home country)
"OI" BOIC (Barr Outgoing International Calls)
"OX" BOIC-exHC (Barr Outgoing International Calls except
to Home Country)
1 Active
Parameter Saving
Max Response
Reference
[14]
Note
OK
SIMCOM COMFIDENTIAL FILE
"SC" SIM (lock SIM/UICC card) (SIM/UICC asks password
in MT power-up and when this lock command issued) Correspond to PIN1 code.
"FD" SIM card or active application in the UICC (GSM or
USIM) fixed dialling memory feature (if PIN2 authentication has not been done during the current session, PIN2 is required as <passwd>)
"PN" Network Personalization, Correspond to NCK code
"PU" Network subset Personalizat ion Correspond to NSCK
code
"PP" Service Provider Personalization Correspond to SPCK
code
<mode> 0 unlock 1 lock 2 query status <passwd> String type (Shall be the same as password specified for the facility from the MT user interface or with command Change Password +CPWD) <class> 1-255
1 Voice (telephony) 2 Data refers to all bearer services; with <mode>=2 this may refer only to some bearer service if TA does not support values 16, 32, 64 and 128) 4 Fax 7 All classes <status> 0 Not active
(facsimile services)
NO_SAVE
Mode
15s
Time
3GPP TS 27.007
3.2.8 AT+CMEE Report Mobile Equipment Error

AT+CMEE Report Mobile Equipment Error

Test Command
AT+CMEE=?
CME errors if SIM not inserted or PIN is not entered.
Response +CMEE: (list of supported <n>s)
Parameters See Write Command
SIM7000 Series_AT Command Manual_V1.03 42 2018-05-08
OK
+CME ERROR: <err>
Parameter Saving Mode
Max Response
Test Command
Response TA returns a list of quadruplets, each representing an operator present in
empty field. The list of operators shall be in order: home network,
+CME ERROR: <e r r>
SIMCOM COMFIDENTIAL FILE
Read Command
AT+CMEE?
Write Command
AT+CMEE=[<n> ]
Response
+CMEE: <n>
Parameters See Write Command
Response TA disables or enables the use of result code +CME ERROR: <err> as an indication of an error relating to the functionality of the ME.
OK
If error is related to ME functionality:
Parameters <n> 0 Disable +CME ERROR: <err> result code and use ERROR instead.
1 Enable +CME ERROR: <err> result code and use numeric <err>
2 Enable +CME ERROR: <err> result code and use
verbose <err> values
-
Time Reference
3GPP TS 27.007 [13]
3.2.9 AT+COPS Operator Selection

AT+COPS Operator Selection

AT+COPS=?
Note
the network. Any of the formats may be unavailable and should then be an
networks referenced in SIM, and other networks.
+COPS: (list of supported<stat>,long alphanumeric<oper>,short alphanumeric<oper>,numeric <oper>,<netact>)s[,,(list of supported
<mode>s),(list of supported <format>s)]
OK
If error is related to ME functionality:
SIM7000 Series_AT Command Manual_V1.03 43 2018-05-08
TA returns the current mode and the currently selected operator. If no
See Write Command
select and register the GSM network operator. If
the selected operator is not available, no other operator shall be selected
>=4). The selected operator name format shall apply to
SIMCOM COMFIDENTIAL FILE
Parameters See Write Command
Read Command
AT+COPS?
Write Command
AT+COPS=<mo de>,[<format>[,< oper>]]
Response
operator is selected,<format> and <oper> are omitted.
+COPS: <mode>[,<format>,<oper>,<netact>]
OK
If error is related to ME functionality:
+CME ERROR: <e r r>
Parameters
Response TA forces an attempt to
(except <mode further read commands (AT+COPS?).
OK
If error is related to ME functionality:
+CME ERROR: <e r r>
Parameters <stat> 0 Unknown 1 Operator available 2 Operator current 3 Operator forbidden
<oper>
<mode> 0 Automatic mode; <oper> field is ignored
1 Manual (<oper> field shall be present, and <AcT>
2 manual deregister from network 3 set only <format> (for read Command +COPS?) - not
manual selection fails, automatic mode (<mode>=0) is
<format> 0 Long format alphanumeric <oper> 1 Short format alphanumeric <oper> 2 Numeric <oper>; GSM Location Area Identification number <netact> 0 User-specified GSM access technology 7 User-specified LTE M1 A GB access technology
Refer to [27.007]
operator in format as per <format>
shown in Read Command response
4 Manual/automatic (<oper> field shall be present); if
optionally)
entered
SIM7000 Series_AT Command Manual_V1.03 44 2018-05-08
9 User-specified LTE NB S1 access technology
Parameter Saving
Mode
Max Response
Reference
[14]
Note
OK
+CME ERROR: <e r r>
Parameters
a call is in progress)
Parameter Saving
Max Response
SIMCOM COMFIDENTIAL FILE
Time
AUTO_SAVE
Test command: 45 seconds Write command: 120 seconds
3GPP TS 27.007
3.2.10 AT+CPAS Phone Activity Status

A T+CP AS Phone Activity Status

Test Command
AT+CPAS=?
Execution Command
AT+CPAS
Response +CPAS: (list of supported <pas>s)
Parameters See Execution Command
Response TA returns the activity status of ME.
+CPAS: <pas>
OK
If error is related to ME functionality:
<pas> 0 Ready (MT allows commands from TA/TE)
NO_SAVE
Mode
-
Time Reference
3GPP TS 27.007 [13]
3.2.11 AT+CPIN Enter PIN

AT+CPIN Enter PIN

Test Command Response
Note
3 Ringing (MT is ready for commands from TA/TE, but the
4 Call in progress (MT is ready for commands from TA/TE,
SIM7000 Series_AT Command Manual_V1.03 45 2018-05-08
AT+CPIN=?
OK
n alphanumeric string indicating whether some password is
OK
Parameters
PIN2, e.g. for editing the FDN book possible only
if preceding Command was acknowledged with +CME
only if preceding Command was
TA stores a password which is necessary before it can be operated (SIM
or SIM PUK2, the second pin is required.
quired is SIM PUK or SIMPUK2:
new password
Parameter Saving
Max Response
Reference
[13]
Note
Test Command
Response
SIMCOM COMFIDENTIAL FILE
Read Command
AT+CPIN?
Write Command
AT+CPIN=<pin>[ ,<new pin>]
Response TA returns a required or not.
+CPIN: <code>
<code>
READY MT is not pending for any password SIM PIN MT is waiting SIM PIN to be given SIM PUK MT is waiting for SIM PUK to be given PH_SIM PIN ME is waiting for phone to SIM card (antitheft) PH_SIM PUK ME is waiting for SIM PUK (antitheft)
SIM PIN2
ERROR:17
SIM PUK2 Possible
acknowledged with error +CME ERROR: 18. Response
PIN, SIM PUK, PH-SIM PIN, etc.). If the PIN required is SIM PUK This second pin,<new pin>, is used to replace the old pin in the SIM.
OK
If error is related to ME functionality: +CME ERROR: <err>
Parameters
<pin> String type; password <new pin> String type; If the PIN re
NO_SAVE
Mode
5s
Time
3GPP TS 27.007
3.2.12 AT+CPWD Change Password

AT+CPWD Change Passwor d

SIM7000 Series_AT Command Manual_V1.03 46 2018-05-08
t the available facilities and the
"AG"
All outGoing barring services(only for <mode>=0)
"AO"
BAOC (Barr All Outgoing Calls)
"OI"
BOIC (Barr Outgoing International Calls)
except to Home Country)
new password
Parameter Saving
Max Response
Reference
Note
SIMCOM COMFIDENTIAL FILE
AT+CPWD=?
Write Command
AT+CPWD=<fac >,<oldpwd>,<new pwd>
TA returns a list of pairs which presen maximum length of their password.
+CPWD: (list of supported <fac>s, list of supported <pwdlength>s)
OK
Parameters
<fac> See Write Command <pwdlength> Integer max. length of password
Response TA sets a new password for the facility lock function. OK
Parameters <fac>
"AB" All Barring services "AC" All inComing barring services(only for <mode>=0)
"AI" BAIC (Barr All Incoming Calls)
"IR" BIC-Roam (Barr Incoming Calls when Roaming
outside the home country)
Mode
Time
3GPP TS 27.007 [13]
"OX" BOIC-exHC (Barr Outgoing International Calls
"SC" SIM (lock SIM/UICC card) (SIM/UICC asks
password in MT power-up and when this lock command issued) Correspond to PIN1 code.
"P2" SIM PIN2
<oldpwd> String type (string should be included in quotation marks): password specified for the facility from the user interface or with command. If an old password has not yet been set,<oldpwd> is not to enter. <newpwd> String type (string should be included in quotation marks):
NO_SAVE
15s
SIM7000 Series_AT Command Manual_V1.03 47 2018-05-08
OK
OK
TA controls whether or not the extended format of incoming call
Parameters
Parameter Saving
Max Response
SIMCOM COMFIDENTIAL FILE
3.2.13 AT+CRC Set Cellular Result Codes for Incoming Call Indication

AT+CRC Set Cellular Result Codes for Incoming Call Indication

Test Command
AT+CRC=?
Read Command
AT+CRC?
Write Command
AT+CRC=[<mod e>]
Response +CRC: (list of supported <mode>s)
Parameters See Write Command
Response
+CRC: <mode>
Parameters See Write Command
Response
indication is used. OK
Parameters <mode> 0 Disable extended format
1 Enable extended format
Omitted Use previous value
Mode
Time Reference
3GPP TS 27.007 [13]
Unsolicited Result Code When enabled, an incoming call is indicated to the TE with unsolicited result code +CRING: <type> instead of the normal RING.
<type> ASYNC Asynchronous transparent SYNC Synchronous transparent REL ASYNC Asynchronous non-transparent REL SYNC Synchronous non-transparent FAX Facsimile VOICE Voice
NO_SAVE
-
Note
SIM7000 Series_AT Command Manual_V1.03 48 2018-05-08
OK
her the network has currently indicated the registration
> are returned
2 is only for 7000 series module
ot registered, but MT is currently searching a new
(string should be included in quotation marks);
(string should be included in quotation marks);
SIMCOM COMFIDENTIAL FILE
3.2.14 AT+CREG Network Registration

AT+CREG Network Registration

Test Command
AT+CREG=?
Read Command
AT+CREG?
Write Command
AT+CREG[=<n> ]
Response +CREG: (list of supported <n>s)
Parameters See Write Command
Response TA returns the status of result code presentation and an integer <stat> which shows whet of the ME. Location information elements <lac> and <ci only when <n>=2 and ME is registered in the network.
+CREG: <n>,<stat>[,<lac>,<ci>,<netact>]
OK
If error is related to ME functionality:
+CME ERROR: <e r r>
Response TA controls the presentation of an unsolicited result code +CREG: <stat> when <n>=1 and there is a change in the ME network registration status. OK
Parameters <n> 0 Disable network registration unsolicited result code
1 Enable network registration unsolicited result code
+CREG: <stat>
2 Enable network registration unsolicited result code with
location information( which support GPRS.)
CREG: <stat>[,<lac>,<ci>,<netact>]
<stat> 0 Not registered, MT is not currently searching a new
operator to register to
1 Registered, home network
3 Registration denied 4 Unknown 5 Registered, roaming
<lac> String type
<ci> String type
2 N
operator to register to
two byte location area code in hexadecimal format
two byte cell ID in hexadecimal format
SIM7000 Series_AT Command Manual_V1.03 49 2018-05-08
<netact> 0 User-specified GSM access technology
+CREG: <stat>[,<lac>,<ci>,<netact>]
Parameters
Parameter Saving
Mode
Max Response
AT+CRSM=?
OK
SIMCOM COMFIDENTIAL FILE
Time
Unsolicited Result Code If <n>=1 and there is a change in the MT network registration status +CREG: <stat> If <n>=2 and there is a change in the MT network registration status or a change of the network cell:
See Write Command
-
-
Reference 3GPP TS 27.007 [13]
3.2.15 AT+CRSM Restricted SIM Access

