Wavecom WMO1-G900 User Manual

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Wavecom GSM Modem

Wavecom GSM MODEM WMO1-G900

This document is the property of WAVECOM, and is transferred to ______________________________ under the conditions of the active Non-Disclosure Agreement dated __________. Use of this document is subject to the terms of this NDA. This document will be returned to WAVECOM under request.

Date: 21 December 97

Reference: WCOM/GSM/WMO1-G900/modATcmd

This confidential document is the property of WAVECOM and may not be copied or circulated without permission

Version: 7.3

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Wavecom GSM Modem

DOCUMENT AMENDMENTS

ISSUE DATE STATUS AUTHOR COMMENTS

1.0 29-02-96 P NHI Creation

2.0 18-03-96 P RMA Add of new commands

3.0 10-06-96 P RMA Add of new commands

4.0 08-07-96 P RMA Add of new commands

5.0 29-07-96 P RMA Add of new commands

5.1 25-09-96 P RMA Modification of commands

5.2 03-10-96 P RMA Add of new commands

5.3 21-10-96 P RMA Add of V25 ter commands

6.0 16-01-97 P RMA Add of new commands

6.1 10-02-97 P RMA Modifications of +CBST, +CRLP, +SIDET

7.0 29-05-97 P RMA Add of new commands

7.1 24-07-97 P RMA Modifications for error codes

7.2 16-10-97 P FDE Add Network & SIM lock (+CLCK, +CPWD)

7.3 21-12-97 P FDE Add phonebook management (+CPBS, +CPBR, +CPBF, +CPBW)

Add Fax management

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WMO1-G900

USER MANUAL

CONTENTS

1. INTRODUCTION.............................................................................................................................. 6

1.1. SCOPE OF THIS DOCUMENT.............................................................................................................. 6

1.2. GSM REFERENCE DOCUMENTS ....................................................................................................... 6

1.3. ETSI CONTACT.............................................................................................................................. 7

1.4. DEFINITIONS.................................................................................................................................. 7

1.5. TECHNICAL DATA.......................................................................................................................... 7

2. AT COMMANDS FEATURES........................................................................................................11

2.1. WAVECOM LINE SETTINGS .........................................................................................................11

2.2. COMMAND LINE............................................................................................................................11

2.3. INFORMATION RESPONSES AND RESULT CODES................................................................................11

3. AT COMMANDS FOR CALL CONTROL.....................................................................................12

3.1. DIAL COMMAND D ........................................................................................................................12

3.2. HANG-UP COMMAND H .................................................................................................................13

3.3. ANSWER A CALL A........................................................................................................................13

3.4. REMOTE DISCONNECTION..............................................................................................................13

3.5. DTMF SIGNALS +VTD, +VTS ......................................................................................................14

3.6. OPERATOR SELECTION +COPS......................................................................................................14

3.7. REDIAL LAST NUMBER ATDL ........................................................................................................15

3.8. SIGNAL QUALITY +CSQ...............................................................................................................16

3.9. NETWORK REGISTRATION +CREG.................................................................................................16

3.10. AUTOMATIC ANSWER ATS0........................................................................................................16

3.11. GAIN CONTROL +VGR, +VGT ...................................................................................................17

3.12. SIDETONE MODIFICATION +SIDET .............................................................................................18

3.13. ECHO CANCELER +ECHO...........................................................................................................18

4. AT COMMANDS FOR SIM, E2PROM..........................................................................................20

4.1. PRODUCT SERIAL NUMBER +CGSN...............................................................................................20

4.2. REQUEST MODEL IDENTIFICATION +CGMM...................................................................................20

4.3. REQUEST REVISION IDENTIFICATION +CGMR.................................................................................20

4.4. MANUFACTURER IDENTIFICATION +CGMI.....................................................................................21

4.5. CAPABILITIES LIST +GCAP...........................................................................................................21

4.6. PHONE ACTIVITY STATUS +CPAS..................................................................................................21

4.7. POWER OFF +CPOF......................................................................................................................21

4.8. SET PHONE FUNCTIONALITY +CFUN..............................................................................................22

4.9. ENTER PIN/PUK CODE +CPIN......................................................................................................23

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4.9.1. Remark.................................................................................................................................24

4.10. FACILITY LOCK +CLCK .............................................................................................................25

4.11. CHANGE PASSWORD +CPWD......................................................................................................26

4.12. SELECT PHONEBOOK MEMORY STORAGE +CPBS...........................................................................26

4.13. READ PHONEBOOK ENTRIES +CPBR.............................................................................................27

4.14. FIND PHONEBOOK ENTRIES +CPBF ..............................................................................................27

4.15. WRITE PHONEBOOK ENTIY +CPBW .............................................................................................28

5. AT COMMANDS FOR SHORT MESSAGES ................................................................................29

5.1. PARAMETERS DEFINITION..............................................................................................................29

5.2. SELECT MESSAGE SERVICE +CSMS...............................................................................................30

5.3. PREFERRED MESSAGE STORAGE +CPMS .......................................................................................30

5.4. PREFERRED MESSAGE FORMAT +CMGF........................................................................................30

5.5. SAVE SETTINGS +CSAS.................................................................................................................32

5.6. RESTORE SETTINGS +CRES...........................................................................................................32

5.7. SHOW TEXT MODE PARAMETERS +CSDH ......................................................................................32

5.8. SELECT TE CHARACTER SET +CSCS..............................................................................................32

5.9. NEW MESSAGE INDICATION +CNMI..............................................................................................33

5.10. READ MESSAGE +CMGR ............................................................................................................35

5.11. LIST MESSAGE +CMGL...............................................................................................................36

5.12. SEND MESSAGE +CMGS.............................................................................................................37

5.13. SET TEXT MODE PARAMETERS +CSMP.......................................................................................37

5.14. DELETE MESSAGE +CMGD.........................................................................................................38

5.15. SERVICE CENTER ADDRESS +CSCA..............................................................................................38

6. AT COMMANDS FOR SUPPLEMENTARY SERVICES .............................................................39

6.1. CALL FORWARDING +CCFC .........................................................................................................39

6.2. CALL BARRING +CLCK.................................................................................................................40

6.3. MODIFY SS PASSWORD +CPWD...................................................................................................40

6.4. CALL WAITING +CCWA................................................................................................................41

6.5. CALLING LINE IDENTIFICATION RESTRICTION +CLIR......................................................................42

6.6. CALLING LINE IDENTIFICATION PRESENTATION +CLIP....................................................................42

6.7. CONNECTED LINE IDENTIFICATION PRESENTATION +COLP ............................................................43

7. AT COMMANDS FOR DATA.........................................................................................................44

7.1. BEARER TYPE SELECTION +CBST..................................................................................................44

7.2. REPORT CONTROL +CR, +CRC.....................................................................................................45

7.2.1. Outgoing call +CR...............................................................................................................45

7.2.2. Incoming call +CRC.............................................................................................................45

7.3. ECHO E.......................................................................................................................................46

7.4. FIXED DTE RATE +IPR................................................................................................................46

7.5. BACK TO ONLINE MODE O.............................................................................................................46

7.6. DTE-DCE CHARACTER FRAMING +ICF .........................................................................................47

7.7. REPEAT LAST COMMAND A/..........................................................................................................47

7.8. DEFAULT CONFIGURATION Z.........................................................................................................47

7.9. DTE-DCE LOCAL FLOW CONTROL +IFC........................................................................................48

7.10. SET DCD SIGNAL &C.................................................................................................................48

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7.11. SET DTR SIGNAL &D.................................................................................................................49

7.12. SET DSR SIGNAL &S..................................................................................................................49

7.13. SAVE CONFIGURATION &W.........................................................................................................49

7.14. RADIO LINK PROTOCOL PARAMETERS +CRLP...............................................................................49

8. OTHER AT COMMANDS...............................................................................................................51

8.1. V.25 TER RECOMMANDATION........................................................................................................51

8.2. GSM 07.05 RECOMMANDATION....................................................................................................51

8.3. GSM 07.07 RECOMMANDATION....................................................................................................51

9. FAILURE RESULT CODES............................................................................................................52

9.1. REPORT MOBILE EQUIPEMENT ERRORS +CMEE.............................................................................52

9.2. EXTENDED ERROR REPORT +CEER................................................................................................52

9.3. MOBILE EQUIPMENT ERROR RESULT CODE : +CME ERROR: XXX...................................................53

9.4. MESSAGE SERVICE FAILURE RESULT CODE: +CMS ERROR : XXX ..................................................53

9.5. CAUSE INFORMATION ELEMENT VALUES FROM GSM RECOMMANDATION 04.08................................54

9.6. GSM 04.11 ANNEX E-2: MOBILE ORIGINATING SM-TRANSFER ......................................................57

10. FAX MANAGEMENT....................................................................................................................60

10.1. SETTING UP THE MODULE FOR FAX ...............................................................................................60

10.2. SETTING UP THE PC FAX APPLICATION: ........................................................................................61

10.3. RESTORING THE MODULE'S DEFAULT PROFILE FOR DATA CALL.......................................................61

11. SECURITY ADVISES AND WARNINGS! ...................................................................................62

11.1. LIMITATION OF RESPONSES..........................................................................................................62

11.2. ATTENTION FOR USERS!..............................................................................................................62

11.3. RF SAFETY..............................................................................................................................63

11.4. GENERAL SAFETY.................................................................................................................65

11.5. SAFETY STANDARDS............................................................................................................67

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1. Introduction

1.1. Scope of this document

This document describes the messages exchanged between an external application module and the WMO1-G900 GSM mobile station, based on AT commands in order to control incoming and outgoing calls. This document presents the AT-commands implemented for the voice call tele-service, the data tele-service and the short message tele-service.

