Fibocom G510, G510S, G520, G610-A20 series, G620-A20 series User Manual

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G5/G6-Family AT Commands

User Manual

Version: V1.1.6

Date: 2015-04-26

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243

Without the prior written permission of the copyright holder, any company or individual is prohibited to

excerpt, copy any part of or the entire document, or transmit the document in any form.

Attention

The document is subject to update from time to time owing to the product version upgrade or other

reasons. Unless otherwise specified, the document only serves as the user guide. All the statements,

information and suggestions contained in the document do not constitute any explicit or implicit

guarantee.

Trademark

The trademark is registered and owned by Fibocom Wireless Inc.

Versions

Version

Date

Remarks

V1.0.0

2012-12-10

Initial Version

V1.0.1

2013-01-31

Modify:

AT&V/AT&W/ATS24/ATO/AT+CPAS/AT+CLCC/AT+CLCK/AT+CBAUD/

AT+IPR/AT+CFUN/

Add: AT+GTGIS/AT+GTSET/AT+GTTS

V1.0.2

2013-03-08

1,To modify at+cgmm example

2,Modify "D>mem<n>[;]" to "D>"mem"<n>[;]"

3,Modify "+CLCK: ERROR" to "+CLCK: ERROR"

4, Add chapter 15

V1.0.3

2013-04-27

1, change number type 129 to 161 and 128 to 129

2,Change CDS to ODM

3,Add UART2 configuration

4,Add ERROR CODE

5, Update IPR baud rate

V1.0.4

2013-05-09

Some content is transferred to supplementary document

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243

V1.0.5

2013-08-01

1, Add AT+MSMPD

2, Add AT+GTWD

3, Add ati0

4, Update Error Code

5,Update the default value of AT&D

6,Add MMGR and MMGL

7,Add +GTSET, +MIPDSETS, +MIPDNS

V1.0.6

2013-10-12

Update section 3.5, section 3.8, section 4.1.4, section 4.1.5 and 10.2.1

Add section 4.1.5, section 9.1.6, section 9.1.7, section 9.1.8, section

9.1.9, section 9.1.10 and section 13.1.20.

V1.0.7

2013-10-26

Update the document name and applicability table

V1.0.8

2013-11-14

Update section 10.2.1

V1.0.9

2013-11-26

Update the example of section 3.2, section 7.1.6 and section 8.1.5;

Add +MMAD, +MTSM;

Update parameter description of +CBAUD and +IPR.

V1.1.0

2014-03-28

Add MSTART commands;

Update the example of CLCK,MCI,MIPSETS;

Update the parameters of CBAUD and IRP.

V1.1.1

2014-07-15

Update section 13.1.1; MIPCALL

Add section 13.1.2; AT+MGAUTH

Add section 11.2.12; AT+MATONE

Add the parameters of +MCELL of section 9.1.6

Add the parameters of section 9.1.7

Update the example of section 9.1.7

Add CGED command;refer to《AT+CGED Commands Note》

V1.1.2

2014-08-05

Update the layout error of ++MATONE

V1.1.3

2014-10-27

Add the commands of +MJDC Jamming Detection and +MJDC

Indication.

V1.1.4

2015-01-21

Add the section of 13.1.21 +MIPNTP, Synchronize the local time via

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NTP

V1.1.5

2015-04-13

Update some command parameters;

Add the section 9.1.14 and 9.1.15;

Update the file-name;

V1.1.6

2015-04-26

Update the description of copyright and attention.

Applicability Table

No.

Type

Note

G510

G510S

G520

G610-A20-xx

G620-A20-xx

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Contents

1 Preface......................................................................................................................................................................11

1.1 Manual Scope.............................................................................................................................................. 11

1.2 Target Audience........................................................................................................................................... 11

2 Introduction to AT Commands.............................................................................................................................. 12

2.1 AT Commands Overview........................................................................................................................... 12

2.2 General System Abbreviations................................................................................................................. 12

2.3 AT Commands Protocol..............................................................................................................................12

2.4 AT Commands Structure............................................................................................................................13

2.4.1 General Symbols Used in AT Commands Description............................................................. 13

2.4.2 Command Structure........................................................................................................................ 13

2.4.3 Results Code Structure...................................................................................................................14

2.5 Command Syntax........................................................................................................................................14

3 Modem ID.................................................................................................................................................................16

3.1 +CGMI, +GMI, +FMI, Request Manufacturer ID....................................................................................16

3.2 +CGMM, +GMM, +FMM, Request Model ID..........................................................................................16

3.3 +CGMR, +GMR, +FMR, Request Revision............................................................................................17

3.4 +CGSN, +GSN, Request Product Serial Number Identification......................................................... 17

3.5 +CSCS, Select Terminal Character Set.................................................................................................. 18

3.6 +CIMI, Request IMSI.................................................................................................................................. 19

3.7 +CFSN, Read Factory Serial Number..................................................................................................... 19

3.8 Request Identification Information............................................................................................................20

3.9 +CNUM, Request MSISDN(s).................................................................................................................. 20

3.10 +CLAC, List of All Available AT Commands......................................................................................... 21

4 Modem Control and Status................................................................................................................................... 22

4.1 Modem Register Commands.................................................................................................................... 22

4.1.1 V, Module Response Format......................................................................................................... 22

4.1.2 Q, Result Code Suppression......................................................................................................... 23

4.1.3 E, Command Echo.......................................................................................................................... 24

4.1.4 S, Bit Map Registers........................................................................................................................25

4.1.5 S12..................................................................................................................................................... 26

4.1.6 &V, View Configuration................................................................................................................... 26

4.1.7 &F, Set to Factory Defined Configuration.................................................................................... 27

4.1.8 Z, Reset to Default Configuration..................................................................................................28

4.1.9 &W, Store User Profile.................................................................................................................... 28

4.1.10 +CRSM, Restricted SIM Access................................................................................................. 29

4.1.11 +CCID.............................................................................................................................................. 34

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4.2 Sleep Mode Commands............................................................................................................................ 35

4.2.1 S24, Set Number of Seconds Delay Before Module Enters Sleep Mode..............................35

4.3 Error Handling Commands........................................................................................................................ 36

4.3.1 +CMEE, Report Mobile Equipment Error.................................................................................... 36

4.3.2 +CEER, Extended Error Report.................................................................................................... 37

4.4 +MSTART, Start message notification.....................................................................................................38

5 Call Control.............................................................................................................................................................. 39

5.1 Call Control AT Commands....................................................................................................................... 39

5.1.1 D, Dial Command............................................................................................................................ 39

5.1.2 D>, Direct Dialing from Phone Books.......................................................................................... 40

5.1.3 DL, Dial Last Number......................................................................................................................41

5.1.4 H, Hang-up Call................................................................................................................................42

5.1.5 A, Answer Incoming Call.................................................................................................................43

5.1.6 +CRC, Cellular Result Codes and RING, +CRING - Incoming Call Indication.....................44

5.1.7 +CLIP, Calling Line Identification.................................................................................................. 46

5.1.8 +CLIP Indication...............................................................................................................................46

5.1.9 +CCWA, Call Waiting Command.................................................................................................. 48

5.1.10 +CCWA Indication......................................................................................................................... 49

5.1.11 +CHLD, Call Related Supplementary Services Command.................................................... 51

5.1.12 +CCFC, Call Forwarding Number and Conditions.................................................................. 53

5.1.13 +CLIR, Calling Line Identification Restriction........................................................................... 56

5.1.14 O, Return to Online Data State................................................................................................... 58

5.1.15 +CHUP, Hang up Call................................................................................................................... 59

5.1.16 +MDC, Selection of Desired Message to Be Displayed Upon Connection of a Voice Call59

5.1.17 +MHUP, Module Hung UP call.................................................................................................... 60

5.2 Call Status Messages.................................................................................................................................61

5.2.1 +CPAS, Phone Activity Status....................................................................................................... 61

5.2.2 +CLCC, List Current Calls..............................................................................................................62

5.3 Supplementary Services............................................................................................................................ 65

5.3.1 +CSSN, Supplementary Service Notifications............................................................................65

5.3.2 +CUSD, Unstructured Supplementary Service Data.................................................................68

5.3.3 +COLP, Connected Line Identification Presentation................................................................. 73

6 Phone and Date Books and Clock.......................................................................................................................75

6.1 Directory Access Commands - Phone Book.......................................................................................... 75

6.1.1 +CPBS, Select Phone Book Memory...........................................................................................75

6.1.2 This command handles the selection of the memory to be used for reading and writing

entries in the Module’s phone book’s memory..................................................................................... 75

6.1.3 +CPBR, Read Phone Book Entries.............................................................................................. 76

6.1.4 +CPBF, Find Phone Book Entries.................................................................................................78

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6.1.5 +CPBW, Write Phone Book Entry.................................................................................................79

6.2 System Date and Time Access Commands........................................................................................... 81

6.2.1 +CCLK, Read/Set System Date and Time.................................................................................. 81

7 SMS.......................................................................................................................................................................... 83

7.1 SMS Commands......................................................................................................................................... 83

7.1.1 +CPMS, Preferred Message Storage.......................................................................................... 83

7.1.2 +CMGF, Message Format..............................................................................................................84

7.1.3 +CSCA, Service Center Address.................................................................................................. 85

7.1.4 In SMS text mode, SCA stored in SIM is added to any stored and sent SMS......................85

7.1.5 +CSMP, Set Text Mode Parameters.............................................................................................89

7.1.6 +CSDH, Show Text Mode Parameters.........................................................................................91

7.1.7 +CNMI, New Message Indications to Terminal...........................................................................92

7.1.8 +CMTI, Unsolicited Response (New SMS-DELIVER Receipt Indication)............................. 95

7.1.9 +CMT, Unsolicited Response (New SMS-DELIVER Receipt)................................................. 95

7.1.10 +CDS, Unsolicited Response (New SMS-STATUS-REPORT Receipt)...............................97

7.1.11 +CMGL, +MMGL,List Messages.................................................................................................98

7.1.12 +CMGR, +MMGR, Read Message.......................................................................................... 102

7.1.13 +CMSS, Send Message from Storage.................................................................................... 109

7.1.14 +CMGW, Write Message to Memory....................................................................................... 110

7.1.15 +CMGD, Delete Message.......................................................................................................... 116

7.1.16 +CMGS, Send SM to Network.................................................................................................. 117

8 Access and Security............................................................................................................................................. 119

8.1 Access Control Commands..................................................................................................................... 119

8.1.1 A/, Repeat Last Command...........................................................................................................119

8.1.2 AT, Check AT Communication......................................................................................................119

8.1.3 +CPIN, Enter PIN for Unlocking SIM Card or Enter PUK for Unblocking SIM Card......... 120

8.1.4 +TPIN, Query Number of Remaining SIM PIN/PUK Entering Attempts.............................. 123

8.1.5 +CPWD, Change Password........................................................................................................ 124

8.1.6 +CLCK, Facility Lock.................................................................................................................... 126

9 Network.................................................................................................................................................................. 129

9.1 Network Commands................................................................................................................................. 129

9.1.1 +CSQ, Signal Strength................................................................................................................. 129

9.1.2 +CREG, Network Registration Status........................................................................................130

9.1.3 +CGREG, GPRS Network Registration.....................................................................................131

9.1.4 +COPS, Operator Selection........................................................................................................ 133

9.1.5 +CPOL, Preferred Operators.......................................................................................................136

9.1.6 +MCELL, Module Cell Description............................................................................................. 139

9.1.7 +MCELL Indication........................................................................................................................ 140

9.1.8 +MCI, Module Cell Information................................................................................................... 143

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9.1.9 +MCI Indication..............................................................................................................................145

9.1.10 +CA Indication..............................................................................................................................145

9.1.11 +MJDC Jamming Detection.......................................................................................................146

9.1.12 +MJDC Indication........................................................................................................................147

9.1.13 +CGED, Module Cell Description.............................................................................................148

9.1.14 +CBAND, Change Radio Band.................................................................................................149

9.1.15 +GTPLMNLS, Clear Arfcn list................................................................................................... 151

10 Hardware Information........................................................................................................................................153

10.1 Hardware Information Commands.......................................................................................................153

10.1.1 +MMAD, Query and Monitor ADC Value.................................................................................153

10.1.2 +MTSM, Temperature Sensor Measurement......................................................................... 154

10.1.3 +CBC, Battery Charger Connection.........................................................................................156

10.1.4 +CBAUD, Baud Rate Regulation..............................................................................................157

10.1.5 +IPR, Local Terminal Serial Port Rate.....................................................................................158

10.1.6 &K, RTS/CTS Flow Control....................................................................................................... 160

10.1.7 +IFC, RTS/CTS Flow Control....................................................................................................161

10.1.8 &C, Circuit 109 Behavior............................................................................................................162

10.1.9 &D, Circuit 108 Behavior............................................................................................................163

10.1.10 +CFUN, Shut Down Phone Functionality............................................................................. 164

10.1.11 +ICF, DTE-DCE Character Framing...................................................................................... 166

10.1.12 +MRST, Perform Hardware power down.............................................................................. 167

10.1.13 +WRIM, RI signal width setting.............................................................................................. 167

10.1.14 +MSMPD, Enable/Disable SIM Card Hot Plug.................................................................... 169

10.1.15 +GTWD, Enable/Disable Watchdog...................................................................................... 170

10.2 UART2 Configuration............................................................................................................................. 170

10.2.1 +GTSET=”UARTMODE”, switch UART2 work mode........................................................... 171

10.2.2 +GTSET=”UARTREV”, report data mode...............................................................................171

10.2.3 +UARTSEND, Send data to UART2........................................................................................171

10.2.4 UART2 use for AT Command....................................................................................................172

11 Audio.....................................................................................................................................................................174

11.1 Scope........................................................................................................................................................ 174

11.2 General Audio Commands.................................................................................................................... 174

11.2.1 +CRSL, Call Ringer Level.......................................................................................................... 174

11.2.2 +CLVL, Loudspeaker Volume....................................................................................................175

11.2.3 +CMUT, Mute/Unmute Microphone Path................................................................................ 175

11.2.4 S94, Sidetone Effect................................................................................................................... 176

11.2.5 S96, Echo Canceling.................................................................................................................. 177

11.2.6 +CALM, Alert Sound Mode........................................................................................................ 177

11.2.7 +VTD, Tone Duration.................................................................................................................. 178

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11.2.8 +VTS, Command-Specific Tone Duration............................................................................... 179

11.2.9 +MAPATH, Audio Path................................................................................................................180

11.2.10 +MAVOL, Volume Setting........................................................................................................ 181

11.2.11 + MMICG, Microphone Gain Value.........................................................................................183

11.2.12 +MATONE，Start or stop the tone play,and the tone plays only once....................... 183

12 GPRS................................................................................................................................................................... 185

12.1 GPRS Functionality................................................................................................................................185

12.2 GPRS Commands..................................................................................................................................185