AT+CRSM Restricted SIM Access

Test Command
Write Command
AT+CRSM=<Co mmand>[,<fileId >[,<P1>,<P2>,<P 3>[,<data>]]]
Note
Response
Response
+CRSM: <sw1>,<sw2>[,<response>]
OK ERROR
If error is related to ME functionality: +CME ERROR: <e r r>
Parameters
<Command>
176 READ BINARY 178 READ RECORD 192 GET RESPONSE 214 UPDATE BINARY 220 UPDATE RECORD 242 STATUS All other values are reserved; refer GSM 11.11.
<fileId> Integer type; this is the identifier for an elementary data file on SIM. Mandatory for every Command except STATUS <P1>,<P2>,<P3> Integer type, range 0 – 255
Parameters to be passed on by the ME to the SIM; refer GSM
11.11.
SIM7000 Series_AT Command Manual_V1.03 50 2018-05-08
Parameter Saving
Mode
Max Response OK
SIMCOM COMFIDENTIAL FILE
Time
<data> Information which shall be written to the SIM (hex-decimal
character format) <sw1>,<sw2> Integer type, range 0 - 255
Status information from the SIM about the execution of the actual Command. These parameters are delivered to the TE in both cases, on successful or failed execution of the Command; refer GSM 11.11.
<response> Response of a successful completion of the Command
previously issued (hexadecimal character format)
NO_SAVE
-
Reference 3GPP TS 27.007 GSM 11.11
3.2.16 AT+CSQ Signal Quality Report

A T+CSQ Signal Quality Report

Test Command
AT+CSQ=?
Execution Command
AT+CSQ
Note
Response +CSQ: (list of supported <rssi>s),(list of supported <ber>s)
Response
+CSQ: <rssi>,<ber>
OK
If error is related to ME functionality:
+CME ERROR: <e r r>
Execution Command returns received signal strength indication <rssi> and channel bit error rate <ber> from the ME. Test Command returns values supported by the TA.
Parameters
<rssi>
0 -115 dBm or less 1 -111 dBm
2...30 -110... -54 dBm 31 -52 dBm or greater 99 not known or not detectable
<ber> (in percent):
0...7 As RXQUAL values in the table in GSM 05.08 [20] subclause 7.2.4
SIM7000 Series_AT Command Manual_V1.03 51 2018-05-08
99 Not known or not detectable
Parameter Saving
Mode
Max Response
Reference
[13]
Note
OK
SIMCOM COMFIDENTIAL FILE
Time
NO_SAVE
-
3GPP TS 27.007
3.2.17 AT+CPOL Preferred Operator List

AT+CPOL Preferred Operator List

Test Command
AT+CPOL=?
Read Command
AT+CPOL?
Response +CPOL: (list of supported <index>s),(list of supported <format>s)
Parameters See Write Command
Response
+CPOL: <index1>,<format>,<oper1>[,<GSM>,<GSM_compact>,<UTRAN>,< E-UTRAN>][<CR><LF>+CPOL: <index2>,<format>,<oper2>[,<GSM,<GSM_compact>,<UTRAN>,<E
-UTRAN>][…]]
OK
If error is related to ME functionality: +CME ERROR: <e r r> Parameters
See Write Command
Write Command
AT+CPOL=<ind ex>[,<format>[,< oper>[<GSM>,< GSM_compact>, <UTRAN>,<E-U TRAN>]]]
SIM7000 Series_AT Command Manual_V1.03 52 2018-05-08
Response
OK
If error is related to ME functionality:
+CME ERROR: <e r r>
Parameters <index> Integer type: order number of operator in SIM preferred operator list <format> Indicates whether alphanumeric or numeric format used (see +COPS Command)
0 Long format alphanumeric <oper> 1 Short format alphanumeric <oper> 2 Numeric <oper> <oper> String type(string should be included in quotation marks)
Parameter Saving Mode
Max Response
Time
(string should be included in quotation marks):
Parameter Saving
Max Response
SIMCOM COMFIDENTIAL FILE
<GSM> GSM access technology
0 Access technology is not selected 1 Access technology is selected <GSM_compact> GSM compact access technology 0 Access technology is not selected 1 Access technology is selected <UTRAN> UTRAN access technology 0 Access technology is not selected 1 Access technology is selected <E-UTRAN> E-UTRAN access technology 0 Access technology is not selected 1 Access technology is selected
-
-
Reference 3GPP TS 27.007 [13]
3.2.18 AT+COPN Read Operator Names

AT+COPN Read Operator Names

Test Command
AT+COPN=?
Execution Command
AT+COPN
Note
Response
OK
Response
+COPN: <numeric1>,<alpha1> [<CR><LF>+COPN: <numeric2>,<alpha2> […]]
OK
If error is related to ME functionality:
+CME ERROR: <er r>
Parameters <numericn> String type (string should be included in quotation marks): operator in numeric format (see +COPS) <alphan> String type operator in long alphanumeric format (see +COPS)
NO_SAVE
Mode
-
Time Reference Note
SIM7000 Series_AT Command Manual_V1.03 53 2018-05-08
+CME ERROR: <e r r>
Parameters
Reset the MT before setting it to <fun> power level.
Parameter Saving
Max Response Time
SIMCOM COMFIDENTIAL FILE
3GPP TS 27.007 [13]
3.2.19 AT+CFUN Set Phone Functionality

AT+CFUN Set Phone Functionality

Test Command
AT+CFUN=?
Read Command
AT+CFUN?
Response
+CFUN: (list of supported <fun>s),(list of supported <rst>s)
OK
If error is related to ME functionality:
See Write Command Response
+CFUN: <fun>
OK
If error is related to ME functionality: +CME ERROR: <err>
Write Command
AT+CFUN=<fun >[,<rst>]
Mode
Parameters See Write Command
Response
OK
If error is related to ME functionality:
+CME ERROR: <e rr >
Parameters <fun>
0 Minimum functionality 1 Full functionality (Default) 4 Disable phone both transmit and receive RF circuits. 5 Factory Test Mode 6 Reset 7 Offline Mode
<rst> 0 Do not
1
-
Reset the MT before setting it to <fun> power level.
10s
Reference Note
SIM7000 Series_AT Command Manual_V1.03 54 2018-05-08
will be returned after module resets if baud
rate is set to fixed baud rate.

AT+CCLK Clock

See Write Command
GMT+2 hours equals to "
".
Max Response Time
[13]

AT+CSIM Generic SIM Access

SIMCOM COMFIDENTIAL FILE
3GPP TS 27.007 [13]
3.2.20 AT+CCLK Clock
Test Command
AT+CCLK=?
Read Command
AT+CCLK?
The <fun> power level will be written to flash except minimum
functionality.
AT+CFUN=1,1 can be used to reset module purposely at
minimum/full functionality mode.
Response string "OK"
Response
OK
Response
+CCLK: <time>
OK
If error is related to ME functionality: +CME ERROR: <e r r>
Write Command
AT+CCLK=<tim e>
Parameter Saving Mode
Reference 3GPP TS 27.007
Parameters
Response
OK
If error is related to ME functionality:
+CME ERROR: <e r r>
Parameters <time> String type(string should be included in quotation marks) value; format is "yy/MM/dd,hh:mm:ss±zz", where characters indicate year (two last digits),month, day, hour, minutes, seconds and time zone (indicates the difference, expressed in quarters of an hour, between the local time and GMT; range -47...+48). E.g. 6th of May 2010, 00:01:52
10/05/06,00:01:52+08
AUTO_SAVE
-
Note Only time zone is auto saved.
3.2.21 AT+CSIM Generic SIM Access
SIM7000 Series_AT Command Manual_V1.03 55 2018-05-08
marks): hex format: GSM 11.11 response from SIM to <Command>.
Parameter Saving
Max Response
Reference
[13]
Note
OK
SIMCOM COMFIDENTIAL FILE
Test Command
AT+CSIM=?
Write Command
AT+CSIM=<leng th>,<Command>
Response
OK
Response
+CSIM: <length>,<response>
OK
If error is related to ME functionality:
+CME ERROR: <e r r>
Parameters <length> Integer type: length of characters sent to the TE in <Command> or <response> (i.e. twice the number of octets in the raw data). <Command> String type (string should be included in quotation marks): hex format: GSM 11.11 SIM Command sent from the ME to the SIM. <response> String type(string should be included in quotation
NO_SAVE
Mode
-
Time
3GPP TS 27.007
3.2.22 AT+CBC Battery Charge

A T+ C BC Battery Charge

Test Command
AT+CBC=?
Execution Command
AT+CBC
Response +CBC: (list of supported <bcs>s),(list of supported <bcl>s),(<voltage>)
Parameters See Execution Command
Response
+CBC: <bcs>,<bcl>,<voltage>
OK
If error is related to ME functionality: +CME ERROR: <e r r> Parameters
SIM7000 Series_AT Command Manual_V1.03 56 2018-05-08
Parameter Saving
Mode
Max Response Time

AT+CUSD Unstructured Supplementary Service Data

SIMCOM COMFIDENTIAL FILE
<bcs> Charge status
0 ME is not charging 1 ME is charging 2 Charging has finished
<bcl> Battery connection level
1...100 battery has 1-100 percent of capacity remaining vent <voltage> Battery voltage(mV)
NO_SAVE
-
Reference 3GPP TS 27.007 [13]
3.2.23 AT+CUSD Unstructured Supplementary Service Data
Test Command
AT+CUSD=?
Read Command
AT+CUSD?
Note
Response
+CUSD: (list of supported <n>s)
OK
Parameters See Write Command
Response
+CUSD: <n>
OK
Parameters See Write Command
Write Command
AT+CUSD=<n>, <str>,<dcs>
SIM7000 Series_AT Command Manual_V1.03 57 2018-05-08
Response
OK
If error is related to ME functionality: +CME ERROR: <err>
Parameters <n> A numeric parameter which indicates control of the unstructured supplementary service data
0 disable the result code presentation in the TE
1 enable the result code presentation in the TE 2 cancel session (not applicable to read Command response)
<str> String type (string should be included in quotation marks) USSD-string
Parameter Saving Mode
Max Response
Time
GSM 03.38 [25]
When ussd is not suport or return error,TE will print +CUSD:4.
AT+CNUM=?
OK
Execution
Response
subclause 10.5.4.7)
Parameter Saving
NO_SAVE
Max Response
SIMCOM COMFIDENTIAL FILE
<dcs> Cell Broadcast Data Coding Scheme in integer format
(default 0)
NO_SAVE
-
Reference
3.2.24 AT+CNUM Subscriber Number