1.2. GSM reference documents

The following GSM reference documents are recommended: ETSI GSM 03.40

GSM 03.45 GSM 04.11 GSM 04.21 GSM 05.08 GSM 07.01 GSM 07.02 GSM 07.05 GSM 07.07

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1.3. ETSI contact

The Technical Specifications can be ordered from the following address:

European Telecommunications Standards Institute

ETSI Secretariat Postal Address: F-06921 Sophia AntipolisCEDEX - FRANCE Office Address: 650 Route des Lucioles - Sophia Antipolis - Valbonne -

FRANCE X.400: c=fr, a=atlas, p=etsi, s=secretariat Internet: secretariat@etsi.fr Tel.:+33 (0)4 92 94 42 00 - Fax: +33 (0)4 93 65 47 16 ETSI http://www.etsi.fr

1.4. Definitions

In the GSM vocabulary, a call from GSM mobile to the Network is named “mobile originated call“ or „outgoing call“, and a call from fixed network to a GSM mobile is called „mobile terminated call“ or „incoming call“.

1.5. Technical Data

∗ Dimensions: B x H x T 115mm x 54mm x 33mm ∗ Weight: 130g ∗ Power Supply: 10,8...31,2 V/DC (worst case, including application board on

basis DS 87C520/PLCC44) 325 mA transmit mode 10,8V 47 mA idle mode 10,8V

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110 mA transmit mode 31,2V 25 mA idle mode 31,2V

∗ Temperature Range: Storage: -20°C to +70°C

Use: -20°C to +55°C

∗ Interface A: Antenna 50Ω FME Male

∗ Interface B: RS232 / V24 9 pin D-Sub to DIN 41652

∗ Interface C: RJ 45 8 pin shielded for hand set, RX, TX, Power and ground

(pin 1, 2, 3, 4 not used)

∗ Interface D: Power supply

RJ11 connector white +10,8 - 31,2V

yellow, green not used brown ground

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∗ SIM-Card interface: for small SIM-Cards

∗ Digital interface: V24 (9 pole D-Sub)

V28 AT-commands according to ETSI GSM 0707 and GSM 0705 Extended AT-commands List

∗ Data communication: asynchronous, transparent and not transparent

GSM 07.01, 07.02, 04.21

• 2400 BPS V22 bis

• 2400 BPS V26 ter

• 4800 BPS V32

• 9600 BPS V32

• 2400 BPS V110

• 4800 BPS V110

• 9600 BPS V110

Routes: MOC and MTC INFO transf. mode: 3,1Khz audio ex PLMN (analogue) or UDI/V.110 (ISDN) Clock mode: Asynchronous Connection elem.: Transparent/Non Transparent Structure: Unstructured/Structured Layer 2 protocol: NAV Data bits: 8 Parity bits: None Bits/char.: Always 10 bits/char. Stop bits: 1 Radio channel: Full rate Intermed. rate: 16 kbit/s User rate: 2400, 4800 or 9600 bit/s Modem type: V.22bis, V.26ter, Auto-baud, V.32 Bearer service: Bs 24, BS 25, Bs 26

∗ ∗ Short Message Service: GSM 03,40, 07.05

• SMS mobile originated

• SMS mobile terminated

• CBS Text mode /PDM mode

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7 bit user data / 8 bit user data

Routes: SMS MO and MT MODE: Text mode, PDU, 7/8 bits user data Teleservice: TS22, TS21

∗ Fax:

Group 3 /Class I CCITT Rec.: CCITT T.30, T.4 Routes: MOC and MTC Info. transf. mode: Synchronous Connection elem.: Transparent Structure: Unstructured Radio channel: Full rate Intermed. rate: 16kbit/s User rate: 2400,4800 or 9600 bit/s Teleservice: TS 62

∗ Audio interface:

• Electret-Microphone recommended :

Impedance 100kΩ / Sensitivity of the inputs : 4 - 40mV p.p

(gain set with AT+VGT)

• Loudspeaker :

Impedance 150Ω / Outputs level : 0 - 2.5V p.p max

• Power 6V regulated DC

• ground

• shield

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2. AT commands features

2.1. WAVECOM line settings

Currently, WAVECOM's handler is set to 9600 bps, 8 bits data, 1 bit stop, no parity, RTS/CTS flow control. Please use the commands +IPR, +IFC, +ICF to change these settings.

2.2. Command line

Commands always finish with a <CR> character.

2.3. Information responses and result codes

Responses always start with <CR><LF> and end with <CR><LF>.

• If the syntax command is wrong, the string ERROR is sent.

• If the syntax command is correct but with some incorrect parameters,

the string +CME ERROR : XX is sent with different error codes.

• If the command line has been performed successfully, the string OK is

sent.

Please note that in the some cases like "AT+CPIN?", "AT+EXPKEY?", incoming events etc... the mobile does not finish its response with the string OK.

Examples : AT+CGSN<CR>

In the following examples <CR> and <CR><LF> will be intentionally omitted.

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3. AT commands for Call Control

3.1. Dial command D

This AT command is used by the external application to establish a call.

For a data call, the application sends to the GSM module the following ASCII string : (the bearer has to be selected before with the +CBST command)

ATD<xyz> where <xyz> is the called phone number.

For a voice call, the application sends to the GSM module the following ASCII string : (the bearer may be selected before, if not a default bearer is used)

ATD<xyz>; where <xyz> is the called phone number.

The answer to the command is the following :

OK if the call succeeds, for voice call only CONNECT <speed> if tthe call succeeds, for data call only, <speed>

takes the value negotiated by the GSM module. BUSY if the called party is in communication NO ANSWER if no hang up is detected after a fixed network

time-out

Please, notice that in case of international number, the local international prefix has not to be set (usually 00) but need to be replaced by the '+' character.

Example : to establish a voice call to Wavecom from another country, the AT command shall be :

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ATD+33146290800;

Notice that some country can have particular numbering rules for their GSM handset numbering.

Direct dialling from a phonebook location (stored in SIM card) can be done with the following command :

ATD>17 ; or ATD>SIM17 ; (voice call here)

3.2. Hang-Up command H

This command is used by the application to disconnect the remote user. The application sends :

Application to GSM ATH ask for disconnection GSM to application OK even if there is no

communication established

3.3. Answer a call A

When the GSM module receives a call, it set the RingInd signal and sends to the application the ASCII string RING. Then it waits for the application to accept the call.

Application to GSM ATA GSM to application OK normal case Application to GSM ATA GSM to application NO CARRIER if ATA is sent when no incoming call was

indicated (operation not allowed)

3.4. Remote disconnection

This message is used by the GSM module to indicate to the application that the communication has been released by the remote user.

The GSM module sends "NO CARRIER" to the application, and set the DCD signal.

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3.5. DTMF signals +VTD, +VTS

The GSM module offers the user application to send DTMF tones. One command shall be used for defining the duration of the tones (default value is 70 ms), the other for sending the Tones.

For defining the duration, the application uses :

AT+VTD=<n> where <n>*100 gives the duration in ms.

Application to GSM AT+VTD=1 for defining 100 ms tone duration GSM to application OK command valid Application to GSM AT+VTD=100000 GSM to application +CME ERROR: 3 if the duration is too long (the limit is to

define for each application) Application to GSM AT+VTD=0 for setting the manufacturer default value GSM to application OK

For sending DTMF tones, the application uses :

AT+VTS=<Tone> where <Tone> is in {0-9,*,#,A,B,C,D}

Application to GSM AT+VTS=A GSM to application OK command valid Application to GSM AT+VTS=11 GSM to application +CME ERROR: 4 if the <Tone> is wrong Application to GSM AT+VTS=4 GSM to application +CME ERROR: 3 if there is no communication

Exemple : to send the Tone sequence 13#, the application shall send :

AT+VTS=1 and then wait for OK AT+VTS=3 and then wait for OK AT+VTS=# and then wait for OK

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3.6. Operator selection +COPS

To select the operator, two possibilities exist :

The mobile enters the manual mode, and then try to find an operator which is indicated by the application. If it finds and registers correctly, then the mobile stays in idle mode.

The mobile enters the automatic mode, and then try to find the home operator. If it finds and registers correctly, then the mobile stays in idle mode ; if not, the mobile looks itself automatically for another network.

