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AT Command Set Reference Manual

Manual Reference AT Command Set
(GSM 07.07, GSM 07.05) for SIEMENS Mobile Phone

S25
and Derivatives

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page 1 of 31

AT Command Set Reference Manual

All rights reserved. No part of this work covered by the copyrights hereof may be reproduced or copied in any form or by any means (graphic, electronic, or mechanical, including photocopying, taping, or information storage and retrieval systems) without written permission of the publisher.

Table of Contents
Revisions Overview ............................................. Fehler! Textmarke nicht definiert. Table of Contents .................................................................................................... 2 1. Software Interface............................................................................................... 3
1.1. OVERVIEW OF THE SUPPORTED AT COMMAND SET ............................................................................. 3 1.2. AT COMMAND SET ......................................................................................................................... 4 1.2.1. Hayes-Standard Commands ........................................................................................ 4 1.2.2. Acknowledgments for Normal Data Communication ........................................... 5 1.3. AT COMMANDS AND RESPONSES ACCORDING TO GSM 07.07 AND GSM 07.05 .............................. 6 1.3.1. AT Cellular Commands According to GSM 07.07 .................................................. 6 1.3.2. AT Commands According to GSM 07.05 for SMS................................................. 23 1.3.3. User-Defined Commands for Controlling the GSM Mobile PhoneFehler! Textmarke nicht definiert. 1.3.4. Summary of All Unexpected Messages ...............Fehler! Textmarke nicht definiert. APPENDIX A......................................................................................................................................... 30 Features of the Telephone-Book Memory .......................................................................... 30 Writing to the FDN Phonebook / FDN Replacement........................................................ 30

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AT Command Set Reference Manual

1. Software Interface
1.1. Overview of the Supported AT Command Set

Page

Commands 07.07 AT+CGMI AT+CGMM AT+CGMR AT+CGSN AT+GSN AT+CHUP AT+CEER AT+CREG AT+COPS AT+CLCK AT+CPWD AT+CLIP AT+CCFC AT+CHLD AT+CPAS AT+CPIN AT+CBC AT+CSQ AT+CPBS AT+CPBR AT+CPBW AT+CMEE AT+VTS AT+VTD AT+WS46 AT+CSCS AT+CAOC AT+CSSN AT+CRSM AT+CIMI AT+CACM AT+CAMM AT+CLCC AT+CCLK AT+COPN Commands 07.05 AT+CSMS AT+CPMS AT+CMGF AT+CSCA AT+CNMI AT+CNMA AT+CMGL AT+CMGR AT+CMGS AT+CMSS AT+CMGW AT+CMGD AT+CSCB AT+CMGC

Function

E10 S10 S10 Rel act aun ch

C25

S25

6 6 6 7 7 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 16 17 17 17 18 18 19 19 20 20 21 22 22 Page

Issue manufacturer ID code Issue model ID code Output the GSM telephone version Output the serial number (IMEI) Output the serial number (IMEI) Terminate call Query the reason for disconnection of last call Power status Commands concerning selection of network operator Switch blocking on and off Change password to a block Display telephone number of calling party Call forwarding Call hold and multiparty Query the telephone status Enter PIN and query block Battery charge Output signal quality Select a telephone book Read a telephone-book entry Write a telephone-book entry Expanded error messages according to GSM 07.07 Send a DTMF tone Set duration of a DTMF tone Select wireless network Select TE character set Advice of charge Supplementary service notifications Restricted SIM access Output of IMSI Accumulated call meter Accumulated call meter maximum List Current Calls Clock Read operator names Function E10 S10 S10 Rel act aun ch C25 S25

23 24 24 25 25 27 27 28 28 28 29 29 29 29

Selection of message service Selection of SMS memory SMS format Address of the SMS service center Display new incoming SMS Acknowledgment of a short message directly output List SMS Read in an SMS Send an SMS Send an SMS from the SMS memory Write an SMS to the SMS memory Delete an SMS in the SMS memory Select cell broadcast messages Send an SMS command

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AT Command Set Reference Manual

1.2. AT Command Set
Remote-control operation of the GSM mobile telephone runs via a serial interface, where AT+C commands according to GSM 07.07 and GSM 07.05 as well as several manufacturer-specific AT commands are available. These commands are described in more detail on the following pages. The commands are entered by way of the operating functions of the respective base unit. This converts the operating functions to AT commands so that the mobile phone can execute the required action. The following should be noted: The modem guideline V.25ter applies to the sequence of the interface commands. According to this guideline, commands should begin with the character string "AT" and end with "" (= 0x0D). The input of a command is acknowledged by the display of "OK" or "ERROR". A command currently in process is interrupted by each additional character entered. This means that you should not enter the next command until you have received the acknowledgment; otherwise the current command is interrupted. The commands supported are listed in the following tables:

1.2.1. Hayes-Standard Commands The Hayes-standard commands correspond to the commands of AT Hayescompatible modems.
Command Function