AT+CNUM Subscriber Number

Test Command
Command
AT+CNUM
Note
Response
+CNUM: "",<number1>,<type1>
OK
If error is related to ME functionality: +CME ERROR: <e r r>
Parameters <numberx> String type (string should be included in quotation marks) phone number of format specified by <typex> <typex> Type of address octet in integer format (refer GSM04.08[8]
Mode
Time Reference
3GPP TS 27.007 [13]
-
Note
SIM7000 Series_AT Command Manual_V1.03 58 2018-05-08
AT+CMGF
Select SMS message format
AT+CMGR
Read SMS message
AT+CPMS
Preferred SMS message storage
AT+CRES
Restore SMS settings
AT+CSMS
Select message service
> location
SIMCOM COMFIDENTIAL FILE

4 AT Commands According to 3GPP TS 27.005

The 3GPP TS 27.005 commands are for performing SMS and CBS related operations. SIM7000 Series supports both Text and PDU modes.
4.1 Overview of AT Commands According to 3GPP TS 27.005
Command Description
AT+CMGD Delete SMS message
AT+CMGL List SMS messages from preferred store
AT+CMGS Send SMS message AT+CMGW Write SMS message to memory AT+CMSS Send SMS message from storage AT+CNMI New SMS message indications
AT+CSAS Save SMS settings AT+CSCA SMS service center address AT+CSDH Show SMS text mode parameters AT+CSMP Set SMS text mode parameters
4.2 Detailed Descriptions of AT Commands According to 3GPP TS 27.005
4.2.1 AT+CMGD Delete SMS Message

A T+ CMG D Delete SMS Message

Test Command
AT+CMGD=?
Response
+CMGD: (list of supported <index>s),(list of supported <delflag>s)
OK
Parameters See Write Command
Write Command
AT+CMGD=<in
SIM7000 Series_AT Command Manual_V1.03 59 2018-05-08
Response TA deletes message from preferred message storage <mem1
Parameter Saving
Max Response
SIMCOM COMFIDENTIAL FILE
dex>[,<delflag>]
<index>. OK ERROR
If error is related to ME functionality:
+CMS ERROR: <err>
Parameters <index> Integer type; value in the range of location numbers supported by the associated memory <delflag> 0 Delete the message specified in <index>
1 Delete all read messages from preferred message storage,
leaving unread messages and stored mobile originated messages (whether sent or not) untouched
2 Delete all read messages from preferred message storage
and sent mobile originated messages, leaving unread messages and unsent mobile originated messages untouched
3 Delete all read messages from preferred message storage,
sent and unsent mobile originated messages leaving unread messages untouched
4 Delete all messages from preferred message storage
including unread messages
NO_SAVE
Mode
5s（delete 1 message）
Time
Reference 3GPP TS 27.005
4.2.2 AT+CMGF Select SMS Message Format

A T+ CMG F Select SMS Message Format

Test Command
AT+CMGF=?
Read Command
AT+CMGF?
25s（delete 50 messages） 25s（delete 150 messages）
Note
Response
+CMGF: (list of supported <mode>s)
OK
Parameter See Write Command
Response
+CMGF: <mode>
OK
Parameter
SIM7000 Series_AT Command Manual_V1.03 60 2018-05-08
See Write Command
ote which input and output format of messages to
Parameter Saving
Max Response 3GPP TS 27.005

AT+CMGL List SMS Messages from Preferred Store

OK
1 Not change status of the specified SMS record
> from message storage
SIMCOM COMFIDENTIAL FILE
Write Command
AT+CMGF=[<m ode>]
Mode
Time Reference
4.2.3 AT+CMGL List SMS Messages from Preferred Store
Test Command
AT+CMGL=?
Response TA sets parameter to den use.
OK
Parameter <mode> 0 PDU mode
1 Text mode
-
-
Note
Response +CMGL: (list of supported <stat>s)
Write Command
AT+CMGL=<sta t>[,<mode>]
Parameter See Write Command
Parameters
1) If text mode: <stat> "REC UNREAD" Received unread messages "REC READ" Received read messages "STO UNSENT" Stored unsent messages "STO SENT" Stored sent messages "ALL" All messages <mode> 0 Normal 1 Not change status of the specified SMS record
2) If PDU mode: <stat> 0 Received unread messages 1 Received read messages 2 Stored unsent messages 3 Stored sent messages 4 All messages
<mode> 0 Normal
Response TA returns messages with status value <stat
SIM7000 Series_AT Command Manual_V1.03 61 2018-05-08
> to the TE. If status of the message is 'received unread', status in
selected with Command Select
string format; BCD numbers (or GSM default alphabet characters) are
SIMCOM COMFIDENTIAL FILE
<mem1 the storage changes to 'received read'.
1) If text mode (+CMGF=1) and Command successful: for SMS-SUBMITs and/or SMS-DELIVERs:
+CMGL: <index>,<stat>,<oa/da>[,<alpha>][,<scts>] [,<tooa/toda>,<length>]<CR><LF><data> [<CR><LF>+CMGL: <index>,<stat>,<da/oa> [,<alpha>][,<scts>][,<tooa/toda>,<length>]<CR><LF><data>[...]]
for SMS-STATUS-REPORTs:
+CMGL: <index>,<stat>,<fo>,<mr>[,<ra>][,<tora>],<scts>,<dt>,<st> [<CR><LF>+CMGL: <index>,<stat>,<fo>,<mr> [,<ra>][,<tora>],<scts>,<dt>,<st>[...]]
for SMS-COMMANDs:
+CMGL: <index>,<stat>,<fo>,<ct>[<CR><LF> +CMGL: <index>,<stat>,<fo>,<ct>[...]]
for CBM storage:
+CMGL: <index>,<stat>,<sn>,<mid>,<page>,<pages> <CR><LF><data> <CR><LF>+CMGL: <index>,<stat>,<sn>,<mid>,<page>,<pages> <CR><LF><data>[...]] OK
2) If PDU mode (+CMGF=0) and Command successful: +CMGL: <index>,<stat>[,<alpha>],<length> <CR><LF><pdu><CR><LF> +CMGL: <index>,<stat>[,alpha],<length> <CR><LF><pdu>[...]] OK
3)If error is related to ME functionality: +CMS ERROR: <err>
Parameters <alpha> String type(string should be included in quotation marks) alphanumeric representation of <da> or <oa> corresponding to the entry found in MT phonebook; implementation of this feature is manufacturer specific; used character set should be the one TE Character Set +CSCS (see definition of this Command in 3GPP TS
27.007)
<da> GSM 03.40 TP-Destination-Address Address-Value field in
SIM7000 Series_AT Command Manual_V1.03 62 2018-05-08
> indicates that GSM 03.38 default alphabet is used and
nteger type; value in the range of location numbers supported
SIMCOM COMFIDENTIAL FILE
converted to characters of the currently selected TE character set (refer Command +CSCS in 3GPP TS 27.007); type of address given by <toda> <data> In the case of SMS: GSM 03.40 TP-User-Data in text mode responses; format:
- if <dcs <fo> indicates that GSM 03.40 TPUser-Data-Header-Indication is not set:
- if TE character set other than "HEX" (refer Command Select TE Character Set +CSCS in 3GPP TS 27.007):ME/TA converts
<length> Integer type value indicating in the text mode (+CMGF=1) the length of the message body <data> (or <cdata>) in characters; or in PDU mode (+CMGF=0), the length of the actual TP data unit in octets (i.e. the RP layer SMSC address octets are not counted in the length) <index> I by the associated memory <oa> GSM 03.40 TP-Originating-Address Address-Value field in string format; BCD numbers (or GSM default alphabet characters) are converted to characters of the currently selected TE character set (refer Command +CSCS in 3G PP TS 27.007); type of address given by <tooa> <pdu> In the case of SMS: GSM 04.11 SC address followed by GSM 03.40 TPDU in hexadecimal format: ME/TA converts each octet of
GSM alphabet into current TE character set according to rules of Annex A
- if TE character set is "HEX": ME/TA converts each 7-bit character of GSM alphabet into two IRA character long hexadecimal number (e.g. character P (GSM 23) is presented as 17 (IRA 49 and 55))
- if <dcs> indicates that 8-bit or UCS2 data coding scheme is used, or <fo> indicates that GSM 03.40 TP-User-Data-Header-Indication is set: ME/TA converts each 8-bit octet into two IRA character long hexadecimal number (e.g. octet with integer value 42 is presented to TE as two characters 2A (IRA 50 and 65)) In the case of CBS: GSM 03.41 CBM Content of Message in text mode responses; format:
- if <dcs> indicates that GSM 03.38 default alphabet is used:
- if TE character set other than "HEX" (refer Command +CSCS in 3GPP TS 27.007): ME/TA converts GSM alphabet into current TE character set according to rules of Annex A
- if TE character set is "HEX": ME/TA converts each 7-bit character of GSM alphabet into two IRA character long hexadecimal number
- if <dcs> indicates that 8-bit or UCS2 data coding scheme is used: ME/TA converts each 8-bit octet into two IRA character long hexadecimal number
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Parameters
Parameter Saving
Max Response
> from message
> to the TE. If status of the message is 'received unread',
SIMCOM COMFIDENTIAL FILE
TP data unit into two IRA character long hexadecimal number (e.g. octet with integer value 42 is presented to TE as two characters 2A (IRA 50 and
65)). In the case of CBS: GSM 03.41 TPDU in hexadecimal format. <scts> GSM 03.40 TP-Service-Center-Time-Stamp in time-string format (refer <dt>) <toda> GSM 04.11 TP-Destination-Address Type-of-Address octet in integer format (when first character of <da> is + (IRA 43) default is 145, otherwise default is 129) <tooa> GSM 04.11 TP-Originating-Address Type-of-Address octet in integer format (default refer<toda>)
Execution Command AT+CMGL
Mode
Time Reference
3GPP TS 27.005
4.2.4 AT+CMGR Read SMS Message