12.2.1 +CGCLASS, GPRS Mobile Station Class...............................................................................186

12.2.2 +CGDCONT, Define PDP Context........................................................................................... 187

12.2.3 +CGQMIN, Quality of Service Profile (Min Acceptable)....................................................... 189

12.2.4 +CGQREQ, Quality of Service Profile (Requested)..............................................................191

12.2.5 +CGATT, GPRS Attach or Detach............................................................................................193

12.2.6 D*99, Request GPRS Service "D"............................................................................................194

12.2.7 +CGACT, PDP Context Activate or Deactivate...................................................................... 196

12.2.8 +CGPADDR, GPRS Addresses................................................................................................197

13 TCP/IP..................................................................................................................................................................199

13.1 Basic Mode.............................................................................................................................................. 199

13.1.1 +MIPCALL, Create a Wireless Link......................................................................................... 199

13.1.2 +MGAUTH, Set type of authentication.................................................................................... 201

13.1.3 +MIPOPEN, Open a Socket (UDP or TCP)............................................................................202

13.1.4 +MIPCLOSE, Close a Socket................................................................................................... 205

13.1.5 +MIPSETS, Set Size and Timeout for Automatic Push........................................................ 206

13.1.6 +MIPSEND, Send Data..............................................................................................................208

13.1.7 +MIPPUSH, Push Data into Protocol Stack........................................................................... 210

13.1.8 +MIPFLUSH, Flush Data from Buffers.....................................................................................211

13.1.9 +MIPRUDP, Receive Data from UDP Protocol Stack........................................................... 212

13.1.10 +MIPRTCP, Receive Data from TCP Protocol Stack..........................................................212

13.1.11 +MIPDSETS, Set Size and Timeout for Output Received Data........................................213

13.1.12 +MIPSTAT, Status Report........................................................................................................214

13.1.13 +MIPCONF - Configure Internal TCP/IP Stack....................................................................215

13.1.14 +MPING, Start Ping Execution (ICMP Protocol)................................................................. 218

13.1.15 +MPINGSTAT, Status Update for +MPING Execution....................................................... 221

13.1.16 +MSDNS, Set DNS IP Address.............................................................................................. 223

13.1.17 +MIPODM, Open a Socket (UDP or TCP) in Online Data Mode......................................225

13.1.18 +MIPXOFF, Flow Control - Xoff.............................................................................................. 228

13.1.19 +MIPXON, Flow Control - Xon................................................................................................228

13.1.20 +MIPDNS, Resolve Domain name........................................................................................ 228

13.1.21 +MIPNTP, Synchronize the local time via NTP....................................................................229

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13.1.22 +MIPREAD, Receive data from buffer.................................................................................. 230

13.2 HEX Mode................................................................................................................................................232

13.2.1 +MIPSEND (Ctrl-Z)..................................................................................................................... 232

13.2.2 +MIPSEND (Timeout).................................................................................................................232

13.2.3 +MIPSEND (Data length)...........................................................................................................233

13.2.4 +GTSET, HEX mode configuration.......................................................................................... 234

14 Error Code...........................................................................................................................................................236

14.1 CME Error................................................................................................................................................ 236

14.2 CMS Error................................................................................................................................................ 239

14.3 TCP/IP Error............................................................................................................................................ 242

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1 Preface

1.1 Manual Scope

This manual introduces the AT command set, and describes how software developers can use these

commands to communicate with the device, and to create software applications that communicate with

the module using these commands.

Note: The integrator should read the corresponding SW release notes for the module version he is

using to get information about differences from this manual.

1.2 Target Audience

This manual is intended for software developers who communicate with the module using the AT

commands, and create applications to communicate with the module using the AT commands.

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2 Introduction to AT Commands

2.1 AT Commands Overview

AT commands are sets of commands used for communication with the cellular modem. AT commands are

comprised of assemblies of ASCII characters which start with the "AT" prefix (except the commands A/

and +++). The AT prefix is derived from the word Attention, which asks the modem to pay attention to the

current request (command).

AT commands are used to request services from the cellular modem, such as:



Call services: dial, answer and hang up

 Cellular utilities: send/receive SMS

 Modem profiles: Auto Answer



Cellular Network queries: GSM signal quality

2.2 General System Abbreviations

The basic system configuration contains a modem and a terminal.

The G5xx/G6xx is the modem and may be referred to as the DCE or TA, such as the phone, the mobile or

the radio.

The terminal (PC or MCU) may be referred to as the DTE or the TE.

2.3 AT Commands Protocol

The AT commands interface is basically a Modem Services upon Request.Communication (almost)

always begins from the TE side. This means that any service should be requested from the TE. Thus a

request is called a "Command".

Each command must be answered by a "Results code" from the TA. The results code reports the

command status to the TE. Some commands may include several "Results code" to send data back to the

TE. Some commands may initiate a mode in which, when specified events are generated in the

G5xx/G6xx, "Indicator" messages are sent data asynchronously. The “indicators” can be called

“Unsolicited results code”.

The G5xx/G6xx can echo characters received from the TE (commands) back to the TE.

TA (G5xx/G6xx)

Command

Results code

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Figure 2-1 Unsolicited results code

2.4 AT Commands Structure

2.4.1 General Symbols Used in AT Commands Description

The following syntax definitions apply in this chapter:

Syntax

Definition

<CR>

Carriage returns character, specified by the value of the S3-register.

<LF>

Line-feed character, specified by the value of the S4-register.

<…>

Name enclosed in angle brackets is a syntax element. The brackets themselves

do not appear in the command line.

[...]

Optional sub-parameter of a command or an optional part of terminal

information response, enclosed in square brackets. The brackets themselves

do not appear in the command line. When the sub-parameter is not provided in

the parameter type commands, the new value equals its previous value. In

action type commands, the action should be performed on the basis of the

recommended default setting of the sub-parameter.

Denotes a comment, and should not be included in the command.

2.4.2 Command Structure

Each AT command has the "AT" or “at” prefix string (except the commands A/ and +++).

Each AT command has the suffix <CR> (except the commands A/ and +++).

TA (G5xx/G6xx)

Command

Results code

TA (G5xx/G6xx)

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Example:

AT+CSQ<CR>

ATS24?<CR>

An AT command line may contain one or more commands. Delimiters are used to separate the

commands from each other. The delimiter is either a semicolon ";" or none, meaning space (basic

commands).

Example:

ATS0=1V1Q0E0<CR>

AT+IFC=0,0;+ICF=3,4;+CNMI

=2,1,0,0,0<CR>

2.4.3 Results Code Structure

By default, the module responds with verbose response codes. The results code prefix is <CR><LF>. The

results code suffix is <CR><LF>.

Example:

The Unsolicited results code is same as the Results code.

2.5 Command Syntax

Execute command syntax

AT+xxx

ATxxx

ATxxx;

Parameter set command syntax

AT+xxx=<Value>

ATxxx=<Value>

Parameter read Command syntax

AT+xxx?

ATxxx?

Parameter test Command syntax

AT+ xxx =?

ATxxx?

<Value> consists of either a numeric constant or a string constant. <compound_value> consist of several

<value> parameters separated by commas.

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Example of compound_value: <value1>,<value2>,…,<valueN>

 Numeric Constants

Numeric constants are expressed in decimal, hexadecimal, or binary form. In the module, the definition of

each command specifies which form is used for values associated with that command.

 String Constants

String constants consist of a sequence of characters, bounded at the beginning and end by the

double-quote character (").

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3 Modem ID

These commands allow the user to query the type of the device that is attached, the technology used in

the device, as well as basic operating information about the module.

3.1 +CGMI, +GMI, +FMI, Request Manufacturer ID

These commands display manufacturer identification. The module outputs a string containing

manufacturer identification information.

Command

Response/Action

AT+CGMI

AT+CGMI?

+CGMI: <manufacturer_ID>

AT+GMI

AT+GMI?

+GMI: <manufacturer_ID>

AT+FMI

AT+FMI?

+FMI: <manufacturer_ID>

Example:

AT+CGMI

+CGMI: " Fibocom "

3.2 +CGMM, +GMM, +FMM, Request Model ID

These commands request the model identification. The module outputs a string containing information

about the specific model, including a list of the supported technology used, and the particular model

number.

Command

Response/Action

AT+CGMM

AT+CGMM?

+CGMM: <list of supported technologies>,<model>

AT+GMM

AT+GMM?

+GMM: <list of supported technologies>,<model>

AT+FMM

AT+FMM?

+FMM: <list of supported technologies>,<model>

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Example:

AT+CGMM?

+CGMM: "GSM900/1800”,”G510"

The following table shows the +CGMM string parameters.

String

Description

"GSM900"

EGSM at 900 MHz

"GSM1800"

DCS at 1800 MHz

3.3 +CGMR, +GMR, +FMR, Request Revision

These commands request the revision identification. The module outputs a string containing the revision

identification information of the software version contained within the device.

Command

Response/Action

AT+CGMR

AT+CGMR?

+CGMR: <revision>

AT+GMR

AT+GMR?

+GMR: <revision>

AT+FMR

AT+FMR?

+FMR: <revision>

Example:

AT+CGMR

+CGMR: "G510_V0D.00.16"

3.4 +CGSN, +GSN, Request Product Serial Number

Identification

This command displays the product serial number identification IMEI (International Mobile Equipment

Identification). It can be used even when the SIM card is not inserted.

Command

Response/Action

AT+CGSN

AT+CGSN?

+CGSN: <imei>

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AT+GSN

AT+GSN?

+GSN: <imei>

The following table shows the +CGSN, +GSN parameters.

Description

<imei>

The IMEI (International Mobile Station Equipment Identity) number is

comprised of 15 digits, as specified by GSM 03.03 [3]. IMEI numbers are

composed of the following elements, all in decimal digits:

Type Approval Code (TAC) - 6 digits

Serial Number (SNR) - 6 digits

Spare digit - 1 digit

The TAC and SNR are protected against unauthorized changes.

Example:

AT+CGSN?

+CGSN: “004400013805666”

3.5 +CSCS, Select Terminal Character Set

This command selects the character set. The module supports the following character sets:

"IRA","GSM","UCS2", and “HEX". The default value is “IRA”.

Command

Syntax

Response/Action

Set

+CSCS=[<chset>]

or:

+CMS ERROR: <err>

Read

+CSCS?

+CSCS: <selected character set>

Test

+CSCS=?

+CSCS: (<supported character sets>)

The following table shows the +CSCS parameter optional values.

<chset>

Character Set

“IRA”

International Reference Alphabet (ITU-T T.50)

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“GSM”

GSM default alphabet (GSM 03.38 subclause 6.2.1)

"UCS2"

2-byte Universal Character Set, Unicode (ISO/IEC 10646 [32])

“HEX”

Character strings consist only of hexadecimal numbers from 00 to FF

“8859-1”

8-bit Character Set

3.6 +CIMI, Request IMSI

This command displays the International Mobile Subscriber Identity number.

Command

Response/Action

AT+CIMI

AT+CIMI?

+CIMI: <imsi>

or:

+CME ERROR: <err>

Example:

AT+CIMI

+CIMI: 314566320021400

3.7 +CFSN, Read Factory Serial Number

This command is used to query the factory serial number.

Command

Response/Action

AT+CFSN

AT+CFSN?

+CFSN: <fsn>

Example:

AT+CFSN

+CFSN: “000000000”

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3.8 Request Identification Information

This command displays various module information items.

Command

Response/Action

ATIn

or:

+CME ERROR: <err>

The following table shows the information items that are supported by the module.

ATIn

Description

Output

Reference

ATI

Reports version build time

“20130620Thu1600”

ATI0

Reports version build time

“20130620Thu1600”

ATI1

Reserve

ATI2

Reserve

ATI3

Reports product

description

“G510 GPRS Module”

ATI4

Reserve

ATI5

Reserve

ATI6

Reserve

ATI7

Reports product

description

"GSM900/1800/850/1900”

ATI8

Reports software version

“G510_V0D.00.XX”

ATI9

Reports hardware version

“G510-Q50_V1.0X”

3.9 +CNUM, Request MSISDN(s)

This command displays up to 2 strings of text information that identify the module. The output string

contains double quotes.

On SIM cards that have EFmsisdn file, the string(s) returned are the MSISDN numbers and their

associated data.

On SIM cards that don't have EFmsisdn file, the strings returned are the MSISDN numbers and their

associated data stored in module NVM.

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Command

Response/Action

+CNUM

+CNUM?

(MSISDN supported)

+CNUM:

[<MSISDN1_string>],<MSISDN1>,<MSISDN1_type><CR><LF

[+CNUM:

[<MSISDN2_string>],<MSISDN2>,<MSISDN2_type>]<CR><L

[...]

+CNUM

+CNUM?

(MSISDN not supported)

+CNUM: <phone_number>

The following table shows the +CNUM parameters.

Description

Phone number type

161 Use for local call

145 Use “+” for international access code

129 Unknown

Example:

AT+CNUM?

+CNUM: "VoiceMail","098765432109876543210987654321",129

3.10+CLAC, List of All Available AT Commands

Command

Syntax

Response/Action

Remarks

Execute

+CLAC

List of available AT

commands

The Execute command displays a list of

all the AT commands supported by the

module.

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4 Modem Control and Status

4.1 Modem Register Commands

The module holds certain data items in selected memory space, named Software Registers (S-registers)

and Modem Registers. Some of these registers are used as bitmaps, where one register holds more than

one data item.

All S-registers can be accessed using the S command, described in “S, Bit Map Registers”. Some

registers can also be accessed using dedicated commands, detailed below.

4.1.1 V, Module Response Format

This command determines the response format of the data adapter and the contents of the header and

trailer transmitted with the result codes and information responses. This command also determines

whether the result codes are transmitted in a numeric or an alphabetic ("verbose") form. The text portion

of information responses is not affected by this setting.

The following table shows the effect that setting this parameter has on the format of information text and

result codes.

V0V1Information Responses

0 - "OK"

1 - "CONNECT"

2 - "RING"

3 - "NO CARRIER"

4 - "ERROR"

5 - "NO DIALTONE"

6 - "BUSY"

7 - "NO ANSWER"

8 - “NOT SUPPORT”

9 - “INVALLID COMMAND LINE”

10 - “\r\n”

Command

Syntax

Response/Action

Remarks

Set

ATV<value>

The Set command sets the format

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or:

+CME ERROR: <err>

of information responses and result

codes.

The following table shows the V parameters.

Description

<value>

0 Transmits limited headers and trailers, and numeric text.

1 Transmits full headers and trailers, and verbose response text.

The default value is 1.

Example:

ATV0

ATV1

4.1.2 Q, Result Code Suppression

This command determines whether to output the result codes. Information text transmitted in response to

commands is not affected by the setting of this parameter.

Command

Syntax

Response/Action

Remarks

Set

ATQ<value>

or:

+CME ERROR: <err>

The set commands sets whether or

not to output result codes. Read

ATQ?