A/ AT... ATA ATD;

ATD>;

ATD> ; ATDL ATE0 ATE1 ATH[0] ATQ0 ATQ1 ATV0
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Repeat last command Prefix for all other commands Accept call Dial the dialing string with the voice utility Valid dial modifiers: "T" (tone dialing), "P" (pulse dialing) is ignored. The character ";" is important, for this tells the phone that the call should be set up with the voice utility. Otherwise an attempt is made to set up a data call, which the phone immediately acknowledges with "ERROR". Dial the telephone number from the current telephone book location number The telephone book is selected with the command at+cpbs Dial the telephone number from the telephone book location number Dial last telephone number Deactivate command echo Activate command echo Separate connection Display acknowledgments Suppress acknowledgments Output acknowledgments as numbers
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AT Command Set Reference Manual
Command Function

ATV1 AT&F[0] AT&V ATZ AT+GCAP

Output acknowledgments as text Reset to stored profile Display active and stored profiles Set to default configuration Output the capabilities list

1.2.2. Acknowledgments for Normal Data Communication Response OK RING NO CARRIER ERROR NO DIALTONE BUSY Numeric 0 2 3 4 6 7 Meaning Command executed, no errors Ring detected Link not established or disconnected Invalid command or command line too long No dial tone, dialing impossible, wrong mode Remote station busy

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AT Command Set Reference Manual

1.3. AT Commands and Responses According to GSM 07.07 and GSM 07.05 According to GSM, it is possible to execute an AT command in various forms.
Test command AT+CXXX=? The telephone responds by sending the list of parameters and value ranges; these can be set using the affiliated Write command or by means of internal processes. This command tells you the current value setting of the parameter(s).

Read command Write command Execute command

AT+CXXX?

AT+CXXX=<...> This command is used to set parameters that can be set. AT+CXXX The Execute command reads non-settable parameters which are influenced by internal processes in the telephone.

1.3.1. AT Cellular Commands According to GSM 07.07 AT+CGMI
Test command

Issue manufacturer ID code
Response

AT+CGMI=?
Execute command

OK
Response

AT+CGMI

Parameter

Name of manufacturer (SIEMENS)

Important: There is a leading output prefix +CGMI in models before the S25.

AT+CGMM
Test command Execute command

Issue model ID code
Response Response

AT+CGMM=? OK AT+CGMM
Parameter

Name of telephone (MOBILE)

Important: There is a leading output prefix +CGMM in models before the S25. AT+CGMR
Test command

Output the GSM telephone version
Response

AT+CGMR=?
Execute command

OK
Response

AT+CGMR

Parameter

Version of the telephone software

Important: There is a leading output prefix +CGMR in models before the S25.

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AT Command Set Reference Manual

AT+CGSN
Test command

Output the serial number (IMEI)
Response

AT+CGSN=?
Execute command

OK
Response

AT+CGSN

Parameter

IMEI of the telephone

Important: There is a leading output prefix +CGMI in models before the S25. AT+GSN
Test command

Output the serial number (IMEI)
Response

AT+GSN=?
Execute command

OK
Response

AT+GSN

+GSN:
Parameter

IMEI of the telephone

Important: The output prefix +GSN may be missing in future versions. AT+CHUP
Test command

Terminate call
Response

AT+CHUP=?
Execute command

OK
Response

AT+CHUP

OK/ERROR
Description:

All active calls and all calls on hold are terminated. AT+CEER
Test command

Query the reason for disconnection of last call
Response

AT+CEER=?
Execute command

OK
Response

AT+CEER

+CEER:
Parameter

Disconnection reason reported as number

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AT Command Set Reference Manual

AT+CREG
Test command

Power status
Response

AT+CREG=?

+CREG: (list of supported s) OK/ERROR/+CME ERROR
Parameter

Read command Response

0 1

Suppresses the unexpected network-status messages Displays the unexpected network-status messagesOK/ERROR/+CME ERROR

AT+CREG?

+CREG: ,[,,] OK/ERROR/+CME ERROR
Parameter

Write command Parameter

See Test command 0 Not checked in, not seeking 1 Checked in 2 Not checked in, but seeking a network 3 Check-in denied by network 4 Unknown 5 Registered, roaming Hexadecimal 2-byte string type of location area code Hexadecimal 2-byte string type of cell ID See Test command

AT+CREG=

Response

OK/ERROR/+CME ERROR
Unexpected message

+CREG: AT+COPS
Test command

Commands concerning selection of network operator
Response

AT+COPS=?

+COPS: [list of supported (,long alphanumeric ,,numeric )s][,,( list of supported s),( list of supported s)] OK/ERROR/+CME ERROR
Parameter

0 1 2 3

Read command Response

Unknown Useful network operator Used network operator Prohibited network operator Operator in the format according to

AT+COPS?