AT+CMGR Read SMS Message

1) If text mode: the same as AT+CMGL="REC UN RE A D" , received unread messages
2) If PDU mode: the same as AT+CMGL=0, received unread messages
See more messages please refer to Write Command.
See Write Command NO_SAVE
20s(list 50 messages) 20s(list 150 messages)
Note
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Test Command
AT+CMGR=?
Write Command
AT+CMGR=<in dex>[,<mode>]
Response
OK
Parameters <index> Integer type; value in the range of location numbers supported by the associated memory <mode> 0 Normal 1 Not change status of the specified SMS record
Response TA returns SMS message with location value <index storage <mem1 status in the storage changes to 'received read'.
1) If text mode (+CMGF=1) and Command successful: for SMS-DELIVER:
+CMGR: <stat>,<oa>[,<alpha>],<scts>[,<tooa>,<fo>,<pid>,<dcs>
8 default alphabet is used and
used, or <fo> indicates that GSM 03.40
SIMCOM COMFIDENTIAL FILE
,<sca>,<tosca>,<length>]<CR><LF><data> for SMS-SUBMIT:
+CMGR: <stat>,<da>[,<alpha>][,<toda>,<fo>,<pid>,<dcs>[,<vp>] ,<sca>,<tosca>,<length>]<CR><LF><data>
for SMS-STATUS-REPORTs: +CMGR: <stat>,<fo>,<mr>[,<ra>][,<tora>],<scts>,<dt>,<st>
for SMS-COMMANDs:
+CMGR: <stat>,<fo>,<ct>[,<pid>[,<mn>][,<da>][,<toda>] ,<length><CR><LF><cdata>]
for CBM storage:
+CMGR: <stat>,<sn>,<mid>,<dcs>,<page>,<pages><CR><LF><data>
2) If PDU mode (+CMGF=0) and Command successful:
+CMGR: <stat>[,<alpha>],<length><CR><LF><pdu>
OK
3) If error is related to ME functionality:
+CMS ERROR: <err>
Parameters <alpha> String type (string should be included in quotation marks) alphanumeric representation of <da> or <oa> corresponding to the entry found in MT phonebook; implementation of this feature is manufacturer specific <da> GSM 03.40 TP-Destination-Address Address-Value field in string format; BCD numbers (or GSM default alphabet characters) are converted to characters of the currently selected TE character set (specified by +CSCS in 3GPP TS 27.007); type of address given by <toda> <data> In the case of SMS: GSM 03.40 TP-User-Data in text mode responses; format:
- if <dcs> indicates that GSM 03.3 <fo> indicates that GSM 03.40 TPUser-Data-Header-Indication is not set:
- if TE character set other than "HEX" (refer Command Select TE Character Set +CSCS in 3GPP TS 27.007):ME/TA converts GSM alphabet into current TE character set according to rules of Annex A
- if TE character set is "HEX": ME/TA converts each 7-bit character of GSM alphabet into two IRA character long hexadecimal number (e.g. character P (GSM 23) is presented as 17 (IRA 49 and 55))
- if <dcs> indicates that 8-bit or UCS2 data coding scheme is
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SIMCOM COMFIDENTIAL FILE
TP-User-Data-Header-Indication is set: ME/TA converts each 8-bit octet into two IRA character long hexadecimal number (e.g. octet with integer value 42 is presented to TE as two characters 2A (IRA 50 and 65)) In the case of CBS: GSM 03.41 CBM Content of Message in text mode responses; format:
- if <dcs> indicates that GSM 03.38 default alphabet is used:
- if TE character set other than "HEX" (refer Command +CSCS in 3GPP TS 27.007): ME/TA converts GSM alphabet into current TE character set according to rules of Annex A
- if TE character set is "HEX": ME/TA converts each 7-bit character of GSM alphabet into two IRA character long hexadecimal number
- if <dcs> indicates that 8-bit or UCS2 data coding scheme is used: ME/TA converts each 8-bit octet into two IRA character long hexadecimal number
<dcs> Depending on the Command or result code: GSM 03.38 SMS Data Coding Scheme (default 0), or Cell Broadcast Data Coding Scheme in integer format
<fo> Depending on the Command or result code: first octet of GSM 03.40 SMS-DELIVER, SMS-SUBMIT (default 17), SMS-STATUS-REPORT, or SMS-COMMAND (default 2) in integer format
<length> integer type value indicating in the text mode (+CMGF=1) the length of the message body <data> (or <cdata>) in characters; or in PDU mode (+CMGF=0), the length of the actual TP data unit in octets (i.e. the RP layer SMSC address octets are not counted in the length)
<mid> GSM 03.41 CBM Message Identifier in integer format <oa> GSM 03.40 TP-Originating-Address Address-Value field in
string format; BCD numbers (or GSM default alphabet characters) are converted characters of the currently selected TE character set (specified by +CSCS in 3GPP TS 27.007); type of address given by <tooa> <pdu> In the case of SMS: GSM 04.11 SC address followed by GSM 03.40 TPDU in hexadecimal format: ME/TA converts each octet of TP data unit into two IRA character long hexadecimal number (e.g. octet with integer value 42 is presented to TE as two characters 2A (IRA 50 and
65)). In the case of CBS: GSM 03.41 TPDU in hexadecimal format. <pid> GSM 03.40 TP-Protocol-Identifier in integer format
(default 0)
<sca> GSM 04.11 RP SC address Address-Value field in string format; BCD numbers (or GSM default alphabet characters) are converted to characters of the currently selected TE character set (specified by +CSCS in 3GPP TS 27.007); type of address given by <tosca> <scts> GSM 03.40 TP-Service-Centre-Time-Stamp in time-string format (refer <dt>)
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Parameter Saving
Mode
Max Response
5s
1) If text mode
<CR>text is
ESC quits without
2) If PDU mode
SIMCOM COMFIDENTIAL FILE
<stat> 0 "REC UNRE AD" Received unread messages
1 "REC READ" Received read messages 2 "STO UNSENT" Stored unsent messages 3 "STO SENT" Stored sent messages 4 "ALL" All messages <toda> GSM 04.11 TP-Destination-Address Type-of-Address octet in integer format (when first character of <da> is + (IRA 43) default is 145, otherwise default is 129) <tooa> GSM 04.11 TP-Originating-Address Type-of-Address octet in integer format (default refer<toda>) <tosca> GSM 04.11 RP SC address Type-of-Address octet in integer format (default refer <toda>) <vp> Depending on SMS-SUBMIT <fo> setting: GSM 03.40 TP-Validity-Period either in integer format (default 167) or in time-string format (refer <dt>)
NO_SAVE
Time Reference
3GPP TS 27.005
4.2.5 AT+CMGS Send SMS Message

AT+CMGS Send SMS Message

Test Command
AT+CMGS=?
Write Command
(+CMGF=1):
+CMGS=<da>[, <toda>]
entered <ctrl-Z/ESC>
sending
(+CMGF=0):
+CMGS=<length > <CR>PDU is
Note
Response OK
Parameters <da> GSM 03.40 TP-Destination-Address Address-Value field in string format(string should be included in quotation marks); BCD numbers (or GSM default alphabet characters) are converted to characters of the currently selected TE character set (specified by +CSCS in 3GPP TS
27.007); type of address given by <toda> <toda> GSM 04.11 TP-Destination-Address Type-of-Address octet in integer format (when first character of <da> is + (IRA 43) default is 145, otherwise default is 129)
<length> Integer type value (not exceed 160 bytes) indicating in the text mode (+CMGF=1) the length of the message body <data> (or <cdata>) in characters; or in PDU mode (+CMGF=0), the length of the actual TP data unit in octets (i.e. the RP layer SMSC address octets are not counted in the length)
Response TA sends message from a TE to the network (SMS-SUBMIT). Message
SIM7000 Series_AT Command Manual_V1.03 67 2018-05-08
+CMS ERROR: <err>
Parameter Saving
Max Response
SUBMIT)
> of the
age is returned. By default message status will be set to 'stored
+CMS ERROR: <err>
Parameters
string format(string should be included in quotation marks); BCD numbers
SIMCOM COMFIDENTIAL FILE
given <ctrl-Z/ESC>
Parameter
Mode
Time
reference value <mr> is returned to the TE on successful message delivery. Optionally (when +CSMS < service> value is 1 and network supports) <scts> is returned. Values can be used to identify message upon unsolicited delivery status report result code.
1) If text mode(+CMGF=1) and sending successful:
+CMGS: <mr>
OK
2) If PDU mode(+CMGF=0) and sending successful:
+CMGS: <mr>
OK
3)If error is related to ME functionality:
<mr> GSM 03.40 TP-Message-Reference in integer format NO_SAVE
60s
Reference 3GPP TS 27.005
4.2.6 AT+CMGW Write SMS Message to Memory

A T+ CMGW Write SMS Message to Memory

Test Command
AT+CMGW=?
Write Command
1) If text mode (+CMGF=1):
AT+CMGW=<o a/da>[,<tooa/tod a>][,<stat>] <CR> text is entered <ctrl-Z/ESC>
<ESC> quits without sending
2) If PDU mode (+CMGF=0):
AT+CMGW=<le
Note Reject incoming call when sending messages.
Response OK
Response TA transmits SMS message (either SMS-DELIVER or SMS­from TE to memory storage <mem2>. Memory location <index stored mess unsent', but parameter <stat> allows also other status values to be given.
If writing is successful:
+CMGW: <index>
OK
If error is related to ME functionality:
<oa> GSM 03.40 TP-Originating-Address Address-Value field in
SIM7000 Series_AT Command Manual_V1.03 68 2018-05-08
SUBMIT)
> of the
stored message is returned. By default message status will be set to 'stored
If writing is successful:
SIMCOM COMFIDENTIAL FILE
ngth>[,<stat>] <CR>PDU is given <ctrl-Z/ESC>
(or GSM default alphabet characters) are converted to characters of the currently selected TE character set (specified by +CSCS in 3GPP TS
27.007);type of address given by <tooa>
<da> GSM 03.40 TP-Destination-Address Address-Value field in string format(string should be included in quotation marks); BCD numbers (or GSM default alphabet characters) are converted to characters of the currently selected TE character set (specified by +CSCS in 3GPP TS
27.007); type of address given by <toda>
<tooa> GSM 04.11 TP-Originating-Address Type-of-Address octet in integer format (default refer <toda>) <toda> GSM 04.11 TP-Destination-Address T ype-of-Address octet in integer format (when first character of <da> is + (IRA 43) default is 145, otherwise default is 129)
129 Unknown type(IDSN format number) 161 National number type(IDSN format) 145 International number type(ISDN format) 177 Network specific number(ISDN format)
<length> Integer type value (not exceed 160 bytes) indicating in the text mode (+CMGF=1) the length of the message body <data> (or <cdata>) in characters;
or in PDU mode (+CMGF=0), the length of the actual TP data unit in octets (i.e. the RP layer SMSC address octets are not counted in the length)
<stat> in the text mode (+CMGF=1):
"STO UNSENT" Stored unsent messages "STO SENT" Stored sent messages
in PDU mode (+CMGF=0):
0 Received unread messages
1 Received read messages 2 Stored unsent messages 3 Stored sent messages <pdu> In the case of SMS: GSM 04.11 SC address followed by GSM 03.40 TPDU in hexadecimal format: ME/TA converts each octet of TP data unit into two IRA character long hexadecimal number (e.g. octet with integer value 42 is presented to TE as two characters 2A (IRA 50 and
65)). In the case of CBS: GSM 03.41 TPDU in hexadecimal format. <index> Index of message in selected storage <mem2>
Execution Command
AT+CMGW
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Response TA transmits SMS message (either SMS-DELIVER or SMS­from TE to memory storage <mem2>. Memory location <index
unsent', but parameter <stat> allows also other status values to be given.
Parameter Saving
Mode
Max Response
5s
> from message storage
> is
given, it shall be used instead of the one stored with the message. Reference
> is returned to the TE on successful message delivery. Values
can be used to identify message upon unsolicited delivery status report
supported
SIMCOM COMFIDENTIAL FILE
Time
+CMGW: <index>
OK
If error is related to ME functionality: +CMS ERROR: <err>
NO_SAVE
Reference 3GPP TS 27.005
4.2.7 AT+CMSS Send SMS Message from Storage