Q: <value>

The following table shows the parameters.

Description

<value>

0 Transmit result codes.

1 Suppress result codes.

The default value is 0.

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Example:

ATQ0

ATQ?

Q: 0

ATQ4

ERROR

ATQ1 //No response because result codes are suppressed.

ATQ4 //No response because result codes are suppressed.

4.1.3 E, Command Echo

This command defines whether input characters are echoed to output. If so, these characters are echoed

at the same rate, parity and format at which they were received.

Command

Syntax

Response/Action

Remarks

Set

ATE<value>

or:

+CME ERROR: <err>

The Set command sets whether or

not to echo characters.

Read

ATE?

<value>

The Test command for E is not

defined by ITU, and therefore is not

supported by the module. The

module returns an error.

The following table shows the E parameters.

Description

<value>

000 Does not echo characters

001 Echoes characters

The default value is 1.

Example:

ATE?

001

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4.1.4 S, Bit Map Registers

This command reads/writes values of the S-registers. The module supports this command for various S

values, according to official specifications (ITU-I, ETSI, or manufacturer specific).

Command

Syntax

Response/Action

Remarks

Set

ATSn=<value>

or:

+CME ERROR: <err>

The Set command is allowed for

read/write S-registers, and not

allowed for read-only S-registers.

Read

ATSn?

<current value of

S-register n>

or:

+CME ERROR: <err>

Test

The Test command for Sn is not

defined by ITU, and therefore is not

supported by the Module. The G5xx

returns an error.

The following table shows the different S-registers and their associated values.

Description

Min

Max

Default

Sets/gets number of rings before auto answer.

255

Sets/gets carriage return code character.

127

Sets/gets line feed code character.

127

Sets/gets command line editing character(backspace).

127

S12

Sets/gets guard time (in units of 50 msec) for the

escape character during ODM connections

255

Note: S0 (Auto Answer) should work regardless of the DTR HW line state. This is a deviation from the

ITU V. 25-ter standard.

Example:

ATS0?

000

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ATS0=3

ATS0?

003

4.1.5 S12

This command handles the selection of the guard time, which is stored in S-Register 12, and specifies the

behavior of escape characters during ODM connection.

Note: For a guard time specified by S-Register 12, no character should be entered before or after "+++".

The duration between escape codes must be smaller than the guard time.

Command

Syntax

Response/Action

Remarks

Set

S12=<guard_tim

+CME ERROR:

<err>

The Set command sets the ODM

escape character guard time value if

all parameters are valid.

Read

S12?

<guard_time>

The Read command displays the

current ODM escape character guard

time.

The following table shows the S12 parameters.

Description

<guard_time>

ODM escape character guard time (units of 50 msec). Range is 0 to 255.

The default value is 50.

4.1.6 &V, View Configuration

This command reports the current S-registers.

Command

Syntax

Response/Action

Remarks

Execute

ACTIVE PROFILE:

...

(profile data)

STORED PROFILE 0:

The Execute command displays the

current active configuration.

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...

(profile data)

+CME ERROR: <err>

Example:

AT&V

ACTIVE PROFILE

&C1, &D1, &K3, E1, Q0, V1, X0, S0:0, S3:13, S4:10, S5:8, +CRC: 0

STORED PROFILE 0:

&C1, &D2, &K3, E1, Q0, V1, X0, S0:0, S3:13, S4:10, S5:8, +CRC:0

4.1.7 &F, Set to Factory Defined Configuration

This command restores the factory default configuration profile. The Module only supports one factory

default profile, 0.

Command

Syntax

Response/Action

Remarks

Set

AT&F<value>

or:

+CMS ERROR: <err>

Read

AT&F?

Test

The Test command for &F is not

defined by ITU, and therefore is not

supported by the Module. The

Module returns an error.

The following table shows the &F parameters.

Description

<value>

0 Factory default configuration profile. This is the only value supported.

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Example:

AT&F?

&F: 0

4.1.8 Z, Reset to Default Configuration

This command drops the current call, and resets the values to default configuration.

Command

Syntax

Response/Action

Remarks

Set

ATZ<value>

or:

+CMS ERROR:

<err>

Read

The Read command for Z is not defined,

and therefore is not supported by the

Module. The Module returns an error.

Test

The Test command for Z is not defined, and

therefore is not supported by the Module.

The Module returns an error.

The following table shows the Z parameters.

Description

<value>

0 Set to user profile 0

The default value is 0.

Example:

ATZ0

4.1.9 &W, Store User Profile

This command saved the active profile to one of two user profiles.

Note: The user must power off the module in regular process. Otherwise, this command cannot be in

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effect.

Command

Syntax

Response/Action

Remarks

Set

&W[<n>]

or:

+CME ERROR:

<err>

Set command stores the current active

configuration to user profile 0.

The following table shows the &W parameters.

Description

<n>

profile number:

0 Store to user’s profile 0

Example:

AT&W0

4.1.10+CRSM, Restricted SIM Access

This command provides limited access to the Elementary Files on the SIM. Access to the SIM database is

restricted to the commands which are listed at <command>. All parameters of AT+CRSM are used as

specified by GSM 11.11 version 8.7.0. As response to the command, the Module sends the actual SIM

information parameters and response data. Error result code "+CME ERROR" may be returned if the

command cannot be transferred to the SIM, e.g. if the SIM is not inserted, or defected, or PIN1/PUK

authentication required, or required input parameters not present. However, failure in the execution of the

command in the SIM is reported in <sw1> and <sw2> parameters.

Some AT+CRSM commands require PIN/PIN2 authentication.

Command

Syntax

Response/Action

Remarks

Set

AT+CRSM=<comman

d>[,<file_id>[,<P1>,<

P2>,<P3>[,<data>]]]

+CRSM:

<sw1>,<sw2>[,<response

or:

+CME ERROR: <err>

Set command transmits the SIM

<command> and its required

parameters to the ME. ME sends

the actual SIM information

parameters and response data.

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Test

AT+CRSM=?

+CRSM:

(list of

supported<command>s),

(possible <file_id>s range

value),(possible <P1>

range value), (possible

<P2> range

value),(possible

<P3>range value),

or:

+CME ERROR: <err>

The test command returns the

possible ranges of CRSM

Parameters.

The following table shows the +CRSM parameters.

Description

Integer type. Command passed on by the ME to the SIM.

176 Read BINARY

178 Read RECORD

192 Get RESPONSE

214 Update BINARY

220 Update RECORD

242 STATUS

<file_id>

Integer type. This is the identifier of a elementary data file on SIM.

Mandatory for every <command> except of STATUS.

Integer type. Parameters passed on by the ME to the SIM. These

parameters are man- datory for every command, except GET RESPONSE

and STATUS.

READ BINARY

<P1> Offset high (0...255)

<P2> Offset low (0...255)

<P3> Length (0...255)

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READ BINARY

<P1> Rec. No. (0...255)

<P2> Mode "02" = next record

"03" = previous record

"04" = absolute mode/current mode, the record number is given in P1 with

P1='00' denoting the current record.

<P3> Length (0...255)

GET RESPONSE

<P1> "00"

<P2> "00"

<P3> Length (0...255)

UPDATE BINARY

<P1> Offset high (0...255)

<P2> Offset low (0...255)

<P3> Length (0...255)

UPDATE RECORD

<P1> Rec. No. (0...255)

<P2> Mode "02" = next record

"03" = previous record

"04" = absolute mode/current mode, the record number is given in P1 with

P1='00' denoting the current record.

<P3> Length (0...255)

STATUS

<P1> "00"

<P2> "00"

<P3> Length (0...255)

<data>

Information which shall be written to the SIM (hexadecimal character

format). Man- datory for UPDATE BINARY and UPDATE RECORD.

Integer character format. Information, from the SIM, about the execution of

the actual command. These parameters are delivered to the TE in both

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cases, on successful or failed execution of the command.

Responses to commands which are correctly executed:

<sw1><sw

Description

1440Normal ending of the command

145XXNormal ending of the command, with extra

information from the proactive SIM, containing a

command for the ME.

Length 'XX' of the response data.

158XXLength 'XX' of the response data given in case of a

SIM data download error.

159XXLength 'XX' of the response data.

Responses to commands which are postponed:

<sw1><sw

Error Description

1470SIM Application Toolkit is busy. Command cannot

be executed at present, further normal commands

are allowed.

1460XCommand successful but after using an internal

update retry routine 'X' times.

14664Memory problem.

1480No EF selected.

1482Out of range (invalid address).

1484• File ID not found.

• Pattern not found.

1488File is inconsistent with the command

1522No CHV initialized

1524• Access condition not fulfilled.

• Unsuccessful CHV verification, at least one

attempt left.

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• Unsuccessful UNBLOCK CHV verification, at least

one attempt left.

• Authentication failed.

1528In contradiction with CHV status.

15216In contradiction with invalidation status.

15264• Unsuccessful CHV verification, no attempt left.

• Unsuccessful UNBLOCK CHV verification, no

attempt left.

• CHV blocked.

• UNBLOCK CHV blocked.

<sw1><sw2>Error Description

15280Increase cannot be performed, Max value reached.

103XXIncorrect parameter P3

(Note: 'XX' gives the correct length or states that no

additional information is given ('XX' = '00').

107XXIncorrect parameter P1 or P2.

109XXUnknown instruction code given in the command.

110XXWrong instruction class given in the command.

111XXTechnical problem with no diagnostic given.

Response of a successful completion of the command previously issued

(hexadecimal character uppercase format). STATUS and GET RESPONSE

return data, which gives information about the current elementary data

file_id. This information includes the type of file and its size (refer to GSM

11.11). After READ BINARY or READ RECORD command the requested

data will be returned. <response> is not returned after a successful

UPDATE BINARY or UPDATE RECORD command.

Example:

AT+CRSM=176,28478,0,0,20

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+CRSM: 103,4,"9F0F00003F000100000090000200009000563412"

AT+CRSM=192,12258

+CRSM: 144,0,"0000000A2FE2040004FF4401020000"

AT+CRSM=?

+CRSM: (176,178,192,214,220,242),(12037-28599),(0-255),(0-255),(0-255)

4.1.11+CCID

This command returns the card identification number in SIM (SIM file EFICCID, see GSM 11.11

Chap.10.1.1) as string type.

Command

Syntax

Response/Action

Set

AT+CCID

+CCID: <ID>

or:

+CME ERROR: <err>

Read

AT+CCID?

Same as above

Test

AT+CCID=?

Example:

AT+CCID

+CCID: 89860018190839008096

AT+CCID=?

AT+CCID?

+CCID: 89860018190839008096

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4.2 Sleep Mode Commands

When the Module is connected using UART connection to external device, a sleep mechanism is

available. In order to improve the power consumption, the Module supports a low-power consumption

mode, called "Sleep mode". The Module has internal decision conditions for entering and exiting sleep

mode. As the terminal and the Module operate in a combined system, and as the communication between

the Module and the terminal must be reliable, there should be a mechanism agreed upon by both the

Module and the terminal to coordinate their separate sleep mode entering and exiting sequences. The

Module will not enter sleep mode unless the terminal enables the Module by AT commands.

The following are the Sleep mode AT commands:

ATS24: Activates/deactivates Sleep mode.

The Module receives a request to activate or deactivate Sleep mode.

The Module receives a request to define the behavior of the CTS line when the Module is in Sleep mode.

It enables or disables activation of the CTS line after wakeup.

4.2.1 S24, Set Number of Seconds Delay Before Module Enters

Sleep Mode

This command activates/disables the Sleep mode. The terminal sends ATS24=5, and if there are no radio

and UART activities, the Module enters sleep mode in 5 seconds. it can see.

Command

Syntax

Response/Action

Remarks

Set

ATS24=[<value>]

The Set command sets the amount of

time, in seconds; the Module should

wait before entering Sleep mode.

Read

ATS24?

<value>

The Read command returns the current

value.

The following table shows the S24 parameters.

Description

<value>

Number of seconds (0 <= n <= 255)

0 Disable Sleep mode

>0 Enable Sleep mode

The default value is 000.

Example:

ATS24?

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000

ATS24=5

OK //The Module enter Sleep Mode at once

ATS24?

005

(If there are no radio and UART activities, the Module will enter sleep mode in 5 seconds)

4.3 Error Handling Commands

4.3.1 +CMEE, Report Mobile Equipment Error

The Set command disables or enables the use of result code +CME ERROR: <err> as an indication of an

error relating to the functionality of the Module. When enabled, Module-related errors cause a +CME

ERROR: <err> final result code instead of the regular ERROR final result code. Usually, ERROR is

returned when the error is related to syntax, invalid parameters or terminal functionality.

For all Accessory AT commands besides SMS commands, the +CMEE set command disables or enables

the use of result code +CME ERROR: <err> as an indication of an error relating to the functionality of the

Module. When enabled, Module related errors cause a +CME ERROR: <err> final result code instead of

the regular ERROR result code.

For all SMS AT commands that are derived from GSM 07.05, the +CMEE Set command disables or

enables the use of result code +CMS ERROR: <err> as an indication of an error relating to the

functionality of the Module. When enabled, Module-related errors cause a +CMS ERROR: <err> final

result code instead of the regular ERROR final result.

Command

Syntax

Response/Action

Remarks

Set

AT+CMEE=[<n>]

or:

+CME ERROR: <err>

The Set command enables or disables the

use of result code +CME ERROR: <err> as

an indication of an error relating to the

functionality of the Module.

Read

AT+CMEE?

+CMEE: <n>

The Read command returns the current

setting format of the result code.

Test

AT+CMEE=?

+CMEE: (list of

supported <n>s)

The Test command returns values

Supported by the terminal as a compound

value.

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The following table shows the +CMEE parameters.

Description

<n>

0 Disable the +CME ERROR: <err> result code and use ERROR.

1 Enable the +CME ERROR: <err> or +CMS ERROR: <err> result codes and use

numeric <err> values or +STK ERROR: <err> result codes and use numeric <err>

values.

2 Enable the +CME ERROR: <err> or +CMS ERROR: <err> result codes and use

verbose <err> values or +STK ERROR: <err> result codes and use numeric <err>

values.

The default value is 0.

Example:

AT+CMEE=0 //+CME ERROR is not used

AT+VTD

ERROR

AT+CMEE=1 //Use numeric <err>

AT+VTD

+CME ERROR: 3

AT+CMEE=2 //Use verbose <err>

AT+VTD

+CME ERROR: operation not allowed

4.3.2 +CEER, Extended Error Report

This execution command returns an extended error report containing one or more lines of information text

<report>, determined by the manufacturer, providing reasons for the following errors:

 Failure in the last unsuccessful call setup (originating or answering) or the in-call modification.

 Last call release.

Typically, the text consists of a single line containing the reason for the error according to information

given by GSM network, in textual format.

Command

Syntax

Response/Action

Execute

AT+CEER

+CEER: <report>

Test

AT+CEER=?