+COPS: [,,Parameter

Write command Parameter

0 1 3 4 0 2

Automatic mode Manual selection of network operator Setting of format Automatic, manual selected Long alphanumeric Numeric Network operator See Read command See Read command If = 1, can only = 2 In numeric form only

AT+COPS= de>[,[,< oper]]
Response

OK/ERROR/+CME ERROR

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AT Command Set Reference Manual AT+CLCK Switch blocking on and off Revision to GSM 07.07 according to CR TDOC ETSI/SMG4 187/96
Response

Test command

AT+CLCK=?

+CLCK: (list of supported s) OK/ERROR/+CME ERROR
Parameter

"CS" "PS" "SC" "FD" "AO" "OI" "OX"

Keyboard lock Phone locked to SIM (device code) SIM card (PIN) FDN lock BAOC (bar all outgoing calls) BOIC (bar outgoing international calls) BOIC-exHC (bar outgoing international calls except to home country) "AI" BAIC (bar all incoming calls) "IR" BIC-Roam (bar incoming calls when roaming outside the home country) "AB" All Barring services "AG" All outgoing barring services "AC" All incoming barring services 0 1 2 1 2 4 7 See Test command Cancels block Activates block Queries block status Password Voice Data Fax All classes (default value)

Write command

Parameter

AT+CLCK= ac>, [, [,]]

Response

If =2 and command is successful +CLCK: [,[ +CLCK: , class2....]]
Parameter

0 1

On Off

OK/ERROR/+CME ERROR AT+CPWD
Test command

Change password to a block
Response

AT+CPWD=? +CPWD: list of supported (, )s
OK/ERROR/+CME ERROR
Parameter

"P2" PIN2 otherwise See Test command for AT+CLCK command, without "FD" Password length
Write command Parameter

See Test command for AT+CLCK command AT+CPWD= , ac>, Old and new password ,
Response

OK/ERROR/+CME ERROR

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AT Command Set Reference Manual

AT+CLIP
Test command

Display telephone number of calling party
Response

AT+CLIP=?

+CLIP: (list of supported s) OK/ERROR/+CME ERROR
Parameter

Read command Response

0 1

Suppresses the unexpected messages Displays the unexpected messages

AT+CLIP?

+CLIP: , OK/ERROR/+CME ERROR
Parameter

Write command Parameter

0 1 2

See Test command CLIP not booked CLIP booked Unknown See Read command

AT+CLIP=
Response Unexpected message

OK/ERROR/+CME ERROR
+CLIP: , Telephone number of caller

AT+CCFC
Test command

Call forwarding
Response

AT+CCFC=?

+CCFC: (list of supported s) OK/ERROR/+CME ERROR
Parameter

0 1 2 3 4 5 0 1 2 3 4

Always If busy If no answer If not available All reasons (0-3) All conditional reasons (1-3)

Write command

Parameter

AT+CCFC=, [, [, [, [,,,]]]]

Response

See Test command Deactivate Activate Query Install Delete Telephone number Type of telephone number 1 Voice 2 Data 4 Fax 7 All classes 1-30 Time, rounded to a multiple of five seconds

If =2 and command is successful +CCFC: , [, , [,,, ]][+CCFC: ....] OK/ERROR/+CME ERROR
Parameter

0 1

Not active Active

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AT Command Set Reference Manual

AT+CHLD
Test command

Call hold and multiparty
Response

AT+CHLD=?
Write command

[+CHLD: (list of supported s)] OK/ERROR/+CME ERROR
Parameter

AT+CHLD=[< n>]

0 1 1X 2

2X 3 For terminating Note:
Response

Terminates all held calls or sets UDUB (User Determined User Busy) for a waiting call Terminates all active calls (if there are any) and accepts the other call (waiting call or held call) Terminates call number X (X= 1-7) Puts all active calls on hold (if there are any) and accepts the other call (waiting call or held call) as active Puts all active calls except call X (X= 1-7) on hold Connects the call put on hold to the active call Terminating all calls except waiting calls is done with "AT+CHUP" Command scope depends on the SIM clearing and/or on the network support

OK/ERROR/+CME ERROR AT+CPAS
Test command

Query the telephone status
Response

AT+CPAS=?

+CPAS: (list of supported s) OK/ERROR/+CME ERROR
Parameter

Execute command Response

0 3 4

Ready Incoming call (phone is ringing) Call is active

AT+CPAS

+CPAS: OK/ERROR/+CME ERROR
Parameter

See Test command OK/ERROR/+CME ERROR

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AT Command Set Reference Manual

AT+CPIN
Test command

Enter PIN and query block
Response

AT+CPIN=?
Read command

OK
Response

AT+CPIN?