A T+ CM SS Send SMS Message from Storage

Test Command
AT+CMSS=?
Write Command
AT+CMSS=<ind ex>[,<da>,<toda >]
Note
Response
OK
Response TA sends message with location value <index <mem2> to the network (SMS-SUBMIT). If new recipient address <da
value <mr
result code.
1) If text mode(+CMGF=1) and sending successful:
+CMSS: <mr>
OK
2) If PDU mode(+CMGF=0) and sending successful:
+CMSS: <mr>
OK
3)If error is related to ME functionality:
+CMS ERROR: <err> Parameters
<index> Integer type; value in the range of location numbers by the associated memory <da> GSM 03.40 TP-Destination-Address Address-Value field in string format(string should be included in quotation marks); BCD numbers (or GSM default alphabet characters) are converted to characters of the currently selected TE character set (specified by +CSCS in 3GPP TS
27.007); type of address given by <toda>
<toda> GSM 04.11 TP-Destination-Address Type-of-Address octet
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Parameter Saving
Mode
Max Response
TA selects the procedure for how the receiving of new messages from the network is indicated to the TE when TE is active, e.g. DTR signal is ON. If
g. DTR signal is OFF), message receiving should be done
ERROR
Parameters
SIMCOM COMFIDENTIAL FILE
Time
in integer format (when first character of <da> is + (IRA 43) default is 145, otherwise default is 129) <mr> GSM 03.40 TP-Message-Reference in integer format
NO_SAVE
60s
Reference 3GPP TS 27.005
4.2.8 AT+CNMI New SMS Message Indications

AT+CNMI New SMS Message Indications

Test Command
AT+CNMI=?
Read Command AT+CNMI?
Note
Response +CNMI: (list of supported <mode>s),(list of supported <mt>s),(list of supported <bm>s),(list of supported <ds>s),(list of supported <bfr>s)
OK
Parameters See Write Command
Response
+CNMI: <mode>,<mt>,<bm>,<ds>,<bfr>
OK
Parameters See Write Command
Write Command
AT+CNMI=<mo de>[,<mt>[,<bm >[,<ds>[,<bfr>]]] ]
SIM7000 Series_AT Command Manual_V1.03 71 2018-05-08
Response
TE is inactive (e. as specified in GSM 03.38.
OK
<mode> 0 Buffer unsolicited result codes in the TA. If TA result
code buffer is full, indications can be buffered in some other place or the oldest indications may be discarded and replaced with the new received indications. 1 Discard indication and reject new received message unsolicited result codes when TA-TE link is reserved (e.g. in on-line data mode). Otherwise forward them directly to the TE. 2 Buffer unsolicited result codes in the TA when TA-TE
TA buffer of unsolicited result codes defined within this
1. Indicates that new message has been received
SIMCOM COMFIDENTIAL FILE
link is reserved (e.g. in on-line data mode) and flush them to the TE after reservation. Otherwise forward them directly to the TE. <mt> (the rules for storing received SMs depend on its data coding scheme (refer GSM 03.38 [2]), preferred memory storage (+CPMS) setting and this value): 0 No SMS-DELIVER indications are routed to the TE. 1 If SMS-DELIVER is stored into ME/TA, indication of the memory location is routed to the TE using unsolicited result code: +CMTI: <mem>,<index> 2 SMS-DELIVERs (except class 2) are routed directly to the TE using unsolicited result code:
+CMT: [<alpha>],<length><CR><LF><pdu> (PDU mode enabled) or +CMT: <oa>,[<alpha>],<scts> [,<tooa>,<fo>,<pid>,<dcs>,<sca>,<tosca>,<length>]<CR><LF><data>
(text mode enabled; about parameters in italics, refer Command Show Text Mode Parameters +CSDH). Class 2 messages result in indication as defined in <mt>=1.
3 Class 3 SMS-DELIVERs are routed directly to TE
using unsolicited result codes defined in <mt>=2. Messages of other classes result in indication as defined in <mt>=1. <bm> (the rules for storing received CBMs depend on its data coding scheme (refer GSM 03.38 [2]), the setting of Select CBM Types (+CSCB) and this value): 0 No CBM indications are routed to the TE. 2 New CBMs are routed directly to the TE using unsolicited result code: +CBM: <length><CR><LF><pdu> (PDU mode enabled) or +CBM: <sn>,<mid>,<dcs>,<page>,<pages><CR><LF><data> (text mode enabled). <ds> 0 No SMS-STATUS-REPORTs are routed to the TE. 1 SMS-STATUS-REPORTs are routed to the TE using unsolicited result code: +CDS: <length><CR><LF><pdu> (PDU mode enabled) or +CDS: <fo>,<mr>[,<ra>][,<tora>],<scts>,<dt>,<st> (text mode enabled) 2 If SMS-STATUS-REPORT is stored into ME/TA, indication of the memory location is routed to the TE using unsolicited result code: +CDSI: <mem3>,<index> <bfr> 0 Command is flushed to the TE when <mode> 1...3 is entered (OK response shall be given before flushing the codes). 1 TA buffer of unsolicited result codes defined within this command is cleared when <mode> 1…3 is entered
Unsolicited result code
SIM7000 Series_AT Command Manual_V1.03 72 2018-05-08
Parameter Saving
Max Response
-

AT+CPMS Preferred SMS Message Storage

OK
SIMCOM COMFIDENTIAL FILE
If <mt>=1: +CMTI: <mem3>,<index> If <mt>=2 (PDU mode enabled): +CMT: [<alpha>],<length><CR><LF><pdu> If <mt>=2 (text mode enabled): +CMT: <oa>,<scts>[,<tooa>,<fo>,<pid>,<dcs>,<sca>,<tosca>,<length>]<CR>< LF><data>
2. Indicates that new cell broadcast message has been received
If <bm>=2 (PDU mode enabled):
+CBM: <length><CR><LF><pdu> If <bm>=2 (text mode enabled): +CBM: <sn>,<mid>,<dcs>,<page>,<pages><CR><LF><data>
3. Indicates that new SMS status report has been received
If <ds>=1 (PDU mode enabled):
+CDS: <length><CR><LF><pdu> If <ds>=1 (text mode enabled): +CDS: <fo>,<mr>[,<ra>][,<tora>],<scts>,<dt>,<st>
-
Mode
Time Reference
3GPP TS 27.005
4.2.9 AT+CPMS Preferred SMS Message Storage
Test Command
AT+CPMS=?
Note This command is used to select the procedure how receiving of new
messages from the network is indicated to the TE when TE is active, e.g. DTR signal is ON. If TE is inactive (e.g. DTR signal is OFF). If set <mt>＝2,<mt>＝3 or <ds>＝1, make sure <mode>＝1, otherwise it will return error..
Response +CPMS: (list of supported <mem1>s),(list of supported <mem2>s),(list of supported <mem3>s)
Parameters See Write Command
Read Command
AT+CPMS?
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Response
+CPMS: <mem1>,<used1>,<total1>,<mem2>,<used2>,<total2>,
ERROR
mem2> and <mem3> to be used for
<totalx> Integer type; Number of messages storable in <memx>
ter Saving
Max Response
volatile
memory to active memory. A TA can contain several profiles of settings.
Set
SIMCOM COMFIDENTIAL FILE
<mem3>,<used3>,<total3>
OK
Parameters See Write Command
Write Command
AT+CPMS=<me m1>[,<mem2>[,< mem3>]]
Parame Mode
Response TA selects memory storages <mem1>,< reading, writing, etc.
+CPMS: <used1>,<total1>,<used2>,<total2>,<used3>,<total3>
OK ERROR
Parameters <mem1> Messages to be read and deleted from this memory storage "SM" SIM message storage <mem2> Messages will be written and sent to this memory storage "SM" SIM message storage <mem3> Received messages will be placed in this memory storage if routing to PC is not set ("+CNMI") "SM" SIM message storage <usedx> Integer type; Number of messages currently in <memx>
NO_SAVE
-
Time Reference
3GPP TS 27.005
4.2.10 AT+CRES Restore SMS Settings

A T+ CRES Restore SMS Settings

Test Command
AT+CRES=?
Write Command
AT+CRES=<pro file>
Note
Response
+CRES: list of supported <profile>s
OK
Parameter See Write Command
Response Execution command restores message service settings from non-
Settings specified in commands Service Centre Address +CSCA and
SIM7000 Series_AT Command Manual_V1.03 74 2018-05-08
rs +CSMP are restored. Certain settings may not be
Execution
Response
+CMS ERROR <err>
Parameter Saving
Max Response Time
See Write Command
volatile
memory. Settings specified in commands Service Centre Address +CSCA
Set Message Parameters +CSMP are saved. Certain settings may not be
supported by the storage (e.g. (U)SIM SMS parameters) and therefore can
ERROR
SIMCOM COMFIDENTIAL FILE
Message Paramete supported by the storage (e.g. (U)SIM SMS parameters) and therefore can not be restored.
OK ERROR
Parameter <profile> 0 Restore SM service settings from profile 0
Command
AT+CRES
Mode
Reference 3GPP TS 27.005
4.2.11 AT+CSAS Save SMS Settings

AT+CSAS Save SMS Settings

Test Command
AT+CSAS=?
Same as AT+CRES=0. OK
If error is related to ME functionality:
NO_SAVE
5s
Note
Response
+CSAS: list of supported <profile>s
OK
Parameter
Write Command
AT+CSAS=<prof ile>
Execution Command
AT+CSAS
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Response Execution command saves active message service settings to a non-
and
not be saved. OK
Parameter <profile> 0 Save SM service setting in profile 0
Response Same as AT+CSAS=0
OK
If error is related to ME functionality:
+CMS ERROR <err>
Parameter Saving
Mode
Max Response
Reference
Note
OK
TA updates the SMSC address, through which mobile originated SMS are
ted. In text mode, setting is used by send and writes commands. In
PDU mode, setting is used by the same commands, but only when the
Parameter Saving Max Response
SIMCOM COMFIDENTIAL FILE
Time
NO_SAVE
5s
3GPP TS 27.005
4.2.12 AT+CSCA SMS Service Center Address

AT+CSCA SMS Service Center Address

Test Command
AT+CSCA=?
Read Command
AT+CSCA?
Write Command
AT+CSCA=<sca >[,<tosca>]
Response
OK
Response +CSCA: <sca>,<tosca>[,<scaAlpha>]
Parameters See Write Command
Response
transmit
length of the SMSC address coded into <pdu> parameter equals zero.
Note: The Command writes the parameters in NON-VOLATILE memory.
OK
If error is related to ME functionality:
+CME ERROR: <e r r>
Parameters <sca> GSM 04.11 RP SC address Address-Value field in string format(string should be included in quotation marks); BCD numbers (or GSM default alphabet characters) are converted to characters of the currently selected TE character set (specified by +CSCS in 3GPP TS
27.007); type of address given by <tosca>
<tosca> Service center address format GSM 04.11 RP SC address Type-of-Address octet in integer format (default refer <toda>) <scaAlpha> String type(string should be included in quotation marks)
Mode
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Service center address alpha data
NO_SAVE
5s
Time
See Write Command
TA determines whether detailed header information is shown in text mode Parameter Saving
Max Response 3GPP TS 27.005
SIMCOM COMFIDENTIAL FILE
Reference 3GPP TS 27.005
4.2.13 AT+CSDH Show SMS Text Mode Parameters