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4.4 +MSTART, Start message notification

This command can Enable/Disable module output start message when power up.

Command

Syntax

Response/Action

Set

+MSTART=<at start>,<sim ready>

or:

ERROR

Read

+ MSTART?

+MSTART: <at start>,<sim ready>

Test

+MSTART=?

+MSTART: (0-1,0-1)

The following table shows the +MSTART parameters.

Description

0: Do not output “AT command ready” from UART

1: Output “AT command ready” from UART (default value)

0: Do not output “+SIM READY” after SIM init OK

1: Output “+SIM READY” after SIM init OK (default value)

Example:

AT+MSTART=?

+MSTART: (0,1),(0,1)

AT+MSTART=1,1

AT+MSTART?

+MSTART: 1,1

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5 Call Control

5.1 Call Control AT Commands

5.1.1 D, Dial Command

This command places a VOICE call on the current network.Call type is a voice call. For more information

about call failure, should use the AT+CEER command.

Note: If there is an active voice call and the terminal sends another ATD voice call command to the

Module, the active call is put on hold and the new number is called.

Command

Response/Action

ATD<number>[;]

VOICE CALL:

1st response - Voice call place begins

2nd response - Voice call connected:

When MO call fails:

1. Connection Failure - NO CARRIER or BUSY or NO ANSWER

2. General Failure - ERROR

3. Security reason (such as SIM not present) - OPERATION NOT

ALLOWED

4. Unknown reason - UNKNOWN CALLING ERROR

The following table shows the D parameters.

Description

Valid phone digits are: 0 1 2 3 4 5 6 7 8 9 * # +

The following characters are ignored: A B C D - () / and <space>.

semicolon (;)

When given after <number string>, a voice call is originated to the given

address, otherwise a data call is originated.

The control of supplementary services through the Dial command is not supported as these are controlled

through the specific supplementary service commands (CCFC, CLCK, and so on.)

Initiating a GPRS connection is done through ATD*99#, as described in “D*99.

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Example:

atd44345678; //VOICE call (with semicolon)

atd44345678 //VOICE call (with semicolon)

5.1.2 D>, Direct Dialing from Phone Books

This command places a VOICE call on the current network by dialing directly from the Module phone

book.

Note:

 “+CME ERROR: not found" is returned when no match is found in an existing phone book.



FD phone book supports the (?) wild card character. Telephone numbers containing this character

cannot be dialed directly from the phone book.

 "+CME ERROR: Invalid index" is returned when entry <n> is out of the requested Phonebook range.



When SM phonebook is searched and the given entry value is of the ME phonebook, ME phonebook

will be searched as well (result code would be the same as if MT phonebook was searched).

The following table shows a detailed description for the D> commands.

Command

Detailed Description

D><alpha>[;]

Originates a call to a phone number with the corresponding alphanumeric

field <alpha>. The Current Phone Book (Set by +CPBS) is searched for the

entry that begins with the alphanumeric pattern <alpha>.

D>"mem"<n>[;]

Originates a call to a phone number in memory (phone book) mem and

stored in entry location <n>.

D><n>[;]

Originates a call to a phone number from entry location <n> in the Current

Phone Book (Set by +CPBS).

Note: Current used memory (phone book) set/read is done through the memory command

+CPBS=/+CPBS? respectively.

The following table shows the D> parameters.

Description

<"alpha">

String type value, which should be equal to an alphanumeric field in a phone

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book entry. The used character set should be the one selected with Select

Terminal Character Set +CSCS. <alpha> is case-sensitive, and should be

placed in quotes ("alpha").

<n>

This parameter is also called "speed dial location". It is an integer type

memory location. <n> should be in the range of locations available in the

memory used.

<"mem">

This parameter is not case-sensitive.

Example:

AT+CPBS="SM"

AT+CSCS="IRA"

AT+CPBW=1,"035659090",129,"VoiceMail"

AT+CPBR=1

+CPBR: 001,"035659090",129,"VoiceMail"

atd>”VoiceMail”; //Phonebook by name

ath

NO CARRIER

5.1.3 DL, Dial Last Number

The DL command places a voice call to the last number dialed. The call progress information

(success/failure) is reported in the same way as for the Dial command.

Command

Detailed Description

ATDL[;]

Initial Response - Last Number retrieved:

ATDL: <DIAL DIGITS>

1st response - Voice call placement begins

2nd response - Voice call connected OK

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The following table shows the DL parameters.

Note:

When ATDL is issued after a dialed number with comma digit:

ATDL; dials the exact number that was last dialed, including the DTMF tones sent.

If ATDL is sent before any Dial command was issued (mainly after Power On, when the last number is an

empty field), the Module will return NO CARRIER, as mentioned in the ITU V.25-ter standard.

CCFC（*#21#）,CCWA（*#43#）,CLIP（*#30#）,CLIR(*#31#),COLP(*#76#) will be treat as call number

and dail it again.

Example:

atdl;

ATDL: 035658278;

OK //VOICE call

5.1.4 H, Hang-up Call

This command hangs up a call. The Module terminates the call whether it is a voice call, and whether it is

an incoming, originating, waiting, or connected call.

A NO CARRIER message is returned to the terminal before the regular OK approval.

To terminate a held Voice call or to terminate a call out of a MTPY call, refer to “+CHLD, Call Related

Supplementary Services Command” .

The following table shows the call states of the H command.

Call State

Response/Action

IDLE

Error ("operation not allowed")

Single Active

Call released

MTPY Active

Call released (all calls)

Incoming call (RING)

Call released

Single Active and Waiting Call

Single Active released (waiting not affected)

MTPY Active and Waiting Call

MTPY Active released (waiting not affected)

Single (or MTPY) Active and Single (or MTPY) Held

Single (or MTPY) Active released

Held (Single or MTPY) and Waiting Call

Waiting call released

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Single (or MTPY) Active and Single (or MTPY) Held &

Waiting call

Single (or MTPY) Active released

Example:

RING //Incoming call

ath //Hang-up incoming call

NO CARRIER

OK //Incoming call has been terminated - user determined user busy

RING

ata

OK //Voice call connected

ath //Hang-up connected call

NO CARRIER

OK //Active call has been hung-up - terminated

(... Active multi party call, with 3 numbers …)

ath

NO CARRIER

atd035659260;

ath //Terminate MO voice call while placed

NO CARRIER

5.1.5 A, Answer Incoming Call

This command answers an incoming VOICE call after a RING/+CRING indication is sent to the terminal.

If the incoming call is answered (connected), the Module sends a CONNECT notification to the terminal.

If the MT call fails, the possible notifications are:



NO CARRIER - Connection Failure

 ERROR - General Failure

Note: A waiting call (an incoming call while a call is in progress) is announced by +CCWA rather than

RING. A waiting call can be answered only if it is a voice call. The waiting voice call should be answered

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using the ATA command, which will put the active call on hold and will connect the waiting call, making it

the active call. This ATA action is the same action as AT+CHLD=2.

Example:

Example - Answering a voice call:

AT+CRC=1

+CRING: VOICE

ata

OK //VOICE call connected - Module is in Command mode

ath

NO CARRIER

5.1.6 +CRC, Cellular Result Codes and RING, +CRING - Incoming

Call Indication

This command controls whether or not to present the extended format of an incoming call indication. The

RING/+CRING indication is sent from the Module to the terminal when the Module is alerted by an

incoming call from the network. Once this indication is sent, information is available on the calling line via

+CLIP. When +CRC is disabled, the indication is RING, and when +CRC is enabled, the indication is

+CRING.

Command

Syntax

Response/Action

Remarks

Set

+CRC=<n>

The Set command enables/disables

the extended format of an incoming

call indication. When enabled, an

incoming call is indicated to the

terminal with an unsolicited result code

+CRING: <type> instead of the normal

RING.

Read

+CRC? +CRC: <n>

The Read command queries the

current settings for the cellular result

code.

Test

+CRC=?

+CRC: (list of

The Test command returns the

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supported <n>s)

possible

<n> values.

RING/+CRING Indication

+CRING: <type> or:

RING

The following table shows the +CRC parameters.

Description

<n>

0 Extended format disabled

1 Extended format enabled

The default value is 0.

<type>

ASYNCCSD

REL ASYNCCSD

VOICE

Type of incoming call:

asynchronous transparent

asynchronous non-transparent

Normal voice

Example:

AT+CRC?

+CRC: 0

AT+CRC=?

+CRC: (0-1)

Example - RING/+CRING indication

(..Incoming Call..)

RING

AT+CRC=1 //Enable extended ring format

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+CRING: VOICE

ath

NO CARRIER

5.1.7 +CLIP, Calling Line Identification

This command controls the Calling Line Identity (CLI) presentation indication to the terminal when an

incoming call is detected by the Module.This command allows the user to query the provisioning status of

the CLI by the network and by the Module. The command also allows the user to enable/disable the CLI

presentation by the Module to the terminal. The +CLIP indication information varies depending on what is

provided by the network and what information is stored in the Module phone book.

Command

Syntax

Response/Action

Remarks

Set

AT+CLIP=[<n>]

or:

+CME ERROR:

<err>

The Set command enables or disables the

presentation of the CLI indication from the

Module to the terminal. Note: The Set

command does not address the network.

Read

AT+CLIP?

+CLIP: <n>, <m>

The Read command returns the +CLIP

enable/disable state in the Module as well as

in the network provisioning state of the CLI

presentation.

Test

The Test command returns the Set command

options (0,1).

5.1.8 +CLIP Indication

When the CLI presentation indication is enabled by the Module (<n>=1), this unsolicited indication is sent

to the terminal after the RING indication.

+CLIP: <number>,<type>[,<subaddr>,<satype>[[,<alpha>] [,<CLI validity>]]]

The following table shows the +CLIP parameters.

Description

<n>

Enables/disables the CLI presentation indication after the ring indication:

0 Disable CLI presentation

1 Enable CLI presentation

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The default value is 0.

<m>

Shows the subscriber CLIP service status in the network:

0 CLIP not provisioned

1 CLIP provisioned

2 Unknown (for example, no network and so on)

<"number">

Calling line number. The number format is specified by <type>.

<type>

Type of address octet in integer format:

145 Default when the dialing string includes the international access

code character "+".

161 Default when making a local call.

129 Type of number is unknown (usually the output when the number

itself is unknown).

NULL, field not used (String type subaddress of format specified by

<satype>)

Field not used. Value is always 128 (unknown) - type of sub address octet in

integer format.

<"alpha">

Name of the calling party (if provided by the network or if the number is found

in the Module phone books).

The Validity of the Calling Line Identity presentation:

0 CLI valid.

1 CLI has been withheld by the originator.

2CLI is not available due to networking problems or limitations of the

originating network.

Example:

AT+CLIP=?

+CLIP: (0,1)//CLI presentation is disabled by the G5xx/G6xx (0) and is enabled by the network

(1)

AT+CLIP=1

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Example +CLIP indication:

(…incoming call…)

RING

+CLIP: "13510503472",161,,,"",0

Example +CLIP indication with restricted CLI:

AT+CRC=1

(…incoming call…, caller restricted the CLI presentation (used AT+CLIR)…)

+CRING: VOICE

+CLIP: "",128,,128,"",1 //longzhongyou?

5.1.9 +CCWA, Call Waiting Command

This command controls the Call Waiting supplementary service, including the settings and the queries of

the Module and the network. When the Call Waiting indication is enabled by the Module and there is a

waiting call, a +CCWA: indication is sent from the Module to the terminal. The indication will appear one

time

Note: The Module supports only one of the services at a time: Voice. Multiparty is a voice-only

functionality. A CCWA indication is sent to the terminal only during a voice call-waiting event.

Command

Syntax

Response

Remarks

Set

+CCWA=[<n>

[,<mode>[,<cl

ass>]]]

If <mode>=2 and the

command succeeds:

+CCWA:

<status>,<class1>[<CR><

LF>

+CCWA:

[...]]

The Set command enables/disables the

Call-Waiting indication in the Module and

in the network. Activation, deactivation

and status query are supported.

Note: When the <mode> parameter is set

to 2 (network query), the <n> parameter

is ignored. This means that no

enable/disable action is performed while

querying the network.

Read

+CCWA?

+CCWA: <n>

The Read command returns the

Enable/disable status of the call waiting

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indication in the Module (<n>).

Test

+CCWA=?

+CCWA: (list of

supported <n>s)

The Test command returns <n> values

supported by the Module as a compound

value.

5.1.10+CCWA Indication

When a call-waiting indication is enabled by the Module (<n>=1), the following unsolicited indication is

sent to the terminal from the Module:

+CCWA: <number>,<type>,<class>[,<alpha>] [,<CLI validity>]

The following table shows the +CCWA parameters.

Description

<n>

Enables/disables the call waiting indication to the terminal by the Module.

0 - Disable

1 - Enable

The default value is 0.

<mode>

Call waiting service request to the network. When the <mode> parameter is

not given, the network is not interrogated.

0 - Disable

1 - Enable

2 - Query status

<class>

Sum of integers each representing a class of information.

1 - Voice (telephony)

The default value is 1.

<"number">

Calling line number. The number format is specified by <type>.

<type>

Type of address octet in integer format:

145 - Default when the dialing string includes the international access code

character "+".

161 - Default when making a local call.

129 - Type of number is unknown (usually the output when the number itself

is unknown)

Call waiting support by the network (output for <mode>=2).

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0 - Not active

1 - Active

<"alpha">

Name of the calling party (if provided by the network or if the number is found

in the Module phone books).

The Validity of the Calling Line Identity presentation:

0 - CLI valid.

1 - CLI has been withheld by the originator.

2 - CLI is not available due to networking problems or limitations of the

originating network.

Note: When the parameter <mode> is 2 (Query status), the first parameter is ignored and the third

parameter is always treated as class = 1 unless it was set in Set Mode.

Example:

AT+CCWA=1 //Enable call waiting on Module

AT+CCWA=?

+CCWA: (0-1)

AT+CCWA?

+CCWA: 1

Examples of +CCWA set command - network interrogation

AT+CCWA=1,2 //Class parameter is considered as 7

+CCWA: 1,1 //Call waiting is active for class 1, voice

AT+CCWA=1,2,2 //Class parameter is 2

+CCWA: 0,2 //Call waiting is not active for class 2, data

AT+CCWA=1,1

OK //Enable the call waiting feature in the network, and in the Module

Example +CCWA indication

atd9311234567; //Originate a voice call

OK //Voice call connected

(...conversation...)

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(… call waiting indication received by the Module …)

+CCWA: "+358317654321",145,1,"Bob"

AT+CHLD=0 //Release the waiting call

NO CARRIER

AT+CRC=1 //RING indication is not relevant to CCWA indication

(…waiting call…, caller restricted to its CLI presentation (used AT+CLIR)…)

+CCWA: "",128,1,"",1 //CLI is restricted, but call type recognized as voice

5.1.11+CHLD, Call Related Supplementary Services Command

This command controls the Call Hold and Multiparty Conversation services. This command manipulates

voice calls only. The Set command allows the control of the following call related services:

 Call HOLD: A call can be temporarily disconnected from the Module, but the connection is retained by

the network.