To force an attempt to select and register a GSM network operator, the application must send the following command :

AT+COPS=<mode>, <format>, <oper>

The first parameter indicates either automatic (value 0) or manual (value 1). The second parameter indicates the format of the third parameter. The only format supported by Wavecom module is the numerical format (value 2). The third parameter is the operator identifier (MCC3 MCC2 MCC1 MNC2 MNC1).

Application to GSM AT+COPS? ask for current plmn GSM to application +COPS: 0,2,20801

OK Application to GSM AT+COPS=? ask for plmn list GSM to application +COPS: (2,20801), (0,20810)

OK Application to GSM AT+COPS=1,2,20810 ask for registration on SFR network GSM to application +CME ERROR: 3 failed Application to GSM AT+COPS=1,1,20810 ask for registration on SFR network GSM to application +CME ERROR: 4 wrong parameters Application to GSM AT+COPS=0,2 ask for registration on home

GSM to application OK succeeded

Home plmn is France telecom

Home plmn is France Telecom SFR network has been seen

network

3.7. Redial last number ATDL

This command is used by the application to redial the last number used

in the command ATD. The application sends :

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Application to GSM ATDL redial last number GSM to application 0146290800;

last call was a speech call command valid

3.8. Signal Quality +CSQ

This command shall be used to know the signal strength indication.

Application to GSM AT+CSQ GSM to application +CSQ: <rssi>,<ber>

<rssi> and <ber> as defined in the GSM TS 07 07

3.9. Network registration +CREG

This command is used by the application to know the registration status

of the mobile.

Application to GSM AT+CREG? GSM to application +CREG: 0,<stat>

OK Application to GSM AT+CREG=1 automatically shots on GSM to application OK command valid

as defined in the GSM TS 07 07

3.10. Automatic answer ATS0

This S-parameter controls the automatic answering feature of the mobile.

Application to GSM ATS0=2 automatic answer after 2 rings GSM to application OK Application to GSM ATS0? Current value GSM to application 002

OK Application to GSM ATS0=0 no automatic answer GSM to application OK command valid

always 3 characters with leading zeros

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3.11. Gain control +VGR, +VGT

This command shall be used by the application to tune the receive gain of the speaker and transmit gain of the microphone. The application shall send

AT+VGR=<val> for the receive gain AT+VGT=<val> for the transmit gain 0 to 15 +6 db 0 to 31 +14 db 16 to 31 +4 db 32 to 63 +17 db 32 to 47 +2 db 64 to 95 +20 db 48 to 63 0 db 96 to 127 +23 db 64 to 79 -2 db 128 to 159 +26 db 80 to 95 -4 db 160 to 191 +29 db 96 to 111 -6 db 192 to 223 +32 db 112 to 127 -8 db 224 to 255 +35 db 128 to 143 -10db 144 to 159 -12 db 160 to 175 -14 db 176 to 191 -16 db 192 to 207 -18 db 208 to 223 -20db 224 to 239 -22 db 240 to 255 -24 db

16 levels for receive gain are provided and 8 levels for transmit gain.

Application to GSM AT+VGR=25 GSM to application OK command valid Application to GSM AT+VGT=45 GSM to application OK command valid

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3.12. SideTone modification +SIDET

The syntax of the command is :

AT+SIDET=<val1>,<val2>

This command is used to get an echo of the voice in the speaker (to hear what is said in the speaker).

<val2> level <val1> presence

0 0 db 0 SideTone is disabled 1 - 6 db 1 SideTone is enabled 2 -12 db 3 -18 db

Application to GSM AT+SIDET=1,0 GSM to application OK command valid Application to GSM AT+SIDET? current value GSM to application +SIDET: 1,0

command valid

3.13. Echo canceler +ECHO

The syntax of the command is :

AT+ECHO=<val1>,<val2>

This command is used for car kit applications to reduce the echo effects than can occur in a car.

<val2> attenation <val1> presence

0 - 18 db 0 Echo is disabled 1 - 24 db 1 Echo is enabled 2 -30 db 3 - 36 db

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Application to GSM AT+ECHO=1,0 GSM to application OK command valid Application to GSM AT+ECHO? current value GSM to application +ECHO: 1,0

command valid

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4. AT commands for SIM, E2prom

4.1. Product Serial Number +CGSN

This command allows the user application to know the IMEI of the GSM module. The application sends :

Application to GSM AT+CGSN request IMEI GSM to application 135790248939

OK Application to GSM AT+CGSN request IMEI GSM to application +CME ERROR: 22 IMEI not found in E2PROM

IMEI present in E2PROM

4.2. Request model identification +CGMM

This command is used to get the hardware version.

Application to GSM AT+CGMM get hardware version GSM to application GSM P 900

command valid

4.3. Request revision identification +CGMR

This command is used to get the software version.

Application to GSM AT+CGMR get software version GSM to application V2.74

command valid

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4.4. Manufacturer identification +CGMI

This command gives the manufacturer identification.

Application to GSM AT+CGMI get manufacturer identification GSM to application WELCOME

command valid (« WELCOME » is not a manufacturer identification !)

4.5. Capabilities list +GCAP

This command gives the complete capabilities list.

Application to GSM AT+GCAP get capabilities list GSM to application +CGSM

supports GSM commands

4.6. Phone activity status +CPAS

This command returns the activity status of the mobile.

Application to GSM AT+CPAS Current activity status GSM to application +CPAS: "x"

"x" as defined in the GSM TS 07 07

4.7. Power off +CPOF

This command stops the GSM software stack and then the hardware

layer.

Application to GSM AT+CPOF GSM to application OK command valid

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4.8. Set phone functionality +CFUN

This command selects the level of functionality in the mobile station.

• When the application wants to stop the module for making a power off, or if the application wants to force the module for executing a IMSI DETACH procedure, then it has to send :

AT+CFUN=0

This command executes a IMSI DETACH and makes a backup of some

internal parameters in the SIM and the EEPROM.

If the mobile is not powered off after this command, it shall received

another command to re-start the whole GSM process.

If the mobile is turned off after this command, then the power on will

automatically execute the start of the whole GSM process.

• When the application wants to re-start the module (after having done a AT+CFUN=0 command, and without having cut the power supply), it has to send :

AT+CFUN=1,1

This command starts again all the GSM stack and GSM functionality.

Application to GSM AT+FUN? ask for current functionality GSM to application +CFUN: "x"

"x" as defined in the GSM TS 07 07

OK Application to GSM AT+CFUN=0 set minimum functionality GSM to application OK command valid Application to GSM AT+CFUN=1 set full functionality GSM to application OK command valid Application to GSM AT+CFUN=1,0 set full functionality without reset GSM to application OK command valid Application to GSM AT+CFUN=1,1 set full functionality with reset GSM to application OK command valid

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4.9. Enter PIN/PUK code +CPIN

This command is used to validate the PIN code, or to validate the PUK

code (and define a new PIN code).

If the user application try to establish an outgoing call before having validated the SIM PIN code, then the GSM module will refuse the "ATD" command with a "+CME ERROR: 11" (SIM PIN required).

It's up to the application to validate the PIN after each reset or power on. The application shall therefore use the command :

AT+CPIN="<pin>"

Application to GSM AT+CPIN=1234 enter PIN GSM to application OK PIN correct Application to GSM AT+CPIN=5678 enter PIN GSM to application +CME ERROR: 16 incorrect password

After 3 unsuccessful codes, the PUK will then be required. The PUK validation forces the user to enter as a second parameter a new PIN code which will be the future PIN code if the PUK validation succeeds. The application shall therefore use the command :

AT+CPIN="<puk>","<new pin>"

Application to GSM AT+CPIN=1234,5896 enter PUK and new PIN GSM to application OK PUK correct Application to GSM AT+CPIN=5000,5896 enter PUK and new PIN GSM to application +CME ERROR: 16 incorrect password

To know which code has to be entered (or not), the following interrogation command will be implemented :

AT+CPIN?

The possible responses are :

+CPIN: READY No PIN is needed +CPIN: SIM PIN PIN is required +CPIN: SIM PUK PUK is required +CME ERROR: <err> SIM failure, SIM absent etc.

Please note that in this case the mobile does not finish its response with the OK string.

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Example : 3 failed PIN validations + 1 successful PUK validation

AT+CPIN? +CPIN: SIM PIN AT+CPIN="1235" +CME ERROR: 16 AT+CPIN="1236" +CME ERROR: 16 AT+CPIN="1238" +CME ERROR: 16 AT+CPIN? +CPIN: SIM PUK AT+CPIN="99999999","5678" OK AT+CPIN? +CPIN: READY

the application asks for PIN status the GSM module requires PIN the application enters the PIN bad PIN Second attempt bad PIN last attempt bad PIN and now ? the GSM module requires PUK the PUK is entered, the new PIN shall be 5678 PUK validation is OK. New Pin is 5678 and now ? GSM module is ready

4.9.1. Remark

In the way Application to GSM, an "h" character shall be added before the PIN value if cyphering mode (with D.E.S algorithm ) is on. See +EXPKEY command.

Same remark for +CLCK and +CPWD commands.