AT+CSDH Show SMS Text Mode Parameters

Test Command
AT+CSDH=?
Read Command
AT+CSDH?
Write Command
AT+CSDH=<sho w>
Note
Response
+CSDH: (list of supported <show>s)
OK
Parameter
Response
+CSDH: <show>
OK
Parameter See Write Command
Response
result codes.
OK
Parameter <show> 0 Do not show header values defined in commands +CSCA and +CSMP (<sca>,<tosca>,<fo>,<vp>,<pid> and <dcs>) nor <length>,<toda> or <tooa> in +CMT, +CMGL, +CMGR result codes for SMS-DELIVERs and SMS-SUBMITs in text mode 1 Show the values in result codes
Execution Command
AT+CSDH
Mode
Time Reference
4.2.14 AT+CSMP Set SMS Text Mode Parameters

A T+ CSMP Set SMS Text Mode Parameters

Response
OK
NO_SAVE
-
Note
Test Command Response
SIM7000 Series_AT Command Manual_V1.03 77 2018-05-08
OK
TA selects values for additional parameters needed when SM is sent to the network or placed in a storage when text mode is selected (+CMGF=1). It is possible to set the validity period starting from when the SM is received by
> is in range 0... 255) or define the absolute time of the
VOLATILE
OK
<dcs> GSM 03.38 SMS Data Coding Scheme in Integer format.
Parameter Saving
Max Response Time
SIMCOM COMFIDENTIAL FILE
AT+CSMP=?
Parameters See Write Command
Read Command
AT+CSMP?
Write Command
AT+CSMP=[<fo >[,<vp>,<pid>,< dcs>]]
Response
+CSMP: <fo>,<vp>,<pid>,<dcs>
OK
Parameters See Write Command
Response
the SMSC (<vp validity period termination (<vp> is a string).
Note: The Command writes the parameter <fo> in NON­memory.
Parameters
<fo> Depending on the command or result code: first octet of GSM
03.40 SMS-DELIVER, SMS-SUBMIT (default 17), SMS-STATUS-REPORT, or SMS-COMMAND (default 2) in integer format. SMS status report is supported under text mode if <fo> is set to 49. <vp> Depending on SMS-SUBMIT <fo> setting: GSM 03.40 TP-Validity-Period either in integer format (default 167) or in time-string format (refer <dt>)
<pid> GSM 03.40 TP-Protocol-Identifier in integer format (default 0).
NO_SAVE
Mode
-
Reference 3GPP TS 27.005
4.2.15 AT+CSMS Select Message Service

AT+CSMS Select Message Service

Test Command
AT+CSMS=?
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Note
Response
+CSMS: (list of supported <service>s)
OK
tax of SMS AT commands
Parameter Saving Mode
Max Response 3GPP TS 27.005
SIMCOM COMFIDENTIAL FILE
Parameter See Write Command
Read Command
AT+CSMS?
Write Command
AT+CSMS=<ser vice>
Response
+CSMS: <service>,<mt>,<mo>,<bm>
OK
Parameters See Write Command
Response
+CSMS: <mt>,<mo>,<bm>
OK
If error is related to ME functionality: +CME ERROR: <e r r>
Parameters <service> 0 GSM 03.40 and 03.41 (the syn is compatible with 3GPP TS 27.005 Phase 2 version 4.7.0; Phase 2+ features which do not require new Command syntax may be supported (e.g. correct routing of messages with new Phase 2+ data coding schemes))
1 GSM 03.40 and 03.41 (the syntax of SMS AT commands is compatible with 3GPP TS 27.005 Phase 2+
version; the requirement of <service> setting 1 is mentioned under corresponding command descriptions)
<mt> Mobile Terminated Messages: 0 Type not supported 1 Type supported <mo> Mobile Originated Messages: 0 Type not supported 1 Type supported <bm> Broadcast Type Messages: 0 Type not supported 1 Type supported
NO_SAVE
-
Time Reference
SIM7000 Series_AT Command Manual_V1.03 79 2018-05-08
Note
AT+CPOWD
Power off
AT+CADC
Read ADC
AT+CNSMOD
Show network system mode
AT+CSCLK
Configure slow clock
AT+CNETLIGHT
Close the net light or open it to shining
AT+CGPIO
Control the GPIO by PIN Index
AT+CEDRXS
Entended-DRX Setting
AT+CPSI
Inquiring UE system information
AT+NBSC
Config NB-IOT Scrambling Feature
AT+CAPNMODE
Select the mode of application configure APN
SIMCOM COMFIDENTIAL FILE

5 AT Commands Special f or SIMCom

5.1 Overview
Command Description
AT+CFGRI Indicate RI when using URC AT+CLTS Get local timestamp AT+CBAND Get and set mobile operation band AT+CNBP Set the state of the band preference
AT+CCID Show ICCID AT+CDEVICE View Current Flash Device Type AT+GSV Display product identification information AT+SGPIO Control the GPIO AT+SLEDS Set the timer period of net light
AT+CSGS Netlight indication of GPRS status
AT+CBATCHK Set VBAT checking feature ON/OFF AT+CNMP Preferred mode selection AT+CMNB Preferred selection between CAT-M and NB-IoT AT+CPSMS Power Saving Mode Setting
AT+CGNAPN Get Network APN in CAT-M Or NB-IOT AT+CSDP Service Domain Preference AT+MCELLLOCK Lock the special CAT-M cell AT+NCELLLOCK Lock the special NB-IOT cell
AT+CRRCSTATE Query RRC State AT+CBANDCFG Configure CAT-M Or NB-IOT Band AT+CNACT App Network Active AT+CEDUMP Set whether the module reset when the module is crashed
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AT+CNBS
Configure Band Scan Optimization for NB-IOT
AT+CENG
Switch on or off Engineering Mode
Parameter Saving
Max Response <value> Integer 0,100-1700
Read Command
Response
See Test Command
Parameter Saving
SIMCOM COMFIDENTIAL FILE
AT+CNDS Configure Service Domain Preference For NB-IOT
5.2 Detailed Descriptions of Commands
5.2.1 AT+CPOWD Power off

AT+CPOWD Power Off

Write Command
AT+CPOWD=<n >
Mode
Time Reference Note
5.2.2 AT+CADC Read ADC

AT+CADC Read ADC

Test Command AT+CADC=?
Response
[NORMAL POW E R DO WN]
Parameter <n> 0 Power off urgently (Will not send out NORMAL POWER DOWN) 1 Normal power off (Will send out NORMAL POWER DOWN)
NO_SAVE
-
Response
+CADC: (list of supported <status>s),(list of supported <value>s)
OK
Parameters <status> 1 Success
0 Fail
AT+CADC?
Mode
SIM7000 Series_AT Command Manual_V1.03 81 2018-05-08
+CADC: <status>,<value>
OK
Parameters
NO_SAVE
Max Response

AT+CFGRI Indicate RI When Using UR C

OK
Parameter Saving
Max Response
-
SIMCOM COMFIDENTIAL FILE
2s
Time Reference Note
5.2.3 AT+CFGRI Indicate RI When Using URC
Test Command
AT+CFGRI=?
Read Command
AT+CFGRI?
Write Command
AT+CFGRI=<st atus>
Response
+CFGRI: (0-2)
Parameters See Write Command
Response
+CFGRI: <status>
OK
Parameters See Write Command
Response
OK ERROR
Parameters <status> 0 Off
1 On(TCPIP, FTP and URC control RI pin) 2 On(only TCPIP control RI pin)
-
Mode
Time Reference Note
RI pin can not controll by "AT+CFGRI" command when module has
call service or receiving SMS.
5.2.4 AT+CLTS Get Local Timestamp

AT+CLTS Get Local Timestamp

Test Command
AT+CLTS=?
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Response
+CLTS: "yy/MM/dd,hh:mm:ss+/-zz"
OK
OK
1 Enable
SIMCOM COMFIDENTIAL FILE
Read Command
AT+CLTS?
Write Command
AT+CLTS=<mo de>
Response
+CLTS: <mode>
Response
OK ERROR
Parameters
<mode>
0 Disable
Unsolicited Result Code
When "get local timestamp" function is enabled, the following URC may be reported if network sends the message to the MS to provide the MS with subscriber specific information.
1. Refresh network name by network:
*PSNWID: "<mcc>", "<mnc>", "<full network name>",<full network name CI>,"<short network name>",<short network name CI>
2. Refresh time and time zone by network: This is UTC time, the time queried by AT+CCLK command is local time.
*PSUTTZ: <year>,<month>,<day>,<hour>,<min>,<sec>,"<time zone>",<dst>
3. Refresh network time zone by network: +CTZV: "<time zone>"
4. Refresh Network Daylight Saving Time by network: DST: <dst>
Parameters
<mcc> String type; mobile country code <mnc> String type; mobile network code <full network name> String type; name of the network in full length. <full network name CI> Integer type; indicates whether to add CI.
0 The MS will not add the initial letters of the Country's
Name to the text string.
1 The MS will add the initial letters of the Country's
Name and a separator (e.g. a space) to the text string.
<short network name> String type; abbreviated name of the network
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If the network time zone
has been adjusted for Daylight Saving Time, the network shall indicate
Parameter Saving
Max Response
-
can receive network time updating
See Write Command
SIMCOM COMFIDENTIAL FILE
<short network name CI> Integer type; indicates whether to add CI. 0 T he MS will not add the initial letters of the Country's
Name to the text string.
1 The MS will add the initial letters of the Country's
Name and a separator (e.g. a space) to the text string.
<year> 4 digits of year (from network) <month> Month (from network) <day> Day (from network) <hour> Hour (from network) <min> Minute (from network) <sec> Second (from network) <time zone> String type; network time zone.
this by including the <dst> (Network Daylight Saving T im e) <dst> Network Daylight Saving Time; the content of this
indicates the value that used to adjust the network time zone
0 No adjustment for Daylight Saving Time 1 +1 hour adjustment for Daylight Saving 2 +2 hours adjustment for Daylight Saving Time
others Reserved
-
Mode
Time Reference
5.2.5 AT+CBAND Get and Set Mobile Operation Band

AT+CBAND Get and Set Mobile Operation Band

Test Command
AT+CBAND=?
Note Support for this Command will be network dependent. Set AT+CLTS=1, it means user and use AT+CCLK to show current time. *PSUTTZ may report twice.
Response
+CBAND: (list of supported <op_band>s)
OK
Parameter
Read Command
AT+CBAND?
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Response
+CBAND: <op_band>
OK
Parameter Saving
Max Response
SIMCOM COMFIDENTIAL FILE
Parameter See Write Command
Write Command
AT+CBAND=<o p_band>
Mode
Time Reference Note
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Parameter <op_band> A string parameter which indicate the operation band. And the following strings should be included in quotation marks.
AUTO_SAVE
-
Radio settings are stored in non-volatile memory. Only for GSM
EGSM_MODE DCS_MODE ALL_MODE
5.2.6 AT+CNBP Set the state of the band preference