 MTPY (Multi party) Conversation: Conference calls.

The network does not reserve more than one traffic channel for a mobile station; therefore the Module can

have only one call on hold at a time.

Note: Only voice calls can be put on HOLD.

A precondition for the multi-party service is that the Module is in control of one active call and one call on

hold. In this situation, the Module can request the network to begin the MTPY (Multi Party) service. Once

a MTPY call is active, remote parties may be added, disconnected or separated (removed from the MTPY

call, but remain connected to the served mobile subscriber).The maximum number of remote parties is

5.In this command, the term CALL refers to a single or MTPY call.

A single Active call is considered a MTPY call with one call index numbered as 1.

Command

Response/Action

+CHLD=<n>

If the call is terminated:

NO CARRIER

OK (approve request was submitted)

If the call state is changed (link, split, from active to hold, and so on):

OK (approve request was done)

If the call is terminated and another call is answered:

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NO CARRIER

OK (call answered and is now connected)

Command

Syntax

Response/Action

Remarks

Test

+CHLD=?

+CHLD: (list of supported

<n>s)

The Test command returns <n> values

supported by the Module to the

terminal

The following table shows the +CHLD parameters.

Description

<n>

Call hold operation:

0 - Releases all held calls

or:

Sets User Determined User Busy for a waiting call

1 - Releases all active calls and accepts the held or waiting call

1x - Release specific call x, where x is the serial number of a call participating

in an active MTPY call.

2 - Places all active calls on hold and accepts the held or waiting call

2x - In the case of an active MTPY call, places all active calls on hold, except

for call X

x. Call x remains active.

3 - Adds a held call to the conversation – MTPY

Example:

AT+CHLD=?

+CHLD: (0,1,1x,2,2x,3)

AT+CCWA=1 //Enable call waiting

atd9311234567; //Originate a voice call

OK (...conversation...)

+CCWA: "+358317654321 ",145,1,"Bob" //Awaiting call alerts

AT+CHLD=2 //Put first call on hold and answer the second call

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OK (...conversation...)

AT+CHLD=3 //Add the held call to the conversation

(...MTPY conversation...)

AT+CHLD=22 //Split: Place the MO active call on hold, MT call remains active

AT+CHLD=0 //Release the held call

NO CARRIER

ath //Release the active call

NO CARRIER

atd9311234567; //Originate a voice call

+CCWA: "055728386",129,1," ",0 //Waiting call alerts

AT+CHLD=1 //Release the active call, accept the waiting call

NO CARRIER //Active 9311234567 was released

OK //Waiting 055728386 was answered

5.1.12+CCFC, Call Forwarding Number and Conditions

This command enables control of the call-forwarding supplementary service. Registration, erasure,

activation, deactivation, and status query are supported.

Command

Syntax

Response/Action

Remarks

Set

+CCFC=<reason>,

<mode>[,<number

>[,<type>[,<class>[

,<subaddr>[,<saty

pe>[,<time>]]]]]]

If the command succeeds:

+CCFC:

<status>,<class1>[,<number>,<type>[,

<subaddr>,<satype>[,<time>]]]

[<CR><LF>

+CCFC:

<status>,<class2>[,<number>,<type>[,

<subaddr>,<satype>[,<time>]]][...]]

+CCFC: (list of supported <reason>s)

The Set command

instructs the Module

which call forwarding

settings to request from

network. The Set

command, in query

mode, interrogates the

network about the

subscriber current call

forwarding status.

Test

+CCFC=?

+CCFC: <reason>

The Test command

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returns <reason> values

supported by the Module

to the terminal.

The following table shows the +CCFC parameters.

Description

0 - Unconditional

1 - Mobile busy

2 - No reply

3 - Not reachable

4 - All call forwarding

5 - All conditional call forwarding

<mode>

0 - Disable

1 - Enable

2 - Query status

3 - Registration

4 - Erasure

<"number">

Calling line number. The number format is specified by <type>.

<type>

Type of address octet in integer format-.

145 Default when dialing string includes international access code

character "+".

161 Default when making a local call.

NULL, field not used (String type subaddress of format specified by

<satype>).

Field not used. Value is always 129 (unknown) - type of sub address octet in

integer format.

The sum of integers representing a class of information.

1 - Voice

The default value is 1.

<time>

1-30 - The number of seconds to wait before calls are forwarded, when "no

reply" is enabled or queried.

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The default value is 20.

Note: The parameter must be a multiple of 5, for example, 5, 10, 15 and so

on. If not, the module of 5 will be ignored.

0 - Not active

1 - Active

Note: A forward-to phone <number> (and the optional fields <type>, <subaddr> and <satype>) are tied

to a <reason> and a <class>. This means that there can be a different <number> for the same <reason>

because of a different <class>. When registering without mentioning a <class>, <class>=7 is selected.

A <number> field is mandatory when registering (<mode>=3) and it is irrelevant (ignored) in all other

<mode>s.

Example:

AT+CCFC=?

+CCFC: (0-5)

AT+CCFC=0,3,"01256316830",129,1

AT+CCFC=1,3,"0545658278",129,1 //Register UC forward-to of all classes.

AT+CCFC=1,1 //Activate UC forward-to of all classes.

AT+CCFC=1 ,2 //Interrogate reason not-reachable of all classes.

+CCFC: 1,1,"+97254151200",145

OK //For <reason>=3, forward only voice calls is activated.

AT+CCFC=4,2 //Interrogate reason all-call-forwarding for all classes.

+CME ERROR: no network service//Interrogation of <reason>=30 is not supported by network.

AT+CCFC=2,3,"+972545658278"

AT+CCFC=2,0 //Disable call-forwarding for reason no-reply of all classes.

AT+CCFC=2,2

+CCFC: 0,1,"+972545658278",145,,25

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5.1.13 +CLIR, Calling Line Identification Restriction

This command instructs the Module to query, enable or disable the presentation of the CLI (calling line ID)

of a MO call to the called party. The restriction of the CLI (disable presentation) is dependent both on the

Module and on the network.

The network enables three possible provisions of CLIR:

 Not provisioned (CLIR Off - presentation allowed)

 Provisioned permanently



Provisioned with Temporary mode

The provision is fixed and cannot be changed by an AT command. Temporary Mode:

Temporary mode can be in one of two states:

A - Presentation restricted (CLIR On) as default.

B - Presentation allowed (CLIR Off) as default. A subscriber to Temporary mode always has a default

subscription to state A or B. Temporary-mode provisioning means that the terminal can request the

module to switch the default mode from A to B, and vice versa.

Note: When a service is in state A, and the terminal wants to enable the CLI presentation (turn CLIR off)

for a single call, it can do so using the ATD command. This does not change the Temporary mode state.

This can also be done when the service is in state B and the terminal wants to disable the CLI

presentation (turn CLIR on) for a single call.

Command

Syntax

Response/Action

Remarks

Set

+CLIR=<n>

or:

+CME ERROR: <err>

The Set command instructs the Module

to enable/disable CLI restriction for all

MO calls.

Read

+CLIR?

+CLIR: <n>,<m>

The Read command returns the current

setting of CLIR on the network <m> and

on the Module <n>.

Test

+CLIR=?

+CLIR: (list of

supported<n>s)

The Test command returns <n> values

supported by the Module.

The following table shows the +CLIR parameters.

Description

<n>

Adjustment for outgoing calls

0 - Presentation indicator is used according to the subscription of the CLIR

service

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1 - CLIR invocation

2 - CLIR suppression

The default value is 2.

<m>

Subscriber CLIR service status in the network

0 - CLIR not provisioned

1 - CLIR provisioned in permanent mode

2 - Unknown (for example, no network and so on)

3 - CLIR Temporary mode presentation restricted (can be the default)

4 - CLIR Temporary mode presentation allowed (can be the default)

Example:

AT+CLIR=?

+CLIR: (0-2)

AT+CLIR?

+CLIR: 0,0

AT+CLIR=2

atd054565195; //MO voice call

(… calling …)

(… a Module that has 054565195 SIM and is CLIP enabled will receive the following on the

terminal:

RING

+CLIP: "",128,,128,"",1

RING

+CLIP: "",128,,128,"",1)

ath

NO CARRIER

AT+CLIR=0

atd054565195; //MO voice call

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(… calling …)

(… a Module that has 054565195 SIM and is CLIP enabled will receive the following on the

terminal:

RING

+CLIP: "054565006",129,,128," ",0

RING

+CLIP: "054565006",129,,128," ",0 …)

ath

NO CARRIER

5.1.14 O, Return to Online Data State

This command returns the Module from the Command mode to the Online Data mode and issues a

CONNECT or CONNECT <text> result code.

After dialing or answering (atd/ata commands and connect), the phone enters the Online Data mode

where it is able to transfer data, but not to enter AT commands.

The ESC command +++, transfers the phone to the Command mode. The O command returns the phone

to the fully online Data mode (as it was before using the ESC command).

Note: The escape character '+' can be changed using the S2-register.

The time delay between consecutive escape characters is configured using the S 12-register.

Command

Syntax

Response/Action

Execute

ATO

CONNECT

+CME ERROR: <err> If phone is not in Data Call

NO CARRIER: If connection is not successfully resumed.

Example:

AT+MIPODM //Calling a remote modem - data mode

CONNECT //Module is in Data mode

//Escaping back to Command mode using the +++ sequence

AT //Module is in Command mode

ATO //Returning to Data mode

CONNECT

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5.1.15 +CHUP, Hang up Call

This command causes the Module to hang up the current GSM call.

Command

Syntax

Response/Action

Remarks

Set

+CHUP

or:

+CME ERROR

<err>

The Set command hangs up the current

GSM call.

5.1.16 +MDC, Selection of Desired Message to Be Displayed Upon

Connection of a Voice Call

This AT command enables you to select the desired messages to be displayed upon connection of a voice

call with a remote party. The OK and CONNECT messages are available.

Command

Syntax

Response/Action

Remarks

Set

+MDC=<

mode>

or:

+CME ERROR:

<err>

The Set command selects which of the

supported messages will be displayed upon

connection of a voice call.

<mode> Command Parameters:

0 - Display OK on voice call connection

1 - Display CONNECT on voice call

connection

Default Values:

Power Up - As previously saved in NVM

FLEX bit

0 - Before Set command is first used

Read

+MDC?

+MDC: <mode>

The Read command should return the

current selection of <mode>.

Test

+MDC=?

+MDC: (list of

supported

<mode>s)

The Test command returns the possible

<mode> values.

Example:

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AT+MDC=?

+MDC: (0-1)

AT+MDC=1

ATD<number>;

CONNECT

AT+MDC?

+MDC: 1

AT+MDC=0

ATD<number>;

AT+MDC?

+MDC: 0

5.1.17+MHUP, Module Hung UP call

This command hung up a specific call or all calls, and reports a specific disconnect cause to the NW.

Command

Syntax

Response/Action

Remarks

Set

AT+MHUP=<

cause>[,<call

_id>]

or:

+CME ERROR: <err>

Test

AT+MHUP=?

+MHUP:

(1,16,17,18,27,31),(0-7)

Show list of supported <cause>'s

and list of supported <call_id>'s.

The following table shows the +MHUP parameters.

Description

<cause>

Cause description, send to the NW in the "disconnect" message.

1 "Unassigned (unallocated) number"

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16 "Normal call clearing"

17 "User busy"

18 "No user responding"

27 "Destination out of order"

31 "Normal, unspecified"

<call_id>

Index of the call id (same as <idx> in +CLCC command)

0 All calls (default).

1-7 Specific call id.

Example:

AT+MHUP=?

+MHUP: (1,16,17,18,27,31),(0-7)

AT+MHUP = 16,3 //Hung up call #3, and send cause "Normal call clearing"

AT+MHUP = 17 //Hung up all calls, and send cause "User busy"

AT+MHUP = 17,0 //Hung up all calls, and send cause "User busy"

5.2 Call Status Messages

5.2.1 +CPAS, Phone Activity Status

This command displays the current activity status of the Module; for example, call in progress, or ringing.

Command

Syntax

Response/Action

Remarks

Execute/Read

AT+CPAS

+CPAS: <pas>

or:

+CME ERROR: <err>

The Execute and Read commands

return the activity status <pas> of the

Module. They can be used to

interrogate the Module.

Test

AT+CPAS

+CPAS: (list of

supported <pas>s)

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The following table shows the +CPAS parameters.

Description

<pas>

0 - Ready - The Module allows commands from the terminal

1 - unavailable(MT does not allow commands from TA/TE)

2 - Unknown - The Module is not guaranteed to respond to instructions

3 - Ringing (MT calls) - The Module is ready for commands from the terminal,

but the ringer is active

4 - Call in progress - The Module is ready for commands from the terminal, but a

call is in progress

5 – Asleep (MT is unable to process commands from TA/TE, because it is in a

low functionality state.

Example:

AT+CPAS

+CPAS: 0

AT+CPAS=?

+CPAS: (0-5)

AT+CPAS?

+CPAS: 4

AT+CPAS//Voice call active state

+CPAS: 4

5.2.2 +CLCC, List Current Calls

This command displays a list of all current Module calls and their statuses, and also enables/disables the

unsolicited indication of the call list. (If no calls are received, no information response is sent to the

terminal.)

If the command succeeds but no calls are available, no information response is sent to the terminal.

The maximum number of simultaneous multiparty calls is 5+1 (5 in active group and 1 on hold).

Command

Syntax

Response/Action

Remarks

Set

AT+CLCC=<state>

The Set command enables/disables

unsolicited indications.

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or:

+CME ERROR: <err>

Execute

AT+CLCC

+CLCC:

<idx>,<dir>,<call

state>,

<mode>,<mpty>,<

number>,<type>[,<

alpha>]

[<CR><LF>

+ CLCC:

<idx>,<dir>,<call

state>,<mode>,<m

pty>,<number>,<ty

pe>[,<alpha>]

[…]]

The Execute command enables the

receiving of data about current calls.

Read

AT+CLCC?

+CLCC: <state>

or:

+CME ERROR

<err>

The Read command returns the call

status.

Test

AT+CLCC=?

+CLCC: (List of

supported

<state>s)

or:

+CME ERROR

<err>

The following table shows the +CLCC parameters.

Description

<state>

0 Disable CLCC unsolicited indication

1 Enable CLCC unsolicited indication

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The default value is 0.

<idx>

Integer type, call identification number

<dir>

0 Mobile originated call (MO)

1 Mobile terminated call (MT)

The state of the call

0 Active

1 Held

2 Dialing (MO call)

3 Alerting (MO call)

4 Incoming (MT call)

5 Waiting (MT call)

6 Released

<mode>

Bearer/Teleservice

0 Voice Call

<mpty>

Multiparty status

0 Call is not part of a multiparty call

1 Call is one of multiparty call parties

Phone number in the format specified by <type>.