+CPIN:

 OK/ERROR/+CME ERROR
Parameter

 READY SIM PIN SIM PUK PH-SIM PIN PH-SIM PUK SIM PIN2

No further input necessary SIM PIN input necessary SIM PUK input necessary Device-code (theft protection) input necessary Device-code PUK (theft protection) input necessary PIN2, e.g. for editing the FDN book; only possible if previous command was acknowledged with +CME ERROR:17 SIM PUK2 Only possible if previous command was acknowledged with error +CME ERROR:18 The required error message can (must) be provoked by an attempted Write command.
Write command Parameter

AT+CPIN= n>[,  pin>
Response

Password for appropriate block; if the block is a PUK, then a  is necessary. New password for the block

OK/ERROR/+CME ERROR AT+CBC
Test command

Battery charge
Response

AT+CBC=?

+CBC: (list of supported s),(list of supported s) OK/ERROR/+CME ERROR
Parameter




Execute command Response

0 1 2 3 0

ME is supplied from battery ME has battery but is not supplied from there ME has no battery connected Error Battery is flat, but no more actions possible 1-100 charge in per cent

AT+CBC

+CBC: ,

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AT Command Set Reference Manual

AT+CSQ
Test command

Output signal quality
Response

AT+CSQ=?

+CSQ: (list of supported s), list of supported ) OK/ERROR/+CME ERROR
Parameter

 0 1 2-30 31 99  0-7 99
Execute command Response

Reception level: -113 dBm or less -111 dBm -109 to -53 dBm -51 dBm or more Unknown Bit error rate: Like RXQUAL values from Table GSM 05.08 in Section 8.2.4 Unknown

AT+CSQ

+CSQ: ,  OK/ERROR/+CME ERROR
Parameter

 

See Test command See Test command

AT+CPBS
Test command

Select a telephone book
Response

AT+CPBS=?

+CPBS: (list of supported s) OK/ERROR/+CME ERROR
Parameter



"FD" "SM" "ME" "DC" "ON" "LD" "MC" "RC"

SIM fix-dialing phonebook SIM phonebook ME phonebook ME Dialled Calls List SIM (or ME) own numbers (MSISDNs) list SIM last-dialling phonebook ME missed (unanswered received) calls list ME received calls list

*For description of telephone-book features, see Appendix A Note: "DC" and "LD" are never both available.
Read command Response

AT+CPBS?
Write command

+CPBS:  OK/ERROR/+CME ERROR
Parameter


Parameter

See Test command See Test command

AT+CPBS= to>
Response

OK/ERROR/+CME ERROR

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AT Command Set Reference Manual

AT+CPBR
Test command

Read a telephone-book entry
Response

AT+CPBR=?

+CPBR: (list of supported s), , 

OK/ERROR/+CME ERROR
Parameter

  
Write command Response

Location number Max. length of telephone number Max. length of text corresponding to the number

AT+CPBR=[, ]

+CPBR: , , , [ +CPBR: .....
+CPBR: , , , ] OK/ERROR/+CME ERROR
Parameter

    

Location number where the read of the entry starts Location number where the read of the entry ends Telephone number Type of number Text corresponding to the telephone number

NOTE: In models before the S25, empty phonebook records are reported as follows: +CPBR: ,empty In S25ff, those empty entries don't produce any output.

AT+CPBW
Test command

Write a telephone-book entry
Response

AT+CPBW=?

+CPBW: (list of supported s), ,  OK/ERROR/+CME ERROR
Parameter

  
Write command Parameter

Location number Max. length of telephone number Max. length of text corresponding to the number Location number at which the entry is written Telephone number Type of number Text corresponding to the telephone number

AT+CPBW=[< index>], [, [, []]]

   
Response

OK/ERROR/+CME ERROR
Note: The following characters in  must be entered via the escape sequence: GSM char. Seq. Seq.(hex) Note \ \5C 5C 35 43 (backslash) " \22 5C 32 32 (string delimiter) BSP \08 5C 30 38 (backspace) NULL \00 5C 30 30 (GSM null) `0' (GSM null) may cause problems on application level when using the function strlen() and should thus be represented by an escape sequence when necessary

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AT Command Set Reference Manual

AT+CMEE
Test command

Expanded error messages according to GSM 07.07
Response

AT+CMEE=?

+CMEE: (list of supported s)
Parameter


Read command Response

0 1 2

Suppresses the expanded error format Expanded error messages as number Expanded error messages as text

AT+CMEE?
Write command

+CMEE: 
Parameter


Parameter

See Read command See Read command

AT+CMEE= >
Response Description:

OK/ERROR/+CME ERROR The following CME errors are possible: 0 PHONE FAILURE 1 NO CONNECTION TO PHONE 2 PH-TA LINK RESERVED 3 OPERATION NOT ALLOWED 4 OPERATION NOT SUPPORT 5 PH-SIM PIN REQUIRED 10 SIM NOT INSERTED 11 SIM PIN REQUIRED 12 SIM PUK REQUIRED 13 SIM FAILURE 14 SIM BUSY 15 SIM WRONG 16 INCORRECT PASSWORD 17 SIM PIN2 REQUIRED 18 SIM PUK2 REQUIRED 20 MEMORY FULL 21 INVALID INDEX 22 NOT FOUND 23 MEMORY FAILURE 24 TEXT TOO LONG 25 INV CHAR IN TEXT 26 DIAL STRING TOO LONG 27 INV CHAR IN DIAL 30 NO NETWORK SERVICE 31 NETWORK TIMEOUT 100 512 513 514 515 550 551
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UNKNOWN CALL BARRED BY BLACKLIST PHONE LINK RESERVED INVALID DIAL STRING PHONE BUSY PH-SIM PUK REQUIRED NTF-SIM PIN REQUIRED
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AT Command Set Reference Manual 552 553 554 555 556 557 558 559 560 NTF-SIM PUK REQUIRED PH-NET PIN REQUIRED PH-NET PUK REQUIRED PH-SP PIN REQUIRED PH-SP PUK REQUIRED PH-CP PIN REQUIRED PH-CP PUK REQUIRED FEATURE PIN REQUIRED FEATURE PUK REQUIRED

The following CMS errors have been defined for SMS: 300 ME FAILURE 301 SMS SERVICE OF ME RESERVED 302 OPERATION NOT ALLOWED 303 OPERATION NOT SUPPORTED 304 INVALID PDU PARAMETER 305 INVALID TEXT MODE 310 SIM NOT INSERTED 311 SIM PIN NECESSARY 312 PH-SIM PIN NECESSARY 313 SIM FAILURE 314 SIM BUSY 315 SIM WRONG 320 MEMORY FAILURE 321 INVALID MEMORY FAILURE 322 MEMORY FULL 330 SMSC ADDRESS UNKNOWN 331 NO NETWORK SERVICE 332 NETWORK TIMEOUT 340 NO +CNMA ACK EXPECTED 500 UNKNOWN ERROR AT+VTS
Test command

Send a DTMF tone
Response

AT+VTS=?

+VTS: , OK/ERROR/+CME ERROR
Parameter

 
Write command Parameter

0-9,#,*,A-D, exactly one character Duration of tone in (duration/10) seconds

AT+VTS=  [,] or AT+VTS= 

One character from the list, see Test command See Test command  max. 29 characters in quotation marks ("..."), then a duration cannot be specified 
Response

OK/ERROR/+CME ERROR Important: There is a leading output prefix +VTS in models before the S25.

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AT Command Set Reference Manual

AT+VTD
Test command

Set duration of a DTMF tone
Response

AT+VTD=?

+VTD: (list of supported s) OK/ERROR/+CME ERROR
Parameter


Read command Response

1-255 Duration of tone in (duration/10) seconds

AT+VTD?
Write command

+VTD: 
OK/ERROR/+CME ERROR
Parameter

AT+VTD= 


Response

See Test command

OK/ERROR Important: There is a leading output prefix +VTD in models before the S25.

AT+WS46
Test command

Select wireless network
Response

AT+WS46=?
Read command

+WS46: (list of supported s) OK
Response

AT+WS46?

+WS46:  OK/ERROR/+CME ERROR
Parameter


Write command Response

Integer; WDS side stack 12 GSM digital cellular

AT+WS46=[< OK/ERROR/+CME ERROR n>] Important: There is a leading output prefix +WS46 in models before the S25. AT+CSCS
Test command

Select TE character set
Response

AT+CSCS=?
Read command

+CSCS: (list of supported s) OK
Response

AT+CSCS?

+CSCS:  OK/ERROR/+CME ERROR
Parameter


Write command Response

String; determines which TE character set is used

AT+CSCS= []

OK/ERROR/+CME ERROR

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AT Command Set Reference Manual

AT+CAOC
Test command

Advice of charge
Response

AT+CAOC=?
Execute command

OK
Response

AT+CAOC

+CAOC:  OK/ERROR/+CME ERROR
Parameter



Updated hexadecimal call meter, measured in home units; coding analogous to ACMmax on the SIM

AT+CSSN

Supplementary service notifications Revision according to GSM 07.07 Version 5.0.0
Response

Test command

AT+CSSN=?

+CSSN: (list of supported s), (list of supported s)
Parameter

0 Suppresses the +CSSI messages 1 Activates the +CSSI messages  0 Suppresses the +CSSU messages 1 Activates the +CSSU messages For supported +CSSI/+CSSU messages, see also Fehler! Verweisquelle konnte nicht gefunden werden.
Read command Response



AT+CSSN?