AT+CNBP Set the state of the band preference

Read Command
AT+CNBP?
Write Command
AT+CNBP=<mo de>[,<lte_mode> ]
Response
+CNBP: <mode>[,<lte_mode>]
OK
Parameter See Write Command
Response
OK ERROR
Parameter <mode> 64bit number, the value is "1" << "<pos>", then or by bit.
Some special mode value declared below: 0x40000000 BAND_PREF_NO_CHANGE
<pos>
0xFFFFFFFF7FFFFFFF Any (any value) 7 GSM_DCS_1800 8 GSM_EGSM_900 9 GSM_PGSM_900
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SIMCOM COMFIDENTIAL FILE
<lte_mode> 64bit number, the value is "1" << "<lte_pos>", then or by bit
<lte_pos>
0x000007FF3FDF3FFF Any (any value) 0 EUTRAN_BAND1(UL:1920-1980; DL:2110-2170) 1 EUTRAN_BAND2(UL:1850-1910; DL:1930-1990) 2 EUTRAN_BAND3(UL:1710-1785; DL:1805-1880) 3 EUTRAN_BAND4(UL:1710-1755; DL:2110-2155) 4 EUTRAN_BAND5(UL: 824-849; DL: 869-894) 5 EUTRAN_BAND6(UL: 830-840; DL: 875-885) 6 EUTRAN_BAND7(UL:2500-2570; DL:2620-2690) 7 EUTRAN_BAND8(UL: 880-915; DL: 925-960) 8 EUTRAN_BAND9(UL:1749.9-1784.9; DL:1844.9-1879.9) 9 EUTRAN_BAND10(UL:1710-1770; DL:2110-2170) 10 EUTRAN_BAND11(UL:1427.9-1452.9; DL:1475.9-1500.9) 11 EUTRAN_BAND12(UL:698-716; DL:728-746) 12 EUTRAN_BAND13(UL: 777-787; DL: 746-756) 13 EUTRAN_BAND14(UL: 788-798; DL: 758-768) 16 EUTRAN_BAND17(UL: 704-716; DL: 734-746) 17 EUTRAN_BAND18(UL: 815-830; DL: 860-875) 18 EUTRAN_BAND19(UL: 830-845; DL: 875-890) 19 EUTRAN_BAND20(UL: 832-862; DL: 791-821) 20 EUTRAN_BAND21(UL: 1447.9-1462.9; DL:
1495.9-1510.9) 22 EUTRAN_BAND23(UL: 2000-2020; DL: 2180-2200) 23 EUTRAN_BAND24(UL: 1626.5-1660.5; DL: 1525 -1559) 24 EUTRAN_BAND25(UL: 1850-1915; DL: 1930 -1995) 25 EUTRAN_BAND26(UL: 814-849; DL: 859 -894) 26 EUTRAN_BAND27(UL: 807.5-824; DL: 852 -869) 27 EUTRAN_BAND28(703-748; DL: 758-803) 28 EUTRAN_BAND29(UL:1850-1910 or 1710-1755;
DL:716-728) 29 EUTRAN_BAND30(UL: 2305-2315 ; DL: 2350 - 2360) 32 EUTRAN_BAND33(UL: 1900-1920; DL: 1900-1920) 33 EUTRAN_BAND34(UL: 2010-2025; DL: 2010-2025) 34 EUTRAN_BAND35(UL: 1850-1910; DL: 1850-1910) 35 EUTRAN_BAND36(UL: 1930-1990; DL: 1930-1990) 36 EUTRAN_BAND37(UL: 1910-1930; DL: 1910-1930) 37 EUTRAN_BAND38(UL: 2570-2620; DL: 2570-2620) 38 EUTRAN_BAND39(UL: 1880-1920; DL: 1880-1920) 39 EUTRAN_BAND40(UL: 2300-2400; DL: 2300-2400) 40 EUTRAN_BAND41(UL: 2496-2690; DL: 2496-2690) 41 EUTRAN_BAND42(UL: 3400-3600; DL: 3400-3600)
SIM7000 Series_AT Command Manual_V1.03 86 2018-05-08
Parameter Saving
Max Response
ERROR:
Parameter Saving Max Response
SIMCOM COMFIDENTIAL FILE
42 EUTRAN_BAND43(UL: 3600-3800; DL: 3600-3800)
AUTO_SAVE
Mode
-
Time Reference Note
Radio settings are stored in non-volatile memory.
5.2.7 AT+CNSMOD Show network system mode

AT+CNSMOD Show network system mode

Test Command
AT+CNSMOD=?
Read Command
AT+CNSMOD?
Write Command
AT+CNSMOD= <n>
Response
+CNSMOD: (list of supported <n>s)
OK
Parameter See Write Command
Response
+CNSMOD: <n>,<stat>
OK
Parameter See Write Command
Response
OK
Parameter <n> 0 Disable auto report the network system mode information 1 Auto report the network system mode information, command:
+CNSMOD: <stat> <stat> 0 no service 1 GSM 3 EGPRS 7 LTE M1 9 LTE NB
-
Mode
SIM7000 Series_AT Command Manual_V1.03 87 2018-05-08
Time
See Write Command
ERROR
Parameter Saving
Max Response
AT+CCID=?
OK
SIMCOM COMFIDENTIAL FILE
Reference
5.2.8 AT+CSCLK Configure Slow Clock

AT+CSCLK Configure Slow Clock

Test Command
AT+CSCLK=?
Read Command
AT+CSCLK?
Write Command
AT+CSCLK=<n >
Response
+CSCLK: (list of supported <n>s)
OK
Parameter
Response
+CSCLK: <n>
OK
Parameter See Write Command
Response
OK
Parameter
<n> 0 Disable slow clock, module will not enter sleep mode.
1 Enable slow clock, it is controlled by DTR. When DTR is high, module can enter sleep mode. When DTR changes to low level, module can quit sleep mode.
AUTO_SAVE
Mode
-
Time Reference Note
5.2.9 AT+CCID Show ICCID

AT+CCID Show ICCID

Test Command
SIM7000 Series_AT Command Manual_V1.03 88 2018-05-08
Response
Parameter Saving
Max Response
2s
Parameter Saving
Max Response
Parameter Saving
Max Response
SIMCOM COMFIDENTIAL FILE
Execution Command
AT+CCID
Mode
Time Reference Note
5.2.10 AT+CDEVICE View Current Flash Device Type

AT+CDEVICE View Current Flash Device Type

Read Command AT+CDEVICE?
Response
Ccid data [ex. 898600810906F8048812]
OK
NO_SAVE
Response
Device Name: Current flash device type Ram Size: Current RAM size
OK
NO_SAVE
Mode
-
Time Reference
V.25ter
5.2.11 AT+GSV Display Product Identification Information

AT+GSV Display Product Identification Information

Execution Command
AT+GSV
Note
Response TA returns product information text
Example:
SIMCOM_Ltd SIMCOM_SIM7000 Revision: 1351B01SIM7000
OK
NO_SAVE
Mode
-
Time
SIM7000 Series_AT Command Manual_V1.03 89 2018-05-08
See Write Command
set as input, user can use parameter 1 to read the GPIO level, otherwise the
It has relations with the hardware,
meter Saving
Max Response

AT+SLEDS Set the Timer Period of Net Light

SIMCOM COMFIDENTIAL FILE
Reference
5.2.12 AT+SGPIO Control the GPIO

AT+SGPIO Control the GPIO

Test Command
AT+SGPIO=?
Write Command
AT+SGPIO=<ope ration>,<GPIO>, <function>,<level >
Note
Response
+SGPIO: (0-1),(0-4),(0-1),(0-1)
OK
Parameters
Response
OK
or ERROR
Parameters
<operation>
0 Set the GPIO function including the GPIO output. 1 Read the GPIO level. Please note that only when the gpio is
module will return "ERROR". <GPIO> The GPIO you want to be set. ( please refer to the hardware manual)
<function> Only when <operation> is set to 0, this option takes effect. 0 Set the GPIO to input.
1 Set the GPIO to output
<level> 0 Set the GPIO low level 1 Set the GPIO high level
Para Mode
Time Reference Note
5.2.13 AT+SLEDS Set the Timer Period of Net Light
Test Command
AT+SLEDS=?
NO_SAVE
-
Response
+SLEDS: (1-3),(0,40-65535),(0,40-65535)
OK
SIM7000 Series_AT Command Manual_V1.03 90 2018-05-08
does not
Parameter Saving
Max Response

AT+CNETLIGHT Close the Net Light or Open It to Shining

OK
SIMCOM COMFIDENTIAL FILE
Parameters See Write Command
Read Command
AT+SLEDS?
Write Command
AT+SLEDS=<m ode>,<timer_on> ,<timer_off>
Response
+SLEDS: <mode>,<timer_on>,<timer_off>
OK
Parameters See Write Command
Response
OK ERROR
Parameters
<mode>
1 Set the timer period of net light while SIM7000 series register to the network 2 Set the timer period net light while SIM7000 series has already registered to the network 3 Set the timer period net light while SIM7000 series is in the state of PPP communication
<timer_on> Timer period of "LED ON" in decimal format which range is 0 or 40-65535(ms) <timer_off> Timer period of "LED OFF" in decimal format which range is 0 or 40-65535(ms)
-
Mode
-
Time Reference Note
The default value is : <mode>,<timer_on>,<timer_off> 1,64,800 2,64,3000 3,64,300
5.2.14 AT+CNETLIGHT Close the Net Light or Open It to Shining
Test Command
AT+CNETLIGH T=?
Response
+CNETLIGHT: (0,1)
SIM7000 Series_AT Command Manual_V1.03 91 2018-05-08
Parameter Saving
Max Response
-
OK
SIMCOM COMFIDENTIAL FILE
Parameters See Write Command
Read Command
AT+CNETLIGH T?
Write Command
AT+CNETLIGH T=<mode>
Mode
Time Reference Note
Response
+CNETLIGHT: <mode>
OK
Parameters See Write Command
Response
OK ERROR
Parameters
<mode>
0 Close the net light 1 Open the net light to shining
AUTO_SAVE
5.2.15 AT+CSGS Netlight Indication of GPRS Status

AT+CSGS Netlight Indication o f GPRS Status

Test Command
AT+CSGS=?
Read Command
AT+CSGS?
Response
+CSGS: (0-2)
OK
Parameters See Write Command
Response +CSGS: <mode>
Parameters See Write Command
Write Command
AT+CSGS=<mo de>
Response
OK ERROR
SIM7000 Series_AT Command Manual_V1.03 92 2018-05-08
Parameter Saving
Max Response Time
See Write Command
It has relations with the
Parameter Saving
SIMCOM COMFIDENTIAL FILE
Parameters
<mode>
0 Disable 1 Enable, the netlight will be forced to enter into 64ms on/300ms off
blinking state in GPRS data transmission service. Otherwise, the netlight state is not restricted.
2 Enable, the netlight will blink according to AT+SLEDS in GPRS
data transmission service.
Mode
-
Reference Note
5.2.16 AT+CGPIO Control the GPIO by PIN Index