Contains a string of up to 32 characters.

<type>

Phone number display format.

Type of address octet in integer format (refer to GSM 04.08 [8] subclause

10.5.4.7)

161 Local number

145 International number with access character +

Note: When a mobile-originated call is routed to PSTN (PABX), no ALERT indication is prompted.

Example:

AT+CLCC=?

+CLCC: (0-1)

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AT+CLCC

+CLCC: 1,0,0,0,0,"01256316830",129,

AT+CLCC?

+CLCC: 0

AT+CLCC=1 //Example with unsolicited indication

ATD055490698;

+CLCC: 1,0,2,0,0,"055490698",129,

+CLCC: 1,0,3,0,0,"055490698",129,

+CLCC: 1,0,0,0,0,"055490698",129,

ATH

NO CARRIER

+CLCC: 1,0,6,0,0,"055490698",129,

5.3 Supplementary Services

This set of commands enables control over supplementary service notifications, including Structured and

Unstructured Supplementary Service Data (USSD) data.

5.3.1 +CSSN, Supplementary Service Notifications

This command handles the enabling and disabling of supplementary service-related, network-initiated,

notifications.

Command

Syntax

Response/Action

Remarks

Set

+CSSN=[<

n>[,<m>]]

or:

+CME ERROR:

<err>

The Set command enables/disables the display of

notification result codes to the TE.

When <n>=1 and a supplementary service

notification is received after a mobile-originated call

setup, the +CSSI: notification is sent to the TE

before any other mobile-originated call setup result

codes. When several different notifications are

received from the network, each of them receives

its own +CSSI result code.

When <m>=1 and a supplementary service

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notification is received during a mobile-terminated

call setup or during a call, or when a forward check

supplementary service notification is received, the

unsolicited result code +CSSU: is sent to the TE. In

case of a mobile-terminated call setup, a CSSU is

sent after every +CLIP result code

(“+CLIP, Calling Line Identification”). When several

different events are received from the network,

each of them receives its own +CSSU result code.

Note: The values for <n> and <m> are not saved

after power cycle.

Read

+CSSN?

+CSSN: <n>,<m>

The Read command displays the current

supplementary service notification setting.

Test

+CSSN=?

+CSSN: (0-1),

(0-1)

The Test command displays the list of supported

CSSN values.

The following table shows the +CSSN parameters.

Description

<n>

Sets/displays the +CSSI result code presentation status. This value must be

specified.

0 Disable (default)

1 Enable

<m>

Sets/displays the +CSSU result code presentation status. This value is optional,

but cannot be specified without <n>.

0 Disable (default)

1 Enable

Value

Description

Module Support

Unconditional call forwarding is active

Yes

Some conditional call forwarding is active

Yes

Call has been forwarded

Yes

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Call is waiting

Yes (GSM only)

CUG call (<index> is present)

Yes

Outgoing calls are barred

Yes

Incoming calls are barred

Yes

CLIR suppression rejected

Yes

Call has been deflected

Value

Description

Module Support

This is a forwarded call

(Mobile-terminated call setup).

Yes

CUG call (<index> is present;mobile-terminated call setup).

Yes

Call has been put on hold (during a voice call)

Yes

Call has been retrieved (during a voice call)

Yes

Multiparty call has been entered(during a voice call)

Yes

Call on hold has been released(during a voice call; not a supplementary

service notification)

Yes

Forward check supplementary service message received (can be

received at any time)

Yes

Call is being connected with the remote party in an alerted state using

an explicit call transfer operation (during a voice call).

Yes

Call has been connected with the other remote party using an explicit

call transfer operation (during a voice call or during mobile-terminated

call setup).Number and subaddress parameters may be present:

<number>String type phone number of format defined by <type>

<type>Type of address octet in integer format (refer to GSM04.08 [8],

subclause 10.5.4.7)

<subaddr>String type subaddress of format defined by <satype>

<satype>Type of subaddress octet in integer format (refer to GSM 04.08

[8], subclause10.5.4.8)

Yes

Deflected call

(mobile-terminated call setup)

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Example:

AT+CSSN=? // test command

+CSSN: (0-1),(0-1)

AT+CSSN=0,0 // disable both options

AT+CSSN=1,0 // set n value as enabled, m disabled

AT+CSSN?

+CSSN: 1,0 // display the current n & m values

+CSSI: 1 // displayed after mobile originated call setup of call forward and n enable

+CSSU: 2 //displayed when a call has been placed on hold (during the call) using the +CHLD

AT command and m enable

5.3.2 +CUSD, Unstructured Supplementary Service Data

This command allows control of Unstructured Supplementary Service Data (US SD), according to GSM

02.90.

Both network and mobile initiated operations are supported. Parameter <n> is used to disable/enable the

presentation of an unsolicited result code (USSD response from the network, or network initiated

operation) +CUSD: <m>[,<str>,<dcs>] to the TE. In addition, value <n>=2 is used to cancel an ongoing

USSD session. When <str> is given, a mobile initiated USSD-string or a response USSD-string to a

network initiated operation is sent to the network. The response USSD-string from the network is returned

in a subsequent unsolicited +CUSD result code.

Command

Syntax

Response/Action

Remarks

Set

AT+CUSD=

[<n>[,<str>[,

<dcs>]]]

or:

+CME ERROR: <err>

The Set command

enables/disables the display of

the unsolicited result code.

Unsolicited

Report

+CUSD:

<m>[,<str>[,<dsc>]]]

The USSD response from the

network.

Read

+CUSD?

+CUSD: <n>

The Read command displays

the current value of <n>.

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Test

+CUSD=?

+CUSD: (list of

supported <n>s)

The Test command displays the

supported values of <n>.

The following table shows the +CUSD parameters.

Description

<n>

0 Disable the result code presentation in the TA.

1 Enable the result code presentation in the TA.

2 Cancel session (not applicable to read command response).

<str>

String type USSD-string (when <str> parameter is not given, network is not

interrogated):

If <dcs> indicates that GSM 03.38 [25] default alphabet is used:

• If TE character set other than "HEX" (refer command Select TE Character Set

+CSCS): ME/TA converts GSM alphabet into current TE character set according to

rules of GSM 07.05 [24] 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 ? (GSM

23) is presented as 17 (IRA 49 and 55)).

If <dcs> indicates that 8-bit data coding scheme is used: ME/TA converts each

8-bit octet into two IRA character long hexadecimal numbers (e.g. octet with

integer value 42 is presented to TE as two characters 2A (IRA 50 and 65)).

<dcs>

GSM 03.38 - Cell Broadcast Data Coding Scheme in integer format. The supported

value are:

17 - USC2 Language Indicator. (The first character in a USC2 Lang IND has the

language ID in it. This situation is not defined by the GSM 7.07 or the 3GPP 27.007

so the assuming that the first character should have the correctly formatted and

packed language ID already in it).

72 - USC2 (16 bit).

68 - 8 bit.

Each other value except of 96, 80, and 240 are 7 bit.

Not supported values are: 96, 80, 240

The default value is 15 (7 bit).

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<m>

0 No further user action required (network initiated US SD-Notify, or no further

information needed after mobile Initiated operation).

1 Further user action required (network initiated USSD-Request, or further

information needed after mobile initiated operation).

2 USSD terminated by network. the reason for the termination is indicated by the

index, as described in CUSD Termination Cause Table Index.

3 Other local client has responded.

4 Operation not supported.

5 Network timed out.

CUSD Termination Cause Table Index:

Termination Cause

Index

NO_CAUSE

CC_BUSY

PARAMETER_ERROR

INVALID_NUMBER

OUTGOING_CALL_BARRED

TOO_MANY_CALLS_ON_HOLD

NORMAL

DROPPED

NETWORK

INVALID_CALL_ID

NORMAL_CLEARING

TOO_MANY_ACTIVE_CALLS

UNASSIGNED_NUMBER

NO_ROUTE_TO_DEST

RESOURCE_UNAVAILABLE

CALL_BARRED

USER_BUSY

NO_ANSWER

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CALL_REJECTED

NUMBER_CHANGED

DEST_OUT_OF_ORDER

SIGNALING_ERROR

NETWORK_ERROR

NETWORK_BUSY

NOT_SUBSCRIBED

SERVICE_UNAVAILABLE

SERVICE_NOT_SUPPORTED

PREPAY_LIMIT_REACHED

INCOMPATIBLE_DEST

ACCESS_DENIED

FEATURE_NOT_AVAILABLE

WRONG_CALL_STATE

SIGNALING_TIMEOUT

MAX_MPTY_PARTICIPANTS_EXCEEDED

SYSTEM_FAILURE

DATA_MISSING

BASIC_SERVICE_NOT_PROVISIONED

ILLEGAL_SS_OPERATION

SS_INCOMPATIBILITY

SS_NOT_AVAILABLE

SS_SUBSCRIPTION_VIOLATION

INCORRECT_PASSWORD

TOO_MANY_PASSWORD_ATTEMPTS

PASSWORD_REGISTRATION_FAILURE

ILLEGAL_EQUIPMENT

UNKNOWN_SUBSCRIBER

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ILLEGAL_SUBSCRIBER

ABSENT_SUBSCRIBER

USSD_BUSY

CANNOT_TRANSFER_MPTY_CALL

BUSY_WITH_UNANSWERED_CALL

UNANSWERED_CALL_PENDING

USSD_CANCELED

PRE_EMPTION

OPERATION_NOT_ALLOWED

NO_FREE_BEARER_AVAILABLE

NBR_SN_EXCEEDED

NBR_USER_EXCEEDED

Call Control by SIM Causes

NOT_ALLOWED_BY_CC

MODIFIED_TO_SS_BY_CC

MODIFIED_TO_CALL_BY_CC

CALL_MODIFIED_BY_CC

App. Cause

FDN_FAILURE

Example:

AT+CUSD=1,"*00*0549598743#"

+CUSD: 0,"Connecting...",15

+CUSD: 0,"Connected",15

+CLCC: 1,1,4,0,0,"0545550099",129,"" >Call from USSD server

RING

ATA > answer to the server (when answered, the server call to 0549598743)

+CLCC: 1,1,0,0,0,"0545550099",129,""

NO CARRIER

+CLCC: 1,1,6,0,0,"0545550099",129,""

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5.3.3 +COLP, Connected Line Identification Presentation

This command relates to the GSM supplementary service called COLP (Connected Line Identification

Presentation), which enables a calling subscriber to obtain the connected line identity (COL) of the called

party after setting up a mobile-originated call with the Module. For example, after setting up a

mobile-originated call to one number that is forwarded to another number, the calling party will see the

number of that third party.

When this command is enabled (and the called subscriber permits it), the following intermediate result

code is returned:

+COLP: <number>,<type>[,<subaddr>,<satype>[,<alpha>]].

Note: This command is activated when COLP is supported by the network.

Command

Syntax

Response/Action

Remarks

Set

+COLP=[<n>]

+CME ERROR:

<err>

The Set command enables/disables the

display of the COL at the TE on the Module.

The value set by this command is not

retained after a power cycle.

Read

+COLP?

+COLP: <n>,<m>

The Read command displays the status of

<n>. It also initiates a query of the COLP

service provision status and displays <m>.

Test

+COLP=?

+COLP: (list of

supported <n>s)

The Test command displays the supported

values of <n>.

The following table shows the +COLP parameters.

Description

<n>

Sets/displays the result code presentation status of the Module.

0 Disable (default)

1 Enable

<m>

Displays the subscriber’s COLP service status in the network.

0 COLP not provisioned

1 COLP provisioned

2 Unknown (for example, no network, and so on)

Sets the phone number, using the format specified by <type>.

<type>

Sets the address octet type in integer format (refer to GSM 04.08 [8]

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subclause10.5.4.7).

129 Unknown

145 International (used when dialing string includes "+" international access code

character)

Sets the subaddress, using the format specified by <satype>.

Sets the address octet type in integer format (refer to GSM 04.08 [8] subclause

10.5.4.8).

<alpha>

An optional, string-type, alphanumeric representation of <number> corresponding to

the entry found in the phone book. The character set is defined by +CSCS (Refer to

“+CSCS, Select Terminal Character Set”, page 3-4).

Example:

AT+COLP=0

AT+COLP=2

+CME ERROR: operation not supported

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6 Phone and Date Books and Clock

6.1 Directory Access Commands - Phone Book

This set of commands enables read/write access to the phone book contained within the Module,

including both the numeric and the alpha information contained in the location. The presentation is

according to GSM 07.07.

In some cases, it may be possible to use these commands to access the dialed and received call stacks.

However, as these phone books cannot be edited, the +CPBW command does not work on them.

6.1.1 +CPBS, Select Phone Book Memory

6.1.2 This command handles the selection of the memory to be used

for reading and writing entries in the Module’s phone book’s memory.

Command

Syntax

Response/Action

Remarks

Set AT+CPBS=<storage>[,<

pin2>]

<pin2>is optional while

<storage> = "FD" only

or:

+CME ERROR:

<err>

The Set command selects the phone

book memory storage which is to be

used by other phone book

commands.

Read

+CPBS?

+CPBS:

[,<used>,<tot

al>]

The Read command returns the

currently selected phone book

memory, number of used entries and

total number of entries in the phone

book memory.

Test

+CPBS=?

+CPBS: (list of

supported<storag

e>s)

Test command returns the supported

storage as a compound value.

Note: Read format of +CPBS joins RC and MC, therefore the united list will be prompted.

The following table shows the +CPBS parameters.

Description

List of supported phone books and their storage IDs

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FD: SIM Fixed dialing phone book.

ON: Own numbers (MSISDNs) list (reading this storage is also available

through +CNUM).

SM: SIM phone book.

LD: SIM last-dialing phone book

The default phone book is SM.

<used>

Integer type value indicating the number of used locations in the selected

memory.

<total>

Integer type value indicating the total number of entries in the selected

phone book memory.

<pin2>

String type. PIN2 password 4 - 8 digits.

Example:

AT+CPBS="SM"

AT+CPBR=?

+CPBS: ("SM","FD","LD","ON")

AT+CPBR=1

AT+CPBR=1,3 //There is nothing written in entry 1,2,3

AT+CPBS="FD","<correct pin2>"

OK // +CPBW pin2 unlocked

AT+CPBW=1,"034546565",129,"xyz"// Write into FD storage

AT+CPBS="FD","<wrong pin2>"

+CME ERROR: incorrect password

AT+CPBS="FD","<pin2 longer then 8 chars>"

+CME ERROR: text string too long

6.1.3 +CPBR, Read Phone Book Entries

This command recalls phone book entries from a specific entry number or from a range of entries. If only

one entry is specified, and that entry is empty, OK is returned. If a range of entries is requested, all entries

that contain data within that range are returned. If a listing fails in a Module error, +CME ERROR: <err> is

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returned. This command can also be used to obtain information about the number of entries and the

maximum size of a phone number and alpha tag fields in the phone book.