+CSSN: ,
Parameter

 
Write command Parameter

See Test command See Test command See Read command See Read command

AT+CSSN= >[,] 
Unexpected message

+CSSI:  +CSSU: 
Parameter

 

Intermediate result code 3 Waiting call is pending Unsolicited result code 5 Held call was terminated

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AT Command Set Reference Manual

AT+CRSM
Test command

Restricted SIM access
Response

AT+CRSM=?
Write command

OK
Response

+CRSM=,[,] mmand>[, [,,,< P3>[,]]]
Parameter

:178 READ RECORD 192 GET RESPONSE 214 UPDATE BINARY 220 UPDATE RECORD 242 STATUS : Integer, identifier of the data file on the SIM, mandatory for every command except STATUS (see GSM 11.11) , , : Integer, transferal parameter from ME to SIM, mandatory for every command except GET RESPONSE,STATUS (see GSM 11.11) : Hexadecimal string; information that is to be written to the SIM , : Integer; information from the SIM as to how/whether the command was executed : Hexadecimal string; given when a command was successfully processed
Note: The write access to CK boxes receives only limited support and differs from device to device.

AT+CIMI
Test command

Output of IMSI
Response

AT+CIMI=?
Execute command

OK
Response

AT+CIMI


Parameter



International Mobile Subscriber Identity (IMSI)

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AT Command Set Reference Manual

AT+CACM
Test command

Accumulated call meter
Response

AT+CACM=?
Read command

OK
Response

AT+CACM?

+CACM:  OK/ERROR/+CME ERROR
Parameter


Write command Response

Accumulated call meter in hexadecimal format, measured in home units; coding analogous to ACMmax on the SIM

AT+CACM=[< OK/ERROR/+CME ERROR passwd>]
Parameter



String type; usually PIN2

AT+CAMM
Test command

Accumulated call meter maximum
Response

AT+CAMM=?
Read command

OK
Response

AT+CAMM?

+CAMM:  OK/ERROR/+CME ERROR
Parameter

 Accumulated call meter maximum in hexadecimal format, measured in home units; coding analogous to ACMmax on the SIM
Write command Response

OK/ERROR/+CME ERROR AT+CAMM= [[,< passwd>]]
Parameter

 (see Read command)  String type; usually PIN2

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AT Command Set Reference Manual

AT+CLCC
Test command

List Current Calls
Response

AT+CLCC=?
Execute command

OK
Response

AT+CLCC

[+CLCC: ,,,,, ,] [+CLCC: ,,,,, , [...]]] OK/ERROR/+CME ERROR
Parameter

: integer type; call identification number as described in GSM 02.30 [19] subclause 4.5.5.1; this number can be used in +CHLD command operations : 0 mobile originated (MO) call 1 mobile terminated (MT) call  (state of the call): 0 active 1 held 2 dialing (MO call) 3 alerting (MO call) 4 incoming (MT call) 5 waiting (MT call)  (bearer/teleservice): 0 voice 1 data 2 fax 3 voice followed by data, voice mode 4 alternating voice/data, voice mode 5 alternating voice/fax, voice mode 6 voice followed by data, data mode 7 alternating voice/data, data mode 8 alternating voice/fax, fax mode 9 unknown : 0 call is not one of multiparty (conference) call parties 1 call is one of multiparty (conference) call parties : string type phone number in format specified by  : type of address octet in integer format

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AT Command Set Reference Manual

AT+CCLK
Test command

Clock
Response

AT+CCLK=?
Write command

OK
Response

AT+CCLK=

OK/ERROR/+CME ERROR
Parameter:



see Test commnd

AT+COPN
Test command

Read operator names
Response

AT+COPN=?
Execute command

OK
Response

AT+COPN

+COPN:numeric ,long alphanumeric  +COPN:..... OK/ERROR/+CME ERROR
Parameter



Network operator in numeric and alphanumeric notation

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AT Command Set Reference Manual

1.3.2. AT Commands According to GSM 07.05 for SMS The GSM 07.05 commands are used for operating the SMS functions of the GSM mobile phone. The GSM module MOBILE supports the SMS PDU mode. AT+CSMS Selection of message service Revision according to GSM 07.05 Version 5.0.0
Response

Test command

AT+CSMS=?

+CSMS: (list of supported s)
Parameter

 command

0 1

GSM 3.40 and 3.41 GSM 3.40 and 3.41 and compatibility of the AT syntax for phase 2+

(NOTE:

Deactivating the phase 2+ compatibility is only possible if the direct output of short messages +CNMI=2,2 or +CNMI=2,3 is not activated. If necessary, the latter should be deactivated first).

Read command

Response

AT+CSMS?

+CSMS: ,,,
Parameter

  1  1  0
Write command Parameter

0 GSM 3.40 and 3.41 Mobile terminated messages Type supported Mobile originated messages Type supported Broadcast type messages Type not supported 0 GSM 3.40 and 3.41

AT+CSMS= 


Response

+CSMS: ,, OK/ERROR/+CMS ERROR

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AT Command Set Reference Manual

AT+CPMS

Selection of SMS memory Revision according to GSM 07.05 Version 4.7.0
Response

Test command

AT+CPMS=?

+CPMS: (list of supported s),( list of supported s) ,(list of supported s)
Parameter



Memory from which messages are read and deleted "SM" SIM-messages memory  Memory to which messages are written and sent "SM" SIM-messages memory  Memory in which received messages are stored, if forwarding to the PC is not set ("+CNMI") "SM" SIM-messages memory
Read command Response

AT+CPMS?