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4.10. Facility lock +CLCK

This command shall be used by the application to change a facility status.

The "SC" facility means SIM PIN facility.

The "PS" facility is used for SIM lock facility with a 8 digits password.

The "WNL" facility is used for network lock with a 8 digits password (NCK).

"1" locks the facility, "0" unlocks the facility. The password length is given with the AT+CPWD= ? command.

Application to GSM AT+CLCK? Read PIN status GSM to application +CLCK: ("SC", 0)

PIN is disabled

OK Application to GSM AT+CLCK="SC",1,1234 enable PIN GSM to application OK PIN iwas good Application to GSM AT+CLCK? Read PIN status GSM to application +CLCK: ("PS", 0), ("SC", 1), ("AO", 0),

("OI", 0), ("OX", 0), ("AI", 0), ("IR", 0),

PIN is enabled, all other facilities are disabled

("AB", 0), ("AG", 0), ("AC", 0),

("WNL", 0)

OK Application to GSM AT+CLCK="SC",0,5555 disable PIN GSM to application +CME ERROR: 16 PIN was wrong Application to GSM AT+CPIN=1234 Enter PIN GSM to application OK PIN was good Application to GSM AT+CLCK= ? request supported facilities GSM to application +CLCK : ("PS","SC","AO","OI", "OX",

supported facilities

"AI", "IR","AB", "AG","AC", "WNL")

OK Application to GSM AT+CLCK="WNL",1,12345678 Activate network lock GSM to application OK Network lock activated

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4.11. Change password +CPWD

This command shall be used by the application to change the PIN The facility "SC" means SIM card. Other network facilities (Call barring,

SIM or network lock) will use the same AT command.

For the network lock ("WNL"), the unlock is forbidden after 10 failed

attempts to disable (unlock) the network lock with an incorrect password.

Application to GSM AT+CPWD=? Possible values GSM to application +CPWD: ("PS", 8),("SC", 8),("AO",

4),("OI", 4), ("OX", 4),("AI", 4),("IR", 4),

("AB", 4), ("AG", 4), ("AC", 4), ("WNL",

OK Application to GSM AT+CPWD="SC",1234,5555 change PIN GSM to application OK PIN iwas good Application to GSM AT+CPWD="SC",1234,5555 Change PIN GSM to application +CME ERROR: 16 PIN was wrong Application to GSM AT+CPIN=5555 Enter PIN GSM to application OK PIN was good Application to GSM AT+CPWD="WNL",12345678,

00000000 GSM to application OK NCK changed for net lock

PIN must be on 8 digits maximum

change NCK

4.12. Select phonebook memory storage +CPBS

This command selects phonebook memory storage. The only available

phonebook is the SIM phonebook (" SM ")

Application to GSM AT+CPBS=? Possible values GSM to application +CPBS: ("SM")

OK Application to GSM AT+CPBS ? Status GSM to application +CPBS : "SM",10,20

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SIM phonebook supported

SIM phonebook selected, 10 used locations, 20 locations

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4.13. Read phonebook entries +CPBR

This command returns phonebook entries for a location range from the

current phonebook memory storage selected with +CPBS.

Application to GSM AT+CPBR=? Test command GSM to application +CPBR: (1-50), 20,10

Application to GSM AT+CPBR=12,14 Read entries from 12 to 14 GSM to application +CPBR : 12,"112",129,"Emergency"

+CPBR : 13,"+331290909",145, "Fred"

+CPBR :

14, "0146290808",129, "Zazi"

OK Application to GSM AT+CPBR=10 Read entry 10 GSM to application +CPBR :10,"0146290921",129,"Rob"OKDisplay location 10

50 locations (from 1 to 50), max length of 20 for phone 10 characters max for the associated text

Display locations 12,13,14 with Location, Number, Type, Text

Application to GSM AT+CPBR=52 Read entry 52 (wrong) GSM to application +CME ERROR: 21 Invalid index

4.14. Find phonebook entries +CPBF

This command returns phonebook entries wich alphanumeric field start

with a given string.

Application to GSM AT+CPBF=? Test command GSM to application +CPBF: 20,10

OK Application to GSM AT+CPBF= "E" Read entries with "E" GSM to application +CPBF : 12,"112",129,"Emergency"

+CPBF : 15,"+331290101",145, "Eric"

OK Application to GSM AT+CPBF="H" Read entries with "H" GSM to application +CME ERROR: 22 Entry not found

max length of 20 for phone 10 characters for the text

Display locations with text field starting with "E"

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4.15. Write phonebook entiy +CPBW

This command writes phonebook entry in location number <index> in the

current phonebook memory storage.

Application to GSM AT+CPBW=? Test command GSM to application +CPBW: (1-50),20,(129,145),10

Application to GSM AT+CPBW=3 Erase location 3 GSM to application OK Location 3 erased Application to GSM AT+CPBW=5,"112",129 ,"SOS" Write at location 5 GSM to application OK Location 5 written Application to GSM AT+CPBW=5,"01290917",129,"Jacky" Overwrite location 5

50 locations, phone length=20, TON/NPI of 129 or 145, text length=10

GSM to application OK Location 5 is overwritten Application to GSM AT+CPBW=,"+33145221100",145,"S

OS"

Write at the first free location

GSM to application OK Free location is written Application to GSM AT+CPBW=,"0345221100",129,"SOS" Write at the first free

location

GSM to application +CME ERROR: 20 Phonebook full Application to GSM AT+CPBW=57,"112",129 ,"WM" Write at loc 57 (wrong) GSM to application +CME ERROR: 21 Invalid index Application to GSM AT+CPBW=7,"012345678901234567

890",129 ,"WAVE"

Write at loc 7 a long Phone number (21 digits)

GSM to application +CME ERROR: 26 Phone too long Application to GSM AT+CPBW=7,"0122334455",129 ,"WA

VECOM TEL"

Write at loc 7 a long Text (11 characters)

GSM to application +CME ERROR: 24 Text too long

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5. AT commands for short messages

5.1. Parameters definition

<da> is the destination address. <dcs> is the data coding scheme and is coded like in document [5]. <dt> is the discharge time. <fo> is coded like first octet of SMS-SUBMIT in document [4]. <index> is the place of storage in memory. <length> is the number of characters in text mode or the length of data

binary string in PDU mode.

<mr> is the message reference. <oa> is the originator address. <pid> is the protocol identifier. <pdu> is the binary string coded as specified in document [4] <ra> is the recipient address. <sca> is the address of the service center. <scts> is the service center time stamp. <st> is the status. <stat> is the status of message in memory. <tooa> is the integer format of <oa>. <tora> is the integer format of <ra>.

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<tosca> is the integer format of <sca>. <vp> is the validity period of the message.

5.2. Select message service +CSMS

The supported services are GSM originated and terminated short

message services. The Cell broadcast service is not supported yet.

Application to GSM AT+CSMS? Current service GSM to application +CSMS: 0, 1, 1, 0

Application to GSM AT+CSMS=? Possible service GSM to application +CSMS: (0)

GSM 03.40 et 03.41, SMO and SMT supported, SMCB not supported

Only GSM 03.40 et 03.41 is possible

5.3. Preferred Message Storage +CPMS

The incoming messages are automatically stored in the SIM.

Application to GSM AT+CPMS? Read it GSM to application +CPMS: "SM", 3, 10

Application to GSM AT+CPMS=? Possible storage GSM to application +CPMS: "SM"

3 messages are stored in SIM. 10 is the total available SIM memory.

Only SIM is possible

5.4. Preferred Message Format +CMGF

The formats implemented are the text mode and the PDU mode. In PDU mode, a complete SMS Message including all header information

is passed as a binary string (document [4] for the format of the binary string).

In Text mode, every commands and responses are in ASCII characters. The chosen format is stored in E2PROM by the command +CSAS.

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Application to GSM AT+CMGF ? current message format GSM to application +CMGF: 1

Text mode

OK Application to GSM AT+CMGF=? Possible message format GSM to application +CMGF: (0-1)

Text or PDU modes are available

Example to send a SMS Message in PDU mode

Application to GSM AT+CMGF=0 PDU message format GSM to application OK PDU mode valid Application to GSM AT+CMGS=14<CR>01F60691214365

Send MSG

000004C9E9340B GSM to application +CMGS: 246

MSG correctly sent

14 is the length of octets of the PDU buffer coded as GSM 03.40 . In this case this buffer is 0x01 0xF6 0x06 0x91 0x21 0x43 0x65 0x00 0x00 0x04 0xC9 0xE9 0x34 0x0B which means regarding to GSM 03.40 :

TP-MTI : 0x01 (SMS-SUBMIT) <mr>: 0xF6 <da>: 0x06 0x91 0x21 0x43 0x65 (+123456) <pid>: 0x00 <dcs>: 0x00 (Data coding scheme : 7 bits alphabet chosen) TP-UDL : 0x04 (User data length) TP-UD : 0xC9 0xE9 0x34 0x0B (User data : ISSY)

TPDU in hexadecimal format must be converted into two ascii characters. E.G octet with hexadecimal value 0x2A is presented to the mobile as two characters ‘2’ (ascii 50) and ‘A’ (ascii 65).