This command acts on the currently active phone book, as selected with the +CPBS command.

Command

Syntax

Response/Action

Remarks

Set

+CPBR=<in

dex1>[,<ind

ex2>]

[+CPBR:

<index1>,<number>,<type>,<text>[<C

R><LF>

+CPBR:

<index2>,<number>,<type>,<text>]]

or:

+CME ERROR: <err>

The Set command returns

phone book entries.

Test

+CPBR=?

+CPBR: (list of

supported<index>s)[,<nlength>],

[<tlength>]

The Test command returns

the entry range supported by

the current storage as a

compound value and the

maximum lengths of the

<number> and <text> fields.

The following table shows the +CPBR parameters.

Description

Index for a given phone book entry

Phone number of a given entry

<type>

The address type of a phone number

161 Use for local call

145 Use “+” for international access code

129 Unknown “129" is used to represent an email address or a mailing list. In this

case, <ph_type> can be used to further differentiate between the two.

<text>

Text identifier for a phone book entry, according to the character set as specified by

command +CSCS.

The maximum number of digits in the <number>.

The maximum number of characters in the <text> entry

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Note: The MC and RC have the same memory storage area; therefore there are only 10 entries in total.

Some of the entries are listed if the MC phone book is selected, and others are listed if the RC phone

book is selected. The phone book selection is done using the AT+CPBS command.

Example:

AT+CPBS="SM"

AT+CPBR=?

+CPBR: (1-250),20,14

At+CPBR=1

AT+CPBR=1,3 //There is nothing written in entry 1,2,3

AT+CPBR=4

+CPBR: 4,"18888888",129,"Tom"

6.1.4 +CPBF, Find Phone Book Entries

This execution command enables the user to search for a particular entry, by name, in the currently active

phone book. If no matching entry is found, the command returns OK. If multiple matches are found, all are

returned.

Command

Syntax

Response/Action

Set

+CPBF=<findtext

[+CPBF: <index1>,<number>,<type>,<text>[[...]

+CBPF: <index2>,<number>,<type>,<text>]]

or:

+CME ERROR: <err>

Test

AT+CPBF=?

+CPBF: [<nlength>][,<tlength>]

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The following table shows the +CPBF parameters.

Description

Case-sensitive text substring to search for, according to the character set

specified by the +CSCS command.

Index for a given phone book entry

Phone number of a given entry

<type>

The address type of a phone number

129 Use for local call

145 Use “+” for international access code

128 Unknown

Note: "128" is used to represent an email address or a mailing list. In this

case, <ph_type> can be used to further differentiate between the two.

<text>

Text identifier for a phone book entry that starts with the substring <findtext>,

according to the character set as specified by command +CSCS.

Example:

AT+CPBS="SM" //Selecting phone book

AT+CPBF="Lin"

+CPBF: 1,"18888888",129,"Linzhao"

AT+CPBF="Voice" //Searching for string "Voice" and finding Voice Mail

+CPBF: 2,"+8613800138000",145,"Voicemail"

AT+CPBF="" //Searching for everything in phone book, and finding all entries

+CPBF: 1,"18888888",129,"Linzhao"

+CPBF: 2,"+8613800138000",145,"Voicemail"

+CPBF: 3,"18888888",129,"???"

6.1.5 +CPBW, Write Phone Book Entry

This command enables the user to store a new entry in the phone book, or edit/delete an existing entry

from the phone book. A particular entry in the phone book can be stored, or the next available entry is

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used.

This command writes the entry in the currently active phone book, selected with the +CPBS command

(Refer to “+CPBS, Select Phone Book Memory”). The entry is selected by <index>, the phone number is

entered into the <number> field and text associated with the number is entered into the <text> field. If

these fields are omitted, the phone book entry is deleted. If the <index> field is omitted, but a number is

entered in the <number> field, the phone number is entered into the first available entry in the phone book.

If the writing fails in a Module error, +CME ERROR: <err> is returned.

The phone book and date book are share dynamic memory storage. If the writing fail in a Module error in

case of "full memory" error while the memory is not full by 'used' field of +CPBS command (Refer to

“+CPBS, Select Phone Book Memory”).

Note: The "FD" phone book supports single wild card characters (?) and prefixes of a number in the

telephone number field. In cases of fixed dialing, these entries in the "FD" phone book define a group of

permitted numbers.

Call indications related to a fixed dialing entry containing wild cards or only a prefix of a number do not

display any <alpha> identifier.

Command

Syntax

Response/Action

Remarks

Set AT+CPBW=[<index>][

,<number>[,<type>[,<t

ext>]]]

or:

+CME ERROR: <err>

Test

AT+CPBW=?

+CPBW: (list of

supported<index>s)[,<nlength>],(li

st of supported<type>s)[,<tlength>]

This command

queries the allowable

command field and

sizes.

The following table shows the +CPBW parameters.

Description

<index>

Index for a given phone book entry

Phone number of a given entry

<type>

The address type of a phone number

161 Use for local call

145 Use “+” for international access code

129 Unknown

Note: "128" is used to represent an email address or a mailing list. In this case,

<ph_type> can be used to further differentiate between the two.

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<text>

Text identifier for a phone book entry, according to the character set as specified by

command +CSCS.

The maximum size of a phone number, in digits. There is a limited number of PB

records that can be stored with this length. The number of "long" PB records depends

on the size of the SIM card EXT1 extension file. If the extension file is full, an attempt

to store a new record with more than 20 digits returns an error.

The maximum number of characters in the <text> entry. This applies to GSM standard

characters only. Non-GSM standard character sets and extended GSM characters

require additional space in storage. In some cases, when using such characters the

text cannot be stored. In this case, the Module returns a "text string too long"error.

6.2 System Date and Time Access Commands

6.2.1 +CCLK, Read/Set System Date and Time

This command reads and sets the Module current date, time and time zone.

Command

Syntax

Response/Action

Remarks

Set

+CCLK=<ti

me>

or:

+CME ERROR:

<err>

The Set command sets the date, time and time zone

of the system clock.

Note: Set Command sets user defined system clock

values and saves them in the NVM memory. These

saved values are kept after power-cycle as well.

Read

+CCLK?

+CCLK: <time>

or:

+CME ERROR:

<err>

The Read command returns the current date, time

and time zone setting.

By default, <time> will represent the network

updated time.

If the user has used the Set command once, then

<time> will represent the Set command setting.

Note: If network operator does not support System

Clock Update Message, the initial date, time and

time zone, displayed by CCLK Read Command

could be invalid (user's responsibility to set date,

time and time zone by CCLK Set Command).

Note: See Execute Command for how-to enable

back network update time.

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Test

+CCLK=?

+CCLK (list of

supported

<time>s)

The Test command returns valid parameters for the

+CCLK Set command.

The following table shows the +CCLK parameters.

Description

<time>

ASCII string of format:

yy/MM/dd,hh: mm: ss±zz

yy/MM/dd,hh: mm: ss

yy/MM/dd,hh: mm

yy - 2-digit year [2000-2069]

MM - 2-digit month [01-12]

dd - 2-digit day of month [00-31]

hh - 2-digit hour [00-23]

mm - 2-digit minute [00-59]

ss - 2-digit seconds [00-59]

zz - (optional) time zone offset from GMT, in quarter-hours [-47...+48]. If

this value is not specified, the time zone offset will be 0.

Example:

AT+CCLK=?

+CCLK: "88/12/31, 23: 59: 59(-47-+48)”

AT+CCLK="01/01/01, 01: 01: 01-06"

AT+CCLK?

+CCLK: "01/01/01, 01 : 01 : 01-06"

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7 SMS

7.1 SMS Commands

Module supports SMS PDU and SMS TEXT mode according to ETSI specifications 07.05 & 3.40.

7.1.1 +CPMS, Preferred Message Storage

This command handles the selection of the preferred message storage area. The message storage area

is divided into three parts, mem1, mem2 and mem3.

Command

Syntax

Response/Action

Remarks

Set

+CPMS=<me

m1>[,<mem2

>[,<mem3>]]

+CPMS:

<used1>,<total1>,<used2>,<total2>,

or:

+CMS ERROR: <err>

The Set command

sets the memory

storage.

Read

+CPMS?

+CPMS:

<mem1>,<used1>,<total1>,<mem2

>,<used2>,<total2>,<mem3>,<used

3>,<total3>

or:

+CMS ERROR: <err>

The Read command

displays the selected

memory storage type

for the three memory

areas.

Test

+CPMS=?

+CPMS: (list of

supported<mem1>s),(list of

supported <mem2>s),(list of

supported <mem3>s)

or:

+CMS ERROR: <err>

The Test command

lists the supported

memory storage for

and <mem3>.

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The following table shows the +CPMS parameters.

Description

<mem1>

Memory from which messages are read and deleted.

Supported values are: "SM".

The default value at power-up is "SM".

<mem2>

Memory to which writing operation is made.

Supported value is: "SM"

The default value at power-up is "SM".

<mem3>

Memory to which received SMS are stored (unless forwarded directly to

TE). Supported value is: "SM".

The default value at power-up is "SM".

"SM"

SIM message storage

Example:

AT+CPMS="SM"

+CPMS: 5,50,5,50,5,50

AT+CPMS?

+CPMS: "SM",5,50,"SM",5,50,"SM",5,50

7.1.2 +CMGF, Message Format

This command is a basic command. The Set command handles the selection of the message format used

with send, list, read and write commands, as well as the format of unsolicited result codes resulting from

message receipts. The Module supports both PDU mode (where entire TP data units are used) and text

mode (where the body of the message and its headers are given as separate parameters).

Command

Syntax

Response/Action

Remarks

Set

+CMGF=<

mode>

or:

+CMS ERROR: <err>

The Set command sets the message

format to use. Read

+CMGF?

+CMGF: <mode>

The Read command displays the

current message format.

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Test

+CMGF=?

+CMGF: (list of

supported mode>s)

The Test command lists all the

supported message formats.

The following table shows the +CMGF parameters.

Description

<mode>

Message format:

0 PDU mode (default)

1 Text mode

Example:

AT+CMGF=1

AT+CMGF?

+CMGF: 1

AT+CMGF=?

+CMGF: (0,1)

7.1.3 +CSCA, Service Center Address

This command enables to write/read SCA to/from SIM.

7.1.4 In SMS text mode, SCA stored in SIM is added to any stored

and sent SMS.

In SMS pdu mode, SCA stored in SIM is added to stored SMS and send SMS only when SCA address

length coded in PDU equals zero.

Command

Syntax

Response/Action

Remarks

Set

+CSCA=<sc

a>[,<tosca>]

or:

+CMS ERROR:

<err>

Sets service center address stored in SIM

(EF-SMSp -Short message service

parameters). <tosca> is optional parameter,

default value is 129 (local number). When

<sca> is prefixed with ‘+’ it indicates that

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<tosca> is set to 145(International number).

Read

+CSCA?

+CSCA:

Read command displays <sca> and <tosca>

stored in SIM*EF-SMSp).

Test

The Test command for +CSCA is not defined

by ETSI.

The following table shows the +CSCA parameters.

Description

<sca>

Service Center Address“ ”"+" character prefix of <sca> indicates <tosca> of 145.

Minimum 1 and up to 20 characters, where each character is represented by semi

octets (excluding ‘+’ character).

If <sca> contains an odd number of digits, bits 4 to 7 of the last octet shall be filled with

an end mark coded “s "1”11".

<tosca>

Type of service center address.

<tosca> of 129 is mostly use for local number and 145 for International.

<tosca> of 129 is default value.

<tosca> values are in range of 0-255.

Valid values are defined according to:

GSM03.40 v7.4.0 section 9.1.2.5 as follow:

Bit 7 is 1

Bits 6,5–4 - Present Type of number as follow:

Bits 6 5 4

0 0 0 Unknown

0 0 1 International number

0 1 0 National number

0 1 1 Network specific number

1 0 0 Subscriber number

1 0 1 Alphanumeric, (coded according to GSM TS 03.38 7-bit default alphabet)

1 1 0 Abbreviated number

1 1 1 Reserved for extension

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Numbering-plan-identification (applies for Type-of-number = 000,001,010)

Bits 3 2 1 0

0 0 0 0 Unknown

0 0 0 1 ISDN/telephone numbering plan (E.164/E.163)

0 0 1 1 Data numbering plan (X.121)

0 1 0 0 Telex numbering plan

1 0 0 0 National numbering plan

1 0 0 1 Private numbering plan

1 0 1 0 ERMES numbering plan (ETSI DE/PS 3 01-3)

1 1 1 1 Reserved for extension.

All other values are reserved.

+CSCA <SCA> parameters.

Following table describes +CSCA <SCA> valid parameters including the conversion when using stored

<SCA> in SMS PDU mode (editing SMS via +CMGW or +CMGS without SCA). This is according to

24.008V031000P Table 10.5.118/GSM 24.008V031000P: Called party BCD number:

<SCA> Character in SMS (Text mode)

Mapped character for SMS (PDU mode)

Digits: 0-9

‘+’

0x91

‘*’

‘A’

‘#’

‘B’

‘A’

‘C’

‘B’

‘D’

‘C’

‘E’

Example:

AT+CSCA?

+CSCA: "+97212356",145 // Read SCA address and TOSCA stored in SIM (EF-smsp)

AT+CSCA="97212356"

AT+CSCA?

+CSCA: "97212356",129

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AT+CSCA?

+CSCA: "*A”C#",129

AT+CMGW=13

> 0481ABCD1211640A8150224902450000A700 // ‘*’->’A’, ‘A’->B’, ‘B’->C’, ‘#’->’D’

+CMGW: 15

AT+CMGR=15

+CMGR: 2,,13

0481ABCD1211640A8150224902450000A700 // SCA read as stored for current SMS

AT+CSCA?

+CSCA: "*A”C#",129 // Read command remained // SCA settings didn’t change

AT+CSCA?

+CSCA: "*A”C#",129

AT+CMGW=

> 0011640A8150224902450000A700

+CMGW: 16

AT+CMGR=16

+CMGR: 2,,13

0481CAEDFB11640A8150224902450000A700 // SCA is: ACDEB in pdu, mapped to *ABC#

AT+CMGW=13

> 0381AB1211640A8150224902450000A700 // Set SCA to BA21

+CMGW: 17

AT+CMGR=17

+CMGR: 2,,13

0381AB1211640A8150224902450000A700 // SCA is set correctly only for current SMS but

+CSCA setting didn’t changed

AT+CSCA?

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+CSCA: "*A”C#",129 /SCA didn’t change in storage

7.1.5 +CSMP, Set Text Mode Parameters

This command is a basic command and is used to select values for additional parameters needed when

SM is sent to the network or placed in storage when TEXT mode is selected.