+CPMS: ,,,,,,,,
Parameter

  
Write command Parameter

Memory from which messages are read and deleted Number of messages currently in  Number of storable messages in 

AT+CPMS=  See Test command [, See Test command m2>[,  See Test command ]] Response +CPMS: ,,,,, OK/ERROR/+CMS ERROR AT+CMGF
Test command

SMS format Response AT+CMGF=? +CMGF: (list of supported s) Parameter : 0 PDU mode Read command Response AT+CMGF? +CMGF:  Parameter : 0 PDU mode Write command Parameter AT+CMGF=[< : mode>] 0 PDU mode Response OK/ERROR

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AT Command Set Reference Manual

AT+CSCA
Test command

Address of the SMS service center Response AT+CSCA=? OK Read command Response AT+CSCA? +CSCA: , Parameter  Service-center address in string format  Service-center address format Write command Parameter AT+CSCA= Service-center address in string format ca>[,]  Service-center address format Response OK/ERROR AT+CNMI Display new incoming SMS Revision according to GSM 07.05 Version 4.7.0 Response +CNMI: (list of supported s),(list of supported s),(list of supported s),(list of supported s),(list of supported s) Parameter  0 Buffers unexpected messages (but is equivalent to rejecting; see ) 2 Buffers unexpected messages if serial interface is occupied, otherwise they are output  Suppresses unexpected messages for incoming short messages 1 Unexpected messages of a received short message (SMS-DELIVER) that is stored on a chip card are output in the form +CMTI: , 2 Unexpected messages of a received short message (SMS-DELIVER) (except class 2 and the message "Waiting Indication Group: store message") are output in the form +CMT: [], ( is not supported) Class 2 and the message "Waiting Indication Group: store message" are output as =1 3 Unexpected messages of a received short message (SMS-DELIVER) class 3 are output as =2. Messages with other data coding schemes are output as =1. (NOTE: =2 and =3 are not possible unless the Phase 2+ compatibility has been activated by means of +CSMS=1)
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Test command

AT+CNMI=?

0

AT Command Set Reference Manual



0

Suppresses unexpected messages for incoming cell broadcast messages Outputs unexpected messages for cell broadcast messages in the form +CBM:  Suppresses unexpected messages for incoming SMS status reports Outputs unexpected messages for SMS status reports in the form +CDS:  Buffered unexpected messages are rejected when switching from  0 to  2.

2



0

2



1

 See +CPMS  Index of the record on the chip card  alphanumeric representation of the sender address  Length of   See +CMGL Read command Response AT+CNMI? +CNMI: ,,,, Parameter  See Test command  See Test command  See Test command  See Test command  See Test command Write command Parameter AT+CNMI=[<  See Test command mode>[,[,  See Test command [,[,<  See Test command bfr>]]]]]  See Test command  See Test command Response OK/ERROR/+CMS ERROR Unexpected message +CMTI: , Indication that new message has arrived +CMT: , Direct output of the short message +CDS:  Direct output of the status report +CBM:  Direct output of the cell broadcast message

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AT Command Set Reference Manual Acknowledgment of a short message directly output (without storing on the chip card) Revision according to GSM 07.05 Version 5.0.0 (NOTE: This command is not possible unless the Phase 2+ compatibility has been activated by means of +CSMS=1) Response +CNMA: (list of supported s) Parameter  0 Mode of functioning analogous to GSM 07.05 text mode

AT+CNMA

Test command

AT+CNMA=?

Write command

Parameter AT+CNMA[=<  See Test command n>] Response OK/ERROR/+CMS ERROR:  AT+CMGL List SMS Revision according to GSM 07.05 Version 4.7.0

Test command

Response +CMGL: (list of supported s) Parameter  0 "REC UNREAD": received unread messages (default) 1 "REC READ": received read messages 2 "STO UNSENT": stored unsent messages 3 "STO SENT": stored sent messages 4 "ALL": all messages Write command Parameter AT+CMGL[=<  See Test command stat>] Response If PDU mode (+CMGF=0) and command are successful: +CMGL: ,,[], [+CMGL: ,,[alpha], [...]] AT+CMGL=?  The PDU begins with the service-center address (according to GSM04.11), followed by the TPDU according to GSM03.40 in hexadecimal format otherwise: +CMS ERROR: 

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AT Command Set Reference Manual

AT+CMGR

Read in an SMS Revision according to GSM 07.05 Version 4.7.0
Response

Test command

AT+CMGR=?
Write command

OK
Parameter

AT+CMGR= ndex>
Response

Index of message in selected memory 

If PDU mode (+CMGF=0) and command are successful:
+CMGR: ,[],  Siehe "AT+CMGL" otherwise: +CMS ERROR: 