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5.5. Save settings +CSAS

All settings specified in command +CSCA, +CMGF, +CSMP, +CNMI, +CSDH are stored in E2PROM if the SIM card is phase 1 or in the SIM card if this one is phase 2.

Application to GSM AT+CSAS Store GSM to application OK command correct

5.6. Restore settings +CRES

All settings specified in command +CSCA, +CMGF, +CSMP, +CNMI, +CSDH are restored from E2PROM if the SIM card is phase 1 or from the SIM card if this one is phase 2.

Application to GSM AT+CRES Restore GSM to application OK command correct

5.7. Show text Mode Parameters +CSDH

This commands gives more informations in text mode result codes. These informations are in brackets in commands +CMTI, +CMT, +CDS, +CMGR, +CMGL.

Application to GSM AT+CSDH? current value GSM to application +CSDH: 0

do not show header values

5.8. Select TE character set +CSCS

This commands informs the ME which character set is used by the TE. ME is then able to convert character strings correctly. This is used for commands +CMGS in text mode.

Application to GSM AT+CSCS="GSM" GSM default alphabet GSM to application OK Command valid Application to GSM AT+CSCS="PCCP437" PC character set Code

Page 437

GSM to application OK Command valid

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5.9. New message indication +CNMI

This command selects the procedure how receiving the message from the network.The application must send the following command :

AT+CNMI=<mode>,<mt>,<bm>,<ds>,<bfr>

<mode> (controls the processing of unsolicited result codes) :

0 Buffer unsolicited result codes in the TA. If TA result code buffer is full,

indications can be buffered in some other place or the oldest indications may be discarded and replaced with the new received indications.

1 Discard indication and reject new received message unsolicited result

codes when TA-TE link is reserved. Otherwise forward them directly to the TE.

2 Buffer unsolicited result codes in the TA when TA-TE link is reserved

and flush them to the TE after reservation. Otherwise forward them directly to the TE

3 Forward unsolicited result codes directly to the TE. TA-TE link specific

inband used to embed result codes and data when TA is in on-line data mode.

<mt> (sets the result code indication routing for SMS-DELIVERs) :

0 no SMS-DELIVER indications are routed. 1 SMS-DELIVERs are routed using unsolicited code :

+CMTI : « SM », <index>

2 SMS-DELIVERs (except class 2 messages) are routed using unsollicited

code : +CMT : <pdu> (if PDU mode chosen) or +CMT : <oa>,<scts>[,<tooa>,<fo>,<pid>,<dcs>,<sca>,<tosca>,<length>]<CR><L F><data>

3 class 3 SMS-DELIVERS are routed directly using code in <mt>=2 ;

message of other classes result in indication <mt>=1

<bm> (the rules for storing received CBMs Types depend on its coding scheme, the setting of Select CBM Types (+CSCB) and this value) :

0 no CBM indications are routed to the TE.

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1 If CBM is stored into ME/TA, indication of the memory location is routed

to the TE using unsolicited result code : +CBMI : <mem>, <index>

2 New CBMs are routed directly to the TE using unsolicited result code.

+CBM : <length><CR><LF><pdu> (if PDU mode chosen) or +CBM :<sn>,<mid>, <dcs>,<page>,<pages><CR><LF><data> (text mode-enabled)

3 class 3 SMS-DELIVERS are routed directly using code in <mt>=2 ;

message of other classes result in indication <mt>=1

<ds> (for SMS-STATUS-REPORTs) :

0 no SMS-STATUS-REPORTs are routed. 1 SMS-STATUS-REPORTs are routed using unsolicited code :

+CDS : <pdu> (if PDU mode chosen) or +CDS : <fo>,<mr>[,<ra>,<tora>],<scts>,<dt>,<st>

<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)

1 TA buffer of unsolicited result codes defined within this command is

cleared when <mode> 1...3 is entered.

Examples :

Application to GSM AT+CNMI=0,1,0,0,0 <mt>=1 GSM to application OK GSM to application +CMTI : « SM », 1 Message received Application to GSM AT+CNMI=0,2,0,0,0 <mt>=2 GSM to application OK GSM to application +CMT :"123456","13/01/96

Message received

12h30m00s",129,4,32,240,"15379",129 ,5<CR><LF>

HELLO Application to GSM AT+CNMI=0,0,0,1,0 <ds>=1 GSM to application OK

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Application to GSM AT+CMGS="+33146290800"<CR>

Hello, how are you ?^Z GSM to application +CMGS : 116

OK GSM to application +CDS : 2,116, "+33146290800",145,

"13/01/96 12h30m00s","14/01/96

20h51m05s",16

5.10. Read message +CMGR

This command allows the application to read incoming stored messages.

AT+CMGR=<index>

+CMGR=<stat>,<oa>,<scts>[,<tooa>,<fo>,<pid>,<dcs>,<sca>,<tosca>,

<length>]<CR><LF><data> (for SMS-DELIVER only)

This command is also available in PDU mode. +CMGR=<stat>,<length<CR><LF><pdu> Example :

Send a message in text mode Successful transmission

GSM to application +CMTI: "SM",1 New message received Application to GSM AT+CMGR=1 read the message GSM to application +CMGR: "REC UNREAD",

"43322449"<CR>

To be or not to be!

OK Application to GSM AT+CMGR=1 read again the message GSM to application +CMGR: "REC READ",

"43322449",20<CR>

To be or not to be!

OK Application to GSM AT+CMGR=2 read + bad index GSM to application +CMS ERROR: 321 error : invalid index Application to GSM AT+CMGR=1 in PDU mode GSM to application +CMGR: "REC READ",

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5.11. List message +CMGL

This command allows the application to read stored messages, by

indicating the type of the message to read.

AT+CMGL=<stat>

<stat> (status of message in memory) :

0 "REC UNREAD" ( received unread message ) 1 "REC READ"( received read message ) 2 "STO UNSENT"( stored unsent message ) 3 "STO SENT"( stored sent message ) 4 "ALL"( all messages )

+CMGL=<index>,<stat>,<da/oa>[,<alpha>,<scts>,<tooa/toda>,<length>]

This command is also available in PDU mode. +CMGL=<index>,<stat>,<length<CR><LF><pdu> Examples :

Application to GSM AT+CMGL=0 read the message GSM to application +CMGL: 1, "REC UNREAD",

"43322449"<CR>

To be or not to be!

+CMGL: 3, "REC UNREAD",

"46290800"<CR>

Be happy!

OK Application to GSM AT+CMGL=1 read again the message GSM to application +CMGL: 2, "REC READ",

"43322449",20<CR>

Keep cool

OK Application to GSM AT+CMGL=2 read + bad index GSM to application +CMS ERROR: 321 error : invalid index

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5.12. Send message +CMGS

The <address> field is the address of the terminal network to whom the message is sent ; <exitmethod> is ^Z : ASCII 26. The text can contain all existing character except ^Z.

Example of use :

Application to GSM AT+CMGS="+33146290800"<CR>

Hello, how are you ?^Z

GSM to application +CMGS : <mr>

Application to GSM AT+CMGS=<length><CR>

<pdu>^Z

GSM to application +CMGS : <mr>

The message reference <mr> which is returned back to the application is allocated by the GSM module. This number begins with 0 and is incremented by one for each outgoing message (successful and failure case) ; it is cyclic on one byte (0 follows 255).

Note : this number is not a storage number - outgoing messages are not stored.

5.13. Set Text Mode Parameters +CSMP

This command shall be used to select value for the <vp>, <pid>, the <dcs>. The application must send the following command :

Send a message in text mode Successful transmission

Send a message in PDU mode Successful transmission

AT+CSMP=<fo>, <vp>, <pid>,<dcs>

In text mode <vp> is coded only in "relative" format. This means one octet (see document [4] for more details).

Application to GSM AT+CSMP? current values GSM to application +CSMP: 0,0,0,0

Application to GSM AT+CSMP=16,32,64,244 validity period = 32 GSM to application OK command correct

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no validity period dcs = PCCP437 alphabet ( 8 bits -> 7 bits )

dcs = GSM 8 bits alphabet

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5.14. Delete message +CMGD

This command shall be used after a read-command in order to delete the received stored message.

For example :

GSM to application +CMTI: "SM",3 New message received Application to GSM AT+CMGR=3 Read it GSM to application +CMGR: "REC UNREAD",

"43322449",20<CR> To be or not to be!

OK Application to GSM AT+CMGD=3 Delete it GSM to application OK

5.15. Service center address +CSCA

This command shall be used to indicate to which service center the

message has to be sent.

The GSM module has no default value for this address. If the application tries to send a message without having indicated the service center address, an error will be generated.

So, the application has to indicate this address at initialization. This address is then valid all the time. The application may change it if needed.

For example, let us suppose that no AT+CSCA has been already sent.