AT+CGPIO Control the GPIO by PIN Index

Test Command
AT+CGPIO=?
Write Command
AT+CGPIO=<ope ration>,<pin>,<fu nction>,<level>
Response
+CGPIO: (0-1),( list of supported <pin>s),(0-1),(0-1)
OK
Parameters
Response
OK
or ERROR
Parameters
<operation>
0 Set the GPIO function including the GPIO output .
1 Read the GPIO level. Please note that only when the gpio is set as input, user can use parameter 1 to read the GPIO level, otherwise the module will return "ERROR". <pin> The PIN index you want to be set. ( hardware, please refer to the hardware manual) <function> Only when <operation> is set to 0, this option takes effect.
0 Set the GPIO to input.
1 Set the GPIO to output
<level>
0 Set the GPIO low level
1 Set the GPIO high level
-
SIM7000 Series_AT Command Manual_V1.03 93 2018-05-08
Mode
Max Response OK
Parameters
+CME ERROR: <e r r>
1 Open the function of VBAT checking
Parameter Saving
Max Response
Reference
Note

AT+CNMP Preferred mode selection

SIMCOM COMFIDENTIAL FILE
-
Time Reference Note
5.2.17 AT+CBATCHK Set VBAT Checking Feature ON/OFF

AT+CBATCHK Set VBAT Checking Feature ON/OFF

Test Command
AT+CBATCHK =?
Read Command
AT+CBATCHK?
Write Command
AT+CBATCHK =<mode>
Mode
Response
+CBATCHK: (0,1)
OK
Response
+CBATCHK: <mode>
See Write Command Response
OK
If failed:
Parameters <mode> 0 Close the function of VBAT checking
AUTO_SAVE
-
Time
5.2.18 AT+CNMP Preferred mode selection
Test Command
AT+CNMP=?
Read Command
AT+CNMP?
SIM7000 Series_AT Command Manual_V1.03 94 2018-05-08
Response
+CNMP: (list of supported <mode>s)
OK
Response
+CNMP: <mode>
OK
Parameter Saving
Max Response
00 series

AT+CMNB Preferred selection between CAT-M and NB-IoT

3 CAT-M and NB-IoT
Parameter Saving
AUTO_SAVE
SIMCOM COMFIDENTIAL FILE
Parameters See Write Command
Write Command
AT+CNMP=<mo de>
Mode
Time Reference
5.2.19 AT+CMNB Preferred selection between CAT-M and NB-IoT
Response
OK
If failed:
+CME ERROR: <e r r>
Parameters <mode> 2 Automatic
13 GSM only 38 LTE only 51 GSM and LTE only
AUTO_SAVE
-
Note Default value of parameter <mode> is different among SIM70 project.
Test Command
AT+CMNB=?
Read Command
AT+CMNB?
Write Command
AT+CMNB=<mo de>
Response
+CMNB: (list of supported<mode>s)
OK
Response
+CMNB: <mode>
OK
Parameters See Write Command
Response
OK
If failed:
+CME ERROR: <e r r>
Parameters <mode> 1 CAT-M
2 NB-Iot
SIM7000 Series_AT Command Manual_V1.03 95 2018-05-08
Mode
Max Response
00 series
>s),(list of supported
>s),(list of supported
>s),(list of supported
>s),(list of supported
extended periodic
UTRAN. The
ent coded as bit
For the coding and the
SIMCOM COMFIDENTIAL FILE
-
Time Reference Note
Default value of parameter <mode> is different among SIM70 project.
5.2.20 AT+CPSMS Power Saving Mode Setting

AT+CPSMS Power Saving Mode Setting

Test Command
AT+CPSMS=?
Read Command
AT+CPSMS?
Write Command
AT+CPSMS=[< mode>[,<Reques ted_Periodic-RA U>[,<Requested_ GPRS-READY-ti mer>[,<Requeste d_Periodic-TAU >[,<Requested_A ctive-Time>]]]]]
SIM7000 Series_AT Command Manual_V1.03 96 2018-05-08
Response +CPSMS: (list of supported <mode <Requested_Periodic-RAU <Requested_GPRS-READY-timer <Requested_Periodic-TAU <Requested_Active-Time>s)
OK
Response
+CPSMS: <mode>,[<Requested_Periodic-RAU>],[<Requested_GPRS­READY-timer>],[<Requested_Periodic-TAU>],[<Requested_Active-Ti me>]
OK
Parameters See Write Command
Response
OK
If failed:
+CME ERROR: <e r r>
Parameters
<mode>
0 Disable the use of PSM 1 Enable the use of PSM
<Requested_Periodic-RAU> Not supported <Requested_GPRS-READY-timer> Not supported <Requested_Periodic-TAU>
String type; one byte in an 8 bit format. Requested TAU value (T3412) to be allocated to the UE in E­requested extended periodic TAU value is coded as one byte (octet 3) of the GPRS Timer 3 information elem format (e.g. "01000111" equals 70 hours). value range, see the GPRS Timer 3 IE in 3GPP TS 24.008 [8]
ble, is
Active Time
. The requested Active Time
2
lement coded as bit format (e.g. "00100100" equals 4
2
24.008. See also and
default value, if available, is
Parameter Saving
Mode
Max Response Time
Reference
Note
list of supported
OK
See Write Command
SIMCOM COMFIDENTIAL FILE
Table 10.5.163a/3GPP TS 24.008. See also 3GPP TS 23.682 [149] and 3GPP TS 23.401 [82]. The default value, if availa manufacturer specific.
<Requested_Active-Time>
String type; one byte in an 8 bit format. Requested value (T3324) to be allocate d to the UE value is coded as one byte (octet 3) of the GPRS Timer information e minutes). For the coding and the value range, see the GPRS Timer IE in 3GPP TS 24.008 [8] Table 10.5.163/3GPP TS 3GPP TS 23.682 [149], 3GPP TS 23.060 [47] 3GPP TS 23.401 [82]. The manufacturer specific.
AUTO_SAVE
-
5.2.21 AT+CEDRXS Entended-DRX Setting

AT+CEDRXS Entended-DRX Setting

Test Command
AT+CEDRXS=?
Read Command
AT+CEDRXS?
Write Command
AT+CEDRXS=< n>,<AcT-type>,< Requested_eDR X_value>
SIM7000 Series_AT Command Manual_V1.03 97 2018-05-08
Response
+CEDRXS: ( <n>s),<AcT-type>,<Requested_eDRX_value>
Response
+CEDRXS: <AcT-type>,<Requested_eDRX_value>
OK
Parameters
Response
OK
If failed:
+CME ERROR: <e r r>
Parameters
<n>
0 Disable the use of eDRX 1 Enable the use of eDRX 2 Enable the use of eDRX and auto report 3 Disable the use of eDRX(Reserved)
Parameter Saving
Max Response
-
is the value of cycle length, separately
"LTE CAT-M1"
SIMCOM COMFIDENTIAL FILE
<AcT-type>
4 CAT-M 5 NB-IoT
<Requested_eDRX_value> Requested eDRX value. 4 bit format.
"0000"-"1111"
AUTO_SAVE
Mode
Time Reference Note
The Requested_eDRX_value
means
5.12,10.24,20.48,40.96,61.44,81.92,102.40,122.88,143.36,163.84,327. 68,655.36,1310.72,2621.44,5242.88,10485.76.(seconds)
5.2.22 AT+CPSI Inquiring UE system information

AT+CPSI Inquiring UE system information

Test Command
AT+CPSI=?
Read Command
AT+CPSI?
Response
OK
If camping on a gsm cell:
+CPSI: <System Mode>,<Operation Mode>,<MCC>-<MNC>,<LA C>,<Cell ID>,<Absolute RF Ch Num>,<RxLev>,<Track LO Adjus t>,<C1-C2>
OK
If camping on a CAT-M or NB-IOT cell: +CPSI: <System Mode>,<Operation Mode>,<MCC>-<MNC>,<TAC> ,<SCellID>,<PCellID>,<Frequency Band>,<earfcn>,<dlbw>,<ulbw>,<
RSRQ>,<RSRP>,<RSSI>,<RSSNR>
OK
If no service:
+CPSI: NO SERVICE,Online
OK
If failed: +CME ERROR: <e r r>
Parameters <System Mode> System mode .
"NO SERVICE" "GSM"
SIM7000 Series_AT Command Manual_V1.03 98 2018-05-08
Transmission bandwidth configuration of the serving cell
Parameter Saving
Max Response
-
SIMCOM COMFIDENTIAL FILE
"LTE NB-IOT"
<Operation Mode> UE operation mode.
"Online", "Offline", "Factory Test Mode", "Reset", "Low Power Mode".
<MCC> Mobile Country Code (first part of the PLMN code) <MNC> Mobile Network Code (second part of the PLMN code) <LAC> Location Area Code (hexadecimal digits) <Cell ID> Service-cell Identify <Absolute RF Ch Num> AFRCN for service-cell. <Track LO Adjust> Track LO Adjust <C1> Coefficient for base station selection <C2> Coefficient for Cell re-selection <TAC> Tracing Area Code <SCellID> Serving Cell ID <PCellID> Physical Cell ID <Frequency Band> Frequency Band of active set <earfcn> E-UTRA absolute radio frequency channel number for s
earching CAT-M or NB-IOT cells <dlbw> on the downlink <ulbw> Transmission bandwidth configuration of the serving cel
l on the uplink
<RSRP> Current reference signal received power.Available for C
AT-M or NB-IOT.
<RSRQ> Current reference signal receive quality as measured by L
1.
<RSSI> Current Received signal strength indicator <RSSNR> Average reference signal signal-to-noise ratio of the servi
ng cell The value of SINR can be calculated according to <RSSNR>, the formula is as below: SINR = 2 * <RSSNR> - 20 The range of SINR is from -20 to 30
Mode
-
Time Reference Note
SIM7000 Series_AT Command Manual_V1.03 99 2018-05-08
+CME ERROR: <err>
The network did not sent APN parameter to UE.In the
arameter to UE when UE
IOT network successfully.In
GSM,<Network_APN> always is NULL.
Parameter Saving
Max Response
IOT,after UE sending attach request message,If core
ach accept message that includes APN
OK
SIMCOM COMFIDENTIAL FILE
5.2.23 AT+CGNAPN Get Network APN in CAT-M Or NB-IOT

AT+CGNA P N Get Network APN in CAT-M Or NB-IOT

Test Command
AT+CGNAPN=?
Execution Command
AT+CGNAPN
Response
+CGNAPN: (list of supported <valid>s),<length>
OK
Response
+CGNAPN: <valid>,<Network_APN>
OK
If failed:
Parameters
<valid>
0
case,<Network_APN> is NULL.
1 The network sent APN parameter to UE.
<length> Max the length of <network_APN>.
<Network_APN> String type.The network sends APN p
registers CAT-M or NB-
-
Mode
-
Time Reference Note
I n C AT -M or NB-
network responds att parameter,<Netwok_APN> is valid.
5.2.24 AT+CSDP Service Domain Preference

AT+CSDP Service Domain Preference

Test Command
AT+CSDP=?
Read Command
AT+CSDP?
Response +CSDP: (list of supported <domain>s)
Response
+CSDP: <domain>
SIM7000 Series_AT Command Manual_V1.03 100 2018-05-08
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