Command

Syntax

Response/Action

Remarks

Set

+CSMP=[<fo>[,<

vp>[,<pid>[,<dcs

>]]]]

or:

+CMS ERROR:

<err>

The set command selects values for

additional parameters needed when SM

is sent to the network or placed in storage

when text format message mode is

selected.

Read

AT+CSMP?

+CSMP:

<fo>,<vp>,<pid>,<dc

The read command returns the current

parameters value.

Test

AT+ CSMP =?

The test command just returns OK.

The following table shows the +CSMP parameters.

Description

<fo>

First octet of GSM 03.40. in integer format. For details see +CMGW definitions.

The default value at power-up is 17. (Message type is: SMS-SUBMIT and relative VP

format).

<vp>

Validity Period. Depending on SMS-SUBMIT <fo>, TP-Validity-Period-Format bits

setting.

If there is no correlation between the VPF and the VP value. an error message will be

returned.

Either in integer format (see Table) or in time-string format ("yy/MM/dd,hh:mm:ss±zz").

<pid>

Protocol-Identifier. The one octet information element by which the SM-TL either refers

to the higher layer protocol being used, or indicates inter-working with a certain type of

telematic device.

"0 - no inter-working, SME-to-SME protocol (default) "Any value between 0-255 will be

accepted.

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The SC may reject messages with a TP-Protocol-Identifier containing a reserved value

or one, which is not supported.

<dcs>

One octet of Data Coding Scheme, indicates the data coding scheme of the DATA,

and may indicate a message class.

Note:

For DCS expanded information, see section “DCS handling”.

default alphabet: 00xx00xx, 111 100xx, 1 101xxxx

8 bit data: 00xx01xx, 111101xx

UCS2: 00xx10xx, 1110xxxx

reserved: 00xx11xx, 0100xxxx-1011xxxx

The default value at power-up is 0 - Default alphabet.

Description

0 to 143

(TP-VP + 1) x 5 minutes (i.e. 5 minutes intervals up to 12 hours)

144 to 167

12 hours + ((TP-VP - 143) x 30 minutes)

168 to 196

(TP-VP - 166) x 1 day

197 to 255

(TP-VP - 192) x 1 week

Example:

AT+CSMP?

+CSMP: 17,167,0,0 (default values for SMS-SUBMIT)

AT+CSMP= 1,256,0,0

+CMS ERROR: numeric parameter out of bounds

AT+CSMP=?

AT+CSDH=1

AT+CMGF=1

AT+CMGW="15820447141"

> ABC (^Z)

+CMGW: 6

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AT+CMGR=6

+CMGR: "STO UNSENT","15820447141","",129,17,0,0,167,"+8613800755500",145,3

ABC

7.1.6 +CSDH, Show Text Mode Parameters

This command controls whether detailed header information is shown in text mode result codes.

Command

Syntax

Response/Action

Remarks

Set

+CSDH=[<show>

]

or:

+CMS ERROR: <err>

The set command controls whether

detailed header information is shown

in text mode result codes.

Read

AT+CSDH?

+CSDH: (<show>)

The read command returns the

current <show> parameter value.

Test

AT+CSDH=?

+CSDH: (list of supported

<show>s)

The following table shows the +CSDH parameters.

Description

<show>

0 - Means 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; for SMS-COMMANDs in +CMGR result code, do not show <pid>,<mn>, <da>,

<toda>, <length> or <cdata> (default).

1 - Means show the values in result codes.

Example:

AT+CSDH=?

+CSDH: (0-1)

AT+CSDH?

+CSDH: 0

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AT+CMGR=160// SMS-SUBMIT

+CMGR: "STO UNSENT","0544565034",

ABC

AT+CSDH=1

AT+CMGR=160

+CMGR: "STO UNSENT","0544565034",,81,29,0,0,"04/11/04,09: 48:

36+08","+97254120032",145,3

ABC

7.1.7 +CNMI, New Message Indications to Terminal

This command handles enabling of unsolicited notifications to the terminal when an SM is received by the

Module.

After sending an unsolicited response to the TE, the Module will expect a +CNMA (new message

acknowledge) from the TE within a predefined timeout of 60 seconds. The Module will not send another

unsolicited response to the TE before the previous one is acknowledged. If acknowledged within the

timeout, the new SM is not saved in the message storage. If not, the new SM is saved in the message

storage and +CNMI parameters are set to 0.

Command

Syntax

Response/Action

Set +CNMI=[<mode>[,

<mt>[,<bm>[,<ds>[

,<bfr>]]]]]

or:

+CMS ERROR: <err>

Read

+CNMI?

+CNMI: <mode>,<mt>,<bm>,<ds>,<bfr>

Test

+CNMI=?

+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)

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The following table shows the +CNMI parameters.

Description

<mode>

0 Buffer unsolicited result codes in the TA; if the TA buffer is full, the oldest

indication may be discarded and replaced with the new received indications

(ring buffer).

1 Discard indication and reject new received message unsolicited result

codes when TA-TE link is reserved; otherwise forward them directly to the

terminal.

2 buffer unsolicited result codes in the TA when the serial link is busy (e.g.

data-transfer); otherwise forward them directly to the terminal.

<mt>

0 No SMS-DELIVER indications are routed to the terminal (default)

1 If SMS-DELIVER is stored in the Module, the memory location indication is

routed to the terminal using the unsolicited result code: +CMTI:

2 SMS-DELIVER (except class2 SMS) are routed directly to the TE using

the unsolicited result code:

+CMT: [<alpha],<length><CR><LF><pdu> (in PDU mode)

+CMT:

<oa>,[<alpha>],<scts>[,<tooa>,<fo>,<pid>,<dcs>,<sca>,<tosca>,<length

>]<CR><LF>

If ME has its own display device then class 0 SMS and SMS in the

message waiting indication group (discard message) may be copied to

both ME display and to terminal. In this case ME shall send the

acknowledgement to the network. Class 2 SMSs and messages in the

message waiting indication group (storage message) result in indication as

defined in <mt>=1

<bm>

0 No CBM indications are routed to the terminal (default)

<ds> 0 No SMS-STATUS-REPORT indications are routed to the terminal (default)

1 SMS-STATUS-REPORT is routed directly to the terminal

<bfr>

0 TA buffer of unsolicited result codes defined within this command is

flushed to the TE when <mode> 1...3 is entered (OK response shall be

given before flushing the codes).

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Example:

AT+CNMI=?

+CNMI: (0-2),(0-2),(0),(0-1),(0)

AT+CNMI?

+CNMI: 0,0,0,0

AT+CNMI=1,1

AT+CMSS=142,"0544565034" // send to myself

+CMSS: 72

+CMTI: "SM",15

AT+CNMI=1,2

AT+CSDH=1

AT+CMSS=142,"054565034" // send to myself

+CMSS: 73

+CMT: "+972544565034",,"04/11/04,09: 48: 36+08",145,4,0,0,"+97254120032",145,3

ABC

AT+CSMP=49,167 /*Set first octet to status report - see status report parameters in CMGW*/

AT+CSMP?

+CSMP: 49,167,0,0

AT+CNMI=1,,,1

AT+CNMI?

+CNMI: 1,0,0,1,0

AT+CNMI=1,0,0,1,0

AT+CMGS="0524680592"

> HELLO

+CMGS: 168

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+CDS: 6,168,"+972524680592",145,"05/08/02,15: 20: 12+08","05/08/02,15: 20: 14+08",0

AT+CNMI=1,0,0,2

AT+CMSS=296

+CMSS: 185

7.1.8 +CMTI, Unsolicited Response (New SMS-DELIVER Receipt

Indication)

The +CMTI unsolicited response is sent to the TE upon receipt of a new SMS-DELIVER SM, if the +CNMI

parameter <mt> is set to 1. Refer to “+CNMI, New Message Indications to Terminal”.

This unsolicited message indicates that a new SMS-DELIVER message was received, and is stored in

location <index>:

+CMTI: <mem>,<index>

The following table shows the +CMTI parameters.

Description

<mem>

Message memory space.

"SM" - SIM memory storage.

<index>

Location of the new message.

Example:

AT+CNMI=1,2

AT+CMGS=1 8 //send to my self

> 079179521201009511000c917952428650290004AA0441424344

+CMGS: 69

+CMTI: "SM",4

7.1.9 +CMT, Unsolicited Response (New SMS-DELIVER Receipt)

The +CMT unsolicited response is sent to the TE upon receipt of a new SMS-DELIVER SM if the +CNMI

parameter <mt> is set to 2. Refer to “+CNMI, New Message Indications to Terminal”.

This unsolicited message displays the received SMS-DELIVER message:

In text mode: (+CMGF=1):

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+CMT: <oa>,[<alpha>],<scts>[,<tooa>,<fo>,<pid>,<dcs>,<sca>,<tosca>,<length>] <CR><LF><data>

(about parameters in italics, refer command Show Text Mode Parameters +CSDH).

In PDU mode: (+CMGF=0):

+CMT: [<alpha>],<length><CR><LF><pdu>

The following table shows the +CMT parameters.

Description

<oa>

Message origination address.

<scts>

Service center time stamp.

<toda>

Type of origination address

<fo>

First octet of the SM

<pid>

Protocol Identifier

<dcs>

Data Coding Scheme

<sca>

Service Center Address

<tosca>

Type of Service Center Address

<data>

Message contents.

<alpha>

Alpha ID of message.

In PDU mode: Size of message, in octets, excluding SMSC data.

In TEXT mode: number of characters included in the <data>

<pdu>

Message header and contents in PDU mode format. See description in

“+CMGR, Read Message”.

After sending a +CMT unsolicited response to the TE, the Module will expect a +CNMA (new message

acknowledgment) from the TE within a predefined timeout of 60 seconds. The Module will not send

another +CMT unsolicited response to the TE before the previous one is acknowledgement. If the +CMT

is acknowledged within the timeout, the new SM is not saved in the message storage. If the +CMT is not

acknowledged and the timeout has expired, the new SM is saved in the message storage and +CNMI

parameter <mt> is set to 0.

Example:

AT+CNMI=1,2

AT+CSDH=1

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AT+CMSS=142,"054565034" // send to myself

+CMSS: 74

+CMT: "+972544565034",,"04/11/04,09: 48: 36+08",145,4,0,0,"+97254120032",145,3

ABC

AT+CNMA

AT+CMGF=0

AT+CMGS=18 // send to myself

> 079179521201009511000c917952446505430004AA0441424344

+CMGS: 70

+CMT: ,23

0791795212010095040C917952446505430004502032115430800441424344

7.1.10+CDS, Unsolicited Response (New SMS-STATUS-REPORT

Receipt)

The +CDS unsolicited response is sent to the TE upon receipt of a new mobile-terminated SM if the

+CNMI parameter <ds> is set to ’1’.

This unsolicited message displays the received SMS-DELIVER message.

Unsolicited Response

In text mode: (+CMGF=1):

+CDS: <fo>,<mr>[,<ra>][,<tora>],<scts>,<dt>,<st><CR><LF>

In PDU mode: (+CMGF=0):

+CDS: <length><CR><LF><pdu>

The following table shows the +CDS parameters.

Description

<fo>

First octet of the SM

<mr>

Message Reference

<ra>

Message Recipient address

<tora>

Type of Recipient address

<scts>

Service center time stamp

<dt>

Discharge-Time

<st>

Status

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After sending a +CDS unsolicited response to the TE, the Module will expect a +CNMA (new message

acknowledgment) from the TE within a predefined timeout of 60 seconds. The Module will not send

another +CDS unsolicited response to the TE before the previous one is acknowledged. If the +CDS is

acknowledge d within the timeout, the new SM is not saved in the message storage. If the +CDS is not

acknowledged and the timeout has expired, the new SM is saved in the message storage and +CNMI

parameter <ds> is set to ’0’.

Example:

AT+CMGF=1

AT+CSMP=49,167

AT+CSMP?

+CSMP: 49,167,0,0

AT+CNMI=1,0,0,1

AT+CMGS="052468000"

> Hello

+CMGS: 187

+CDS: 6,187,"+97252468000",145,"05/08/03,08: 56: 34+08","05/08/03,08: 56: 34+08",70

AT+CNMA

7.1.11+CMGL, +MMGL,List Messages

These commands display a list of all SMS with the status value <stat>, from the Module message storage

<mem1> (selected using the +CPMS command). The command returns a series of responses, one per

message, and each containing the message index, status, and data. If the status of a message is

"RECEIVED UNREAD", execution of the +CMGL command changes the status of the message to

"RECEIVED READ".

The +MMGL command does not change the message status. In addition, +MMGL includes a <stat>

selection that can be used to query the Module for a list of message headers without attendant message

data.

Command

Syntax

Response/Action

Remarks

Set

+CMGL[=<

If text mode (+CMGF=1) command execution

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stat>]

+MMGL[=<

stat>]

is successful and SMS-SUBMITs and/or

SMS-DELIVERs:

+CMGL:

<index>,<stat>,<oa/da>[,<scts>][,<tooa/toda>,

+CMGL:

<index>,<stat>,<da/oa>[,,<scts>][,<tooa/toda>,

<length>]<CR><LF><data>[...]]

The parameters <tooa/toda>,<length> refer

command shows the Text Mode Parameters

+CSDH and will be shown according to +CSDH

settings.

If text mode (+CMGF=1) command execution

is successful and SMS-COMMANDs:

+CMGL: <index>,<stat>,<fo>,<ct>[<CR><LF>

+CMGL: <index>,<stat>,<fo>,<ct>[...]]

If text mode (+CMGF=1), command execution

is successful and CBM storage:

+CMGL:

<index>,<stat>,<sn>,<mid>,<page>,<pages><

CR><LF><data>[<CR><LF>

+CMGL:

<index>,<stat>,<sn>,<mid>,<page>,<pages><

CR><LF><data>[...]]

If text mode (+CMGF=1) command execution

is successful and 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>[...]]

In PDU mode (+CMGF=0):

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+CMGL:

<index>,<stat>[,<alpha>],<length><CR><LF><

pdu>[<CR><LF>

+CMGL:

<index>,<stat>[,<alpha>],<length><CR><LF><

pdu>[…]]

+CMS ERROR: <err>

Test

+CMGL=?

+MMGL=?

+CMGL: (list of supported <stat>s)

The Test

command lists

all the

supported

<stats>

The following table shows the +CGML/+MMGL parameters.

Description

<index>

1-352 Index of message in storage.

<stat>

Status of message in memory:

PDU

mode

Text mode

Description 0

“REC

Received unread messages

“REC READ”

Received read messages

“STO

Stored unsent messages

“STO SENT”

Stored sent message

“ALL”

All messages

<oa/da>

Original/destination address.

<data>

Message contents in text mode

In PDU mode: Size of message, in octets, excluding SMSC data. In TEXT mode:

Number of characters included in <data>.

<pdu>

Message header and contents in PDU mode format. See description in “+CMGR,

Read Message”.

Type of origination address / destination address