Application to GSM AT+CMGS="+33146290800"<CR>

Hello, how are you ?^Z GSM to Application +CMS ERROR : 330 Service center unknown Application to GSM AT+CSCA="96741234" Service center initialization GSM to application OK Application to GSM AT+CMGS="+33146290800"<CR>

Hello, how are you ?^Z GSM to application : +CMGS : 1

Send a message

Send again the same message Successful transmission

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6. AT commands for Supplementary Services

6.1. Call forwarding +CCFC

This commands allows control of the call forwarding supplementary

service. The command to manage this functionality is :

AT+CCFC=<reason>,<mode>[, <number>]

* <reason> :

0 unconditional 1 mobile busy 2 no reply 3 not reachable 4 all call forwarding 5 all conditional call forwarding

* <mode> :

2 interrogate 3 registration 4 erasure

Application to GSM AT+CCFC=0,3,146290800 register call forwarding unconditional GSM to application OK command valid Application to GSM AT+CCFC=0,2 interrogate call forwarding unconditional GSM to application +CCFC=1,7,146290800

OK Application to GSM AT+CCFC=0,4 erase call forwarding unconditional GSM to application OK command valid

call forwarding active

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6.2. Call barring +CLCK

This commands allows control of the call barring supplementary service.

The command to manage this functionality is :

AT+CLCK=<fac>,<lock>, <password>

* <fac> :

AO barring all outgoing calls AI barring all incoming calls OI barring outgoing international

OX barring outgoing international

IR barring incoming calls when AG all outgoing barring services

AC all incoming barring services AB all barring services

*<lock>

calls calls except those to home

country roaming outside home country

0 unlocks the facility 1 locks the facility

Password code must be on 4 digits maximum.

Application to GSM AT+CLCK="AO",1,1234 GSM to application OK command valid Application to GSM AT+CLCK="AO",0,5555 GSM to application +CME ERROR: 16 wrong password Application to GSM AT+CLCK="AO",0,1234 GSM to application OK command valid

6.3. Modify SS password +CPWD

This command shall be used by the application to change the supplementary service password. The command to manage this functionality is :

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AT+CPWD=<fac>,<oldpassword>, <newpassword>

for <fac> see +CLCK command.

Application to GSM AT+CPWD="AO",1234,5555 change password GSM to application OK Password was good Application to GSM AT+CPWD="AO",1234,5555 Change password GSM to application +CME ERROR: 16 password wrong Application to GSM AT+CPWD="AO",5555,1234 change password GSM to application OK Password was good

6.4. Call waiting +CCWA

This command allows control of the call waiting supplementary service. The module supports only one communication. If a call waiting call happens, the module will disconnect it.

The command to manage this functionality is :

AT+CCWA=<n>,<mode>[, <class>]

* <n> : (result code presentation status in the TA)

0 disable 1 enable

* <mode> :

0 disable 1 registration 2 interrogate

Application to GSM AT+CCWA=1,1 enable call waiting GSM to application OK command valid Application to GSM AT+CCWA=1,2 interrogate call forwarding unconditional GSM to application +CCWA="x",7

GSM to application RING

+CCWA: +146290800,145,7

"x" = 1 active "x" = 0 not active incoming call number of the incoming call incoming call is disconnected

NO CARRIER

Application to GSM AT+CCWA=1,0 erase call waiting

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GSM to application OK command valid

6.5. Calling line identification restriction +CLIR

This command allows control of the calling line identification restriction supplementary service.

AT+CLIR=<n>

* <n> : (temporary mode status in the TA)

0 set presentation indicator according to the subscription

of the CLIR service 1 CLIR invocation 2 CLIR suppression

Application to GSM AT+CLIR=2 GSM to application OK command valid Application to GSM AT+CLIR? Ask for current functionality GSM to application +CLIR: <n>,"y"

"y" as defined in the GSM TS 07 07

6.6. Calling line identification presentation +CLIP

This command allows control of the calling line identification presentation

supplementary service : AT+CLIP=<n>

* <n> : (result code presentation status in the TA)

0 disable 1 enable

Application to GSM AT+CLIP=1 CLIP on GSM to application OK command valid Application to GSM AT+CLIP? ask for current functionality GSM to application +CLIP: 1,"x"

"x" = 0 CLIP not provisionned "x" = 1 CLIP provisionned "x" = 2 unknown (no network ...)

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GSM to application RING

incoming call

+CLIP: 146290800,145 Application to GSM AT+CLIP=0 CLIP OFF GSM to application OK command valid

6.7. Connected line identification presentation +COLP

This command allows control of the connected line identification

presentation supplementary service.

AT+COLP=<n>

* <n> : (result code presentation status in the TA)

0 disable 1 enable

Application to GSM AT+COLP=1 COLP on GSM to application OK command valid Application to GSM AT+COLP? ask for current functionality GSM to application +COLP: 1,"x"

Application to GSM ATD146290800; outgoing call GSM to application +COLP: 146290928,145

OK Application to GSM AT+COLP=0 COLP OFF GSM to application OK command valid

"x" = 0 COLP not provisionned "x" = 1 COLP provisionned "x" = 2 unknown (no network ...)

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7. AT commands for data

7.1. Bearer type selection +CBST

The syntax of the command is AT+CBST=<speed>,0,<ce>

The selection of the bearer impacts both incoming and outgoing calls. No data compression is provided and only asynchronous modem is supported.

<speed> Modem type transmission mode

0 :autobauding None asynchronous MODEM 4 :2400 bps, V22bis asynchronous MODEM 5 :2400 bps V26ter asynchronous MODEM 6 :4800 bps V32 asynchronous MODEM 7 :9600 bps V32 asynchronous MODEM 68 :2400 bps V110 asynchronous MODEM 70 :4800 bps V110 asynchronous MODEM 71 :9600 bps V110 asynchronous MODEM

<ce> connection element

0 Transparent only

1 Non transparent only 100 Transparent preferred 101 Non transparent preferred

Application to GSM AT+CBST=7,0,1 ask for a bearer GSM to application OK bearer supported Application to GSM AT+CBST=81,0,0 ask for a bearer

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GSM to application +CME ERROR : 4 bearer not supported

7.2. Report control +CR, +CRC

7.2.1. Outgoing call +CR

This command enables a more detailed service reporting, in case of data outgoing call. Before sending the CONNECT response to the application, the GSM module will precise the type of data connection that have been established.

These report types are :

+CR: ASYNC for asynchronous transparent +CR: REL ASYNC for asynchronous non-transparent

Application to GSM AT+CR=0 extended reports disabled GSM to application OK command valid Application to GSM AT+CR=1 extended reports enabled GSM to application OK command valid

Default value is stored in E2PROM.

7.2.2. Incoming call +CRC

This command enables a more detailed ring indication, in case of incoming call (voice or data). Instead of the string "RING", an extended string is used to indicate which type of call is ringing.

These extended indications are :

+CRING: ASYNC for asynchronous transparent +CRING: REL ASYNC for asynchronous non-transparent +CRING: VOICE for normal speech. +CRING : FAX for fax calls

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Application to GSM AT+CRC=0 extended reports disabled GSM to application OK command valid Application to GSM AT+CRC=1 extended reports enabled GSM to application OK command valid

Default value is stored in E2PROM.

7.3. Echo E

Determines whether the mobile echoes (sends) the commands you enter to your computer screen as you type them..

Application to GSM ATE0 no local echo GSM to application OK command valid Application to GSM ATE1 local echo GSM to application OK command valid

7.4. Fixed DTE rate +IPR

This commands specifies the data rate at which the DCE will accept commands.

Application to GSM AT+IPR? GSM to application +IPR: 9600

OK Application to GSM AT+IPR=? GSM to application +IPR:(),(2400,9600,19200,38400,576

00,115200)

OK Application to GSM AT+IPR=38400 GSM to application OK new rate is 38400 bps

current rate is 9600 bps

possible values. No autodectable rate supported

7.5. Back to online mode O

If you have established a connection and the mobile is in online

command mode, this command allows to return to online data mode.

Application to GSM ATO GSM to application OK command valid

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7.6. DTE-DCE character framing +ICF

This command is used to determine the local serial port start-stop

(asynchronous) character framing that the DCE shall use.

AT+ICF=<format>,<parity>

* <format> :

0 autodetect not supported 1 8 Data 2 Stop supported 2 8 Data 1 Parity 1 Stop supported 3 8 Data 1 Stop supported 4 7 Data 2 Stop supported 5 7 Data 1 Parity 1 Stop supported 6 7 Data 1 Stop supported

* <parity> :

0 Odd supported 1 Even supported 2 Mark supported 3 Space supported 4 None supported

Application to GSM AT+ICF? GSM to application +ICF: 3,4

OK Application to GSM AT+ICF=? GSM to application +ICF: (0-6),(0-3)

OK Application to GSM AT+ICF=0,0 GSM to application OK new values

current values

possible values.

7.7. Repeat last command A/

Application to GSM A/ repeat last command

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7.8. Default configuration Z

Restores the configuration profile.