AT+CMGS
Test command

Send an SMS
Response

AT+CMGS=?
Write command

OK
Parameter

If PDU mode (+CMGF=0) +CMGS=PDU is given 

  
Response

Length of PDU See "AT+CMGL" Message reference

If sending is successful:
+CMGS:  If sending is not successful: +CMS ERROR: 

AT+CMSS
Test command

Send an SMS from the SMS memory
Response

AT+CMSS=?
Write command

OK
Parameter

+CMSS=[,[,]]

  

Index of message in selected memory  Destination address in string format Format of destination address Message reference


Response

If sending is successful:
+CMSS:  If sending is not successful: +CMS ERROR: 

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AT Command Set Reference Manual

AT+CMGW
Test command

Write an SMS to the SMS memory
Response

AT+CMGW=?
Write command

OK
Parameter

If PDU mode (+CMGF=0) AT+CMGW=[,]PDU is given 

   
Response

Length of PDU See command +CMGL See "AT+CMGL" Index of message in selected memory 

+CMGW:  +CMS ERROR: 

AT+CMGD
Test command

Delete an SMS in the SMS memory
Response

At+CMGD=?
Write command

OK
Parameter

AT+CMGD= ndex>
Response

Index of message in the selected memory 

OK/ERROR/+CMS ERROR

AT+CSCB
Test command

Select cell broadcast messages
Response

AT+CSCB=?

+CSCB: (list of supported s)
Parameter


Read command Response

0 1

Accepts messages that are defined in  and  Does not accept messages that are defined in  and 

AT+CSCB?

+CSCB: ,,
Parameter

  
Write command

See Test command String type; combinations of CBM message Ids String type; combinations of CBM data coding schemes

AT+CSCB=[< mode>[,[,]]] AT+CMGC
Test command

Send an SMS command
Response

AT+CMGC=?
Write command

OK
Parameter

If PDU mode (+CMGF=0) +CMGC=PDU is given 

  
Response

Length of PDU See "AT+CMGL" Message reference

If sending is successful:
+CMGC:  If sending is not successful: +CMS ERROR: 

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AT Command Set Reference Manual

Appendix A
Features of the Telephone-Book Memory Name FD Description Category / Access GSM 07.07 / +CPBS Write Allowed (PIN2 required) Allowed (device code required if FDN replacement is active) Not allowed Delete completely

SM

Fix-dialing number (SIM fix-dialing telephone book) Abbreviate dialing number GSM 07.07 / (SIM telephone book) +CPBS

DC (MD)

ON (OW)

Mobile last dialing number (last number redial memory; only if "LD" is not available) Own Numbers (SIM own telephone numbers) SIM last dialing number (last number redial memory on SIM) Mobile-equipment telephone book (ME dialing numbers)

GSM 07.07 / +CPBS

LD

GSM 07.07 (Siemens) / +CPBS (historical) GSM 07.07 / +CPBS

Allowed

Not allowed

ME

GSM 07.07 / +CPBS

MC (MS) RC (CD)

Missed dialing numbers (unanswered calls) Callback dialing numbers (answered calls)

GSM 07.07 (Siemens) / +CPBS GSM 07.07 (Siemens) / +CPBS

Allowed (device code required if FDN replacement is active) Not allowed

Not allowed

Writing to the FDN Phonebook / FDN Replacement Writing to the fix-dialing number phonebook is protected by PIN2. A Write sequence (to e.g. record 5) runs as follows:
AT+CMEE=2 //Activate expanded error message

OK
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AT Command Set Reference Manual

AT+CPBS=?

// Listing of available telephone books

+CPBS: "FD","SM","LD" OK
AT+CPBS="FD" // Selection of the FDN telephone book

OK AT+CPBW=5,1234,,"test" AT+CPIN?
+CPIN: SIM PIN2

// A Write to record 5 is attempted... // Query of the PIN status...
// ... PIN2 is to be entered

+CME ERROR: SIM PIN2 REQUIRED // ... PIN2 is required for this purpose

AT+CPIN=12345678 OK AT+CPBW=5,1234,,"test"
OK

// Input of PIN2

// A Write to record 5 is attempted...
// PIN2 remains active as long as you use the commands

// // // // // // AT+CPBW=6,5678,,"new test" OK
...

RCCL3_CMD_CPIN, RCCL3_CMD_CPBS, RCCL3_CMD_CPBR, RCCL3_CMD_CPBW, RCCL3_CMD_SPIC. If you use other commands or if none of the above commands are executed within five minutes, the validity of PIN2 is voided.

// A Write to record 6 is attempted...

In addition, if there is no FDN phonebook available on the SIM, it is possible to activate a feature which activates FDN-like behavior for the "SM" and "ME" phonebooks (FDN replacement). (Currently this feature can only be activated via the MMI block/device block/excluding telephone book.) In this case, the Write to the "SM" and "ME" phonebooks is ensured by the device code (PH-SIM PIN and PH-SIM PUK, respectively). The sequence for entering the device code is analogous to the above example.

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