Application to GSM ATZ GSM to application OK command valid

7.9. DTE-DCE local flow control +IFC

This command is used to control the operation of local flow control

between the DTE and DCE.

AT+IFC=<DCE_by_DTE>,<DTE_by_DCE>

* < DCE_by_DTE > :

0 none not supported 1 Xon/Xoff local circuit 103 not supported 2 RTS supported 3 Xon/Xoff global on circuit 103 not supported

* < DTE_by_DCE > :

0 none not supported

1 Xon/Xoff circuit 104 not supported

2 CTS supported

Application to GSM AT+IFC? GSM to application +IFC: 2,2

OK Application to GSM AT+IFC=? GSM to application +IFC: (0-3),(0-2)

OK Application to GSM AT+IFC=0,0 GSM to application OK new values

current values

possible values.

7.10. Set DCD signal &C

This commands controls the Data Carrier Detect (DCD) signal.

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Application to GSM AT&C0 DCD always on GSM to application OK command valid Application to GSM AT&C1 DCD matches state of the remote modem's

data carrier

GSM to application OK command valid

7.11. Set DTR signal &D

This commands controls the Data Terminal Ready (DTR) signal.

Application to GSM AT&D0 the DTR signal is ignored GSM to application OK command valid Application to GSM AT&D1 Modem switches from data to command mode

when DTR switches from on to OFF

GSM to application OK command valid Application to GSM AT&D2 Upon DTR switch from on to OFF, the call is

cleardown

GSM to application OK command valid

7.12. Set DSR signal &S

This commands controls the Data Set Ready (DSR) signal.

Application to GSM AT&S0 DSR always on GSM to application OK command valid Application to GSM AT&S1 DSR off in command mode, DSR on in data

mode

GSM to application OK command valid

7.13. Save configuration &W

This commands writes the active configuration to nonvolatile RAM.

Application to GSM AT&W writes current configuration to E2prom GSM to application OK command valid

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7.14. Radio link protocol parameters +CRLP

This command allows to change the radio link protocol parameters used

for non transparent data transmission.

AT+CRLP=<up-window size>,<down-window size>,<acknowledgement

timer>,<retransmission attempts>,<reset allowed>

Application to GSM AT+CRLP=10,10,90,10,0 set new parameters GSM to application OK command valid Application to GSM AT+CRLP? current values GSM to application AT+CRLP: 10,10,90,10

command valid

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8. Other AT commands

8.1. V.25 ter recommandation

All the remaining basic commands are implemented in WAVECOM's AT parser. An "OK" string will be sent back but no further software treatment will happen.

All commands about modulation control, error control and data compression are not recognized. An "ERROR" string will be sent back.

8.2. GSM 07.05 recommandation

All the remaining commands are implemented in WAVECOM's AT parser. An "+CMS ERROR : 303" string will be sent back but no further software treatment will happen.

8.3. GSM 07.07 recommandation

All the remaining commands are implemented in WAVECOM's AT parser. An "+CME ERROR : 4" string will be sent back but no further software treatment will happen.

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9. Failure result codes

9.1. Report Mobile Equipement errors +CMEE

This command disables or enables the use of result code +CME ERROR : <xxx> or +CMS ERROR :<xxx>

Application to GSM AT+CMEE=0 disable « +CME ERROR : <xxx> »

and use « ERROR » instead GSM to application OK Application to GSM AT+CMEE=1 enable « +CME ERROR : <xxx> » GSM to application OK

9.2. Extended error report +CEER

If the last call setup (originating or answering) fails, this command gives

the reason of the call release.

Application to GSM ATD123456789 ; outgoing voice call GSM to application NO CARRIER Application to GSM AT+CEER ask for reason of release GSM to application +CEER : Error <xxx>

The cause information element from GSM 04.08 is given below.

<xxx> is the cause information

element values from GSM

recommandation 04.08

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9.3. Mobile equipment error result code : +CME ERROR: xxx

xxx is defined as below :

0 Phone failure 3 Operation not allowed

4 Operation not supported 10 SIM not inserted 11 SIM PIN required 12 SIM PUK required 13 SIM failure 16 Incorrect password 22 Not found 24 Text string too long 26 Dial string too long 30 No network service

256 protocol stack bad state 257 Bad cell ( not in the synchronized ones 258 Lost cell ( due to DSF...)

9.4. Message service failure result code: +CMS ERROR : xxx

xxx is defined as below :

1 to 127 error cause values from the GSM

recommendation 04.11 Annex E-2 301 SMS service of ME reserved 302 operation not allowed 303 operation not supported 305 invalid text mode parameter 313 SIM failure 321 Invalid memory index 322 SIM memory full 330 SC address unknown

Error cause values from GSM 04.11 are given below.

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9.5. Cause information element values from GSM recommandation 04.08

Cause value Diagnostic

1 Unassigned (unallocated) number 3 No route to destination 6 Channel unacceptable

8 Operator determined barring 16 Normal call clearing 17 User busy 18 No user responding 19 User alerting, no answer 21 Call rejected 22 Number changed 26 Non selected user clearing 27 Destination out of order 28 Invalid number format (incomplete number) 29 Facility rejected 30 Response to STATUS ENQUIRY 31 Normal, unspecified 34 No circuit/channel available 38 Network out of order 41 Temporary failure

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42 Switching equipment congestion 43 Access information discarded 44 requested circuit/channel not available 47 Resources unavailable, unspecified 49 Quality of service unavailable 50 Requested facility not subscribed 55 Incoming calls barred with in the CUG 57 Bearer capability not authorized 58 Bearer capability not presently available 63 Service or option not available, unspecified 65 Bearer service not implemented 68 ACM equal to or greater than ACMmax 69 Requested facility not implemented 70 Only restricted digital information bearer capability is

available 79 Service or option not implemented, unspecified 81 Invalid transaction identifier value 87 User not member of CUG 88 Incompatible destination 91 Invalid transit network selection 95 Semantically incorrect message 96 Invalid mandatory information

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97 Message type non-existent or not implemented 98 Message type not compatible with protocol state 99 Information element non-existent or not implemented

100 Conditional IE error 101 Message not compatible with protocol state 102 Recovery on timer expiry 111 Protocol error, unspecified 127 Interworking, unspecified

252 Call barring on outgoing calls 253 Call barring on incoming calls 254 Call impossible 255 Lower layer failure

All other values in the range 0 to 31 shall be treated as cause 31. All other values in the range 32 to 47 shall be treated as cause 47. All other values in the range 48 to 63 shall be treated as cause 63. All other values in the range 64 to 79 shall be treated as cause 79. All other values in the range 80 to 95 shall be treated as cause 95. All other values in the range 96 to 111 shall be treated as cause 111. All other values in the range 112 to 127 shall be treated as cause 127.

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9.6. GSM 04.11 Annex E-2: Mobile originating SM-transfer

Cause no 1: "Unassigned (unallocated) number"

This cause indicates that the destination requested by the Mobile Station cannot be reached because, although the number is in a valid format, it is not currently assigned (allocated).

Cause no 8: "Operator determined barring"

This cause indicates that the MS has tried to send a mobile originating short message when the MS's network operator or service provider has forbidden such transactions.

Cause no 10: "Call barred"

This cause indicates that the outgoing call barred service applies to the short message service for the called destination.

Cause no 21: "Short message transfer rejected"

This cause indicates that the equipment sending this cause does not wish to accept this short message, although it could have accepted the short message since the equipment sending this cause is neither busy nor incompatible.

Cause no 27: "Destination out of service"

This cause indicates that the destination indicated by the Mobile Station cannot be reached because the interface to the destination is not functioning correctly. The term "not functioning correctly" indicates that a signalling message was unable to be delivered to the remote user; e.g., a physical layer or data link layer failure at the remote user, user equipment offline, etc.

Cause no 28: "Unidentified subscriber"

This cause indicates that the subscriber is not registered in the PLMN (i.e. IMSI not known)

Cause no 29: "Facility rejected"

This cause indicates that the facility requested by the Mobile Station is not supported by the PLMN.

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Cause no 30: "Unknown subscriber"

This cause indicates that the subscriber is not registered in the HLR (i.e. IMSI or directory number is not allocated to a subscriber).

Cause no 38: "Network out of order"

This cause indicates that the network is not functioning correctly and that the condition is likely to last a relatively long period of time; e.g., immediately reattempting the short message transfer is not likely to be successful.

Cause no 41: "Temporary failure"

This cause indicates that the network is not functioning correctly and that the condition is not likely to last a long period of time; e.g., the Mobile Station may wish to try another short message transfer attempt almost immediately.

Cause no 42: "Congestion"

This cause indicates that the short message service cannot be serviced because of high traffic.

Cause no 47: "Resources unavailable, unspecified"

This cause is used to report a resource unavailable event only when no other cause applies.

Cause no 69: "Requested facility not implemented"

This cause indicates that the network is unable to provide the requested short message service.

Cause no 81: "Invalid short message transfer reference value"

This cause indicates that the equipment sending this cause has received a message with a short message reference which is not currently in use on the MS-network interface.

Cause no 95: "Invalid message, unspecified"

This cause is used to report an invalid message event only when no other cause in the invalid message class applies.

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Cause no 96: "Invalid mandatory information"

This cause indicates that the equipment sending this cause has received a message where a mandatory information element is missing and/or has a content error (the two cases are undistinguishable).

Cause no 97: "Message type non-existent or not implemented"

This cause indicates that the equipment sending this cause has received a message with a message type it does not recognize either because this is a message not defined or defined but not implemented by the equipment sending this cause.

Cause no 98: "Message not compatible with short message protocol

state"

This cause indicates that the equipment sending this cause has received a message such that the procedures do not indicate that this is a permissible message to receive while in the short message transfer state.

Cause no 99: "Information element non-existent or not implemented"

This cause indicates that the equipment sending this cause has received a message which includes information elements not recognized because the information element identifier is not defined or it is defined but not implemented by the equipment sending the cause.

However, the information element is not required to be present in the message in order for the equipment sending the cause to process the message.

Cause no 111: "Protocol error, unspecified"

This cause is used to report a protocol error event only when no other cause applies.

Cause no 127: "Interworking, unspecified"

This cause indicates that there has been interworking with a network which does not provide causes for actions it takes; thus, the precise cause for a message which is being send cannot be ascertained.

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10. Fax management

The firmware you have been provided with includes the fax service

(Group3, Class1)

The fax functionalities of this version have been tested and they are fully functional in several countries with the following fax softwares : Delrina Winfax, Trio, MS Winfax. However, the fax functions might work in other countries and with other fax softwares.

10.1. Setting up the module for fax

The GSM unit as well as the PC fax application have to be properly set up prior to send/receive faxes.

The only thing to do is to change the serial link rate as follows:

a) Launch any terminal application on PC and set it up to 9600 baud.

b) From the terminal application type in: AT+IPR = 2400; &W <enter>

The GSM unit should reply OK (if not, type in 'AT<enter>' as long as it does not answer 'OK' and start again stage b).

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10.2. Setting up the PC fax application:

The recommended fax application is Delrina WinFax v4.0.

It should be configured as follows (menu Setup/Fax Modem Setup) :

♦ Port: com 1 ♦ Model: Generic Class 1 (HARDWARE FLOW CONTROL). Above

all, do not select « Generic Class 1 » (Software flow control).

♦ Init: clear default string ♦ Reset: clear default string ♦ Maximum Transmit Rate: 9600 baud.

Others settings are of no interest for the GSM unit: they can be modified.

10.3. Restoring the module's default profile for data call.

If the module is configured as stated in 1/ then the serial rate is 2400 baud which of course limits the overall thoughput in support of 4800/9600 data calls.

Therefore, the serial rate should be set back to 9600 (or better 19200) baud by issueing: AT+IPR = 9600; &W <enter>

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11. Security advises and Warnings!

11.1. Limitation of Responses

The indicated dates are used as description of the product alone. They cannot be taken as characteristics assured within the meaning of the act. In the event of any claims for compensation against us, whatever the reason may be, it is not possible to raise them, if there is not to see intention or culpable negligence of our part. Technical dates are subject to change without notice. This documents is copyrighted. Duplications are not allowed.

11.2. Attention for Users!

In the direct near to RF - Transmitters or other powerful transmitting sources, it may effect a reduction of acoustic Quality. The call will not be interrupted and the transfer of data will not be disturbed. With a certain distance to the RF - source, there influences will be rapidly reduced. Because of the main target of Car - applications the following EMC tests are not implemented:

∗ fast transients / burst immunity test ∗ surge - voltage immunity test ∗ voltage dips short interrupts and voltage variations immunity test

If the WMO1-G900 is power supplied by a separate 230V /15V DC/AC adapter it is possible, that the powernet causes interrupts, which can cause interrupts of a call, but the call is immediately possible to be repeated again.

It is a matter of the chosen power supply to protect the GSM - Set against these influences.

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11.3. RF SAFETY

Your GSM modem is one of the most exciting and innovative electronic products ever developed. With it you can stay in contact with your office, your home, emergency services, and others, wherever service is provided.

IMPORTANT

FOR THE EFFICIENT AND SAFE OPERATION OF

YOUR GSM MODEM

READ THIS INFORMATION BEFORE USE

GENERAL

Your modem is based on the GSM standard for cellular technology. GSM is a newer radio frequency (« RF ») technology than the current FM technology that has been used for radio communications for decades. The GSM standard has been established for use in the European community and elsewhere.

Your modem is actually a low power radio transmitter and receiver. It sends out and receives radio frequency energy. When you use your modem, the cellular system handling your calls controls both the radio frequency and the power level of your cellular modem.

EXPOSURE TO RF ENERGY

There has been some public concern about possible health effects of using GSM modem. Although research on health effects from RF energy has focused for many years on the current RF technology, scientists have begun research regarding newer radio technologies, such as GSM. After existing research had been reviewed, and after compliance to all applicable safety standards had been tested, it has been concluded that the product is fit for use.

If you are concerned about exposure to RF energy there are things you can do to minimize exposure. Obviously, limiting the duration of your calls will reduce your exposure to RF energy. In addition, you can reduce RF exposure by operating your cellular modem efficiently by following the below guidelines.

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EFFICIENT MODEM OPERATION

For your modem to operate at the lowest power level, consistent with satisfactory call quality :

If your modem has an extendible antenna, extend it fully. Some models allow you to place a call with the antenna retracted. However your modem operates more efficiently with the antenna fully extended.

Do not hold the antenna when the modem is « IN USE ». Holding the antenna affects call quality and may cause the modem to operate at a higher power level than needed.

ANTENNA CARE AND REPLACEMENT

Do not use the modem with a damaged antenna. If a damaged antenna comes into contact with the skin, a minor burn may result. Replace a damaged antenna immediately. Consult your manual to see if you may change the antenna yourself. If so, use only a manufacturer-approved antenna. Otherwise, have your antenna repaired by a qualified technician.

Use only the supplied or approved antenna. Unauthorized antennas, modifications or attachments could damage the modem and may contravene local RF emission regulations or invalidate type approval.

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11.4. GENERAL SAFETY

DRIVING

Check the laws and regulations on the use of cellular devices in the area where you drive. Always obey them. Also, when using your modem while driving, please :

• give full attention to driving,

• pull off the road and park before making or answering a call if driving

conditions so require.

ELECTRONIC DEVICES

Most electronic equipment, for example in hospitals and motor vehicles is shielded from RF energy. However RF energy may affect some malfunctioning or improperly shielded electronic equipment.

VEHICLE ELECTRONIC EQUIPMENT

Check your vehicle manufacturer’s representative to determine if any on board electronic equipment is adequately shielded from RF energy.

MEDICAL ELECTRONIC EQUIPMENT

Consult the manufacturer of any personal medical devices (such as pacemakers, hearing aids, etc...) to determine if they are adequately shielded from external RF energy.

Turn your modem OFF in health care facilities when any regulations posted in the area instruct you to do so. Hospitals or health care facilities may be using RF monitoring equipment.

AIRCRAFT

Turn your modem OFF before boarding any aircraft.

• Use it on the ground only with crew permission.

• Do not use in the air.

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To prevent possible interference with aircraft systems, Federal Aviation Administration (FAA) regulations require you to have permission from a crew member to use your modem while the plane is on the ground. To prevent interference with cellular systems, local RF regulations prohibit using your modem whilst airborne.

CHILDREN

Do not allow children to play with your modem. It is not a toy. Children could hurt themselves or others (by poking themselves or others in the eye with the antenna, for example). Children could damage the modem, or make calls that increase your modem bills.

BLASTING AREAS

To avoid interfering with blasting operations, turn your unit OFF when in a « blasting area » or in areas posted : « turn off two-way radio ». Construction crew often use remote control RF devices to set off explosives.

POTENTIALLY EXPLOSIVE ATMOSPHERES

Turn your modem OFF when in any area with a potentially explosive atmosphere. It is rare, but your modem or its accessories could generate sparks. Sparks in such areas could cause an explosion or fire resulting in bidily injury or even death.

Areas with a potentially explosive atmosphere are often, but not always, clearly marked. They include fueling areas such as petrol stations ; below decks on boats ; fuel or chemical transfer or storage facilities ; and areas where the air contains chemicals or particles, such as grain, dust, or metal powders.

Do not transport or store flammable gas, liquid, or explosives, in the compartment of your vehicle which contains your modem or accessories.

Before using your modem in a vehicle powered by liquefied petroleum gas (such as propane or butane) ensure that the vehicle complies with the relevant fire and safety regulations of the country in which the vehicle is to be used.

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11.5. SAFETY STANDARDS

THIS CELLULAR MODEM COMPLIES WITH ALL APPLICABLE RF SAFETY STANDARDS.

This cellular modem meets the standards and recommendations for the protection of public exposure to RF electromagnetic energy established by governmental bodies and other qualified organizations, such as the following :

• Directives of the European Community, Directorate General V in

Matters of Radio Frequency Electromagnetic Energy

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