AT Command Set
04.00 02.04.2002 MC35ATC01V04.00 Released General note
Copyright
Contents
AT Commands for FAX
AT Commands originating from GSM
AT commands originating from GSM 07.05 for SMS 126
AT Commands for SIM Application Toolkit GSM
Gprs AT commands in accordance with GSM 149
Siemens defined AT commands for enhanced functions
214
AT+CCWA
ATO
AT+CCUG
AT+CIND
Atscks
Scope of the document
AT command MC35 Module
MC35 Module MC35 Terminal
Supported product versions and related documents
Related documents
Conventions
AT command syntax
Supported character sets
Entering successive AT commands on separate lines
Using parameters
Combining AT commands on the same command line
AT+IPR
A/ Repeat previous command line
+++ Switch from data mode or PPP online mode to command mode
AT\Q3 RTS/CTS
AT\Qn Flowcontrol
ATA Answer a call
ATA
ATD Mobile originated call to dial a number
SIM
+CME Error err
ATDmemn Originate call to phone number n in memory mem
Mgsm
ATDSM15
TA attempts to set up an outgoing call to the stored number
Str
Atdi Mobile originated call to dialable Isdn number n
Atdl
Atdl Redial last telephone number used
Voice call
ATE Enable command echo
ATH Disconnect existing connection
Revision MC35 xx.yy
ATI Display product identification information
ATIvalue Display additional identification information
Xx.yy
ATL Set monitor speaker loudness
ATM Set monitor speaker mode
ATO Switch from command mode to data mode / PPP online mode
Connect text
None
ATQ Set result code presentation mode
ATP Select pulse dialling
ATS0?
23 ATS5 Write command line editing character
21 ATS3 Write command line termination character
22 ATS4 Set response formatting character
ATS7?
24 ATS6 Set pause before blind dialling
ATS6?
N0 n
+Cause location ID reason OK
28 ATS18 Extended error report
ATT Select tone dialling
Location ID
ATX Set Connect result code format and call monitoring
ATV Set result code format mode
When value =0
Value
33 AT&C Set circuit Data Carrier Detect DCD function mode
ATZ Set all current parameters to user defined profile
34 AT&D Set circuit Data Terminal Ready DTR function mode
35 AT&F Set all current parameters to manufacturer defaults
36 AT&S Set circuit Data Set Ready DSR function mode
37 AT&V Display current configuration
Active Profile
38 AT&W Store current configuration to user defined profile
40 AT+GMI Request manufacturer identification
39 AT+GCAP Request complete TA capabilities list
41 AT+GMM Request TA model identification
Revision xx.yy
43 AT+GSN Request TA serial number identificationIMEI
AT+GMR=?
AT+GSN=?
+ILRR value OK
44 AT+ILRR Set TE-TA local rate reporting
+ILLRrate
Rates OK
45 AT+IPR Set fixed local rate
AT+IPR=?
AT+IPR?
Synchronization between DTE and DCE
Autobauding and multiplex mode
Autobauding
Restrictions on autobauding operation
AT+FBADLIN Bad Line Threshold
Currently defined Service Class values see TIA/EIA-592-A
Badlin OK
Badmul OK
AT+FBADMUL Error Threshold Multiplier
AT+FBOR Query data bit order
Bor OK
AT+FCIG Query or set the Local polling id
AT+FCLASS Fax Select, read or test service class
Id OK
AT+FCQ =?
AT+FCQ Copy Quality Checking
AT+FCR Capability to receive
AT+FCQ?
AT+FDCC?
AT+FDCC Query or set capabilities
AT+FDCC =?
Dcc OK
AT+FDFFC?
AT+FDFFC Data Compression Format Conversion
AT+FDFFC=?
Df OK
AT+FDIS?
10 AT+FDIS Query or set session parameters
AT+FDIS =?
Cdec OK
AT+FDR
11 AT+FDR Begin or continue phase C data reception
12 AT+FDT Data Transmission
AT+FDT
14 AT+FK Kill operation, orderly FAX abort
15 AT+FLID Query or set the Local Id setting capabilities
13 AT+FET End a page or document
Lid OK
18 AT+FOPT Set bit order independently
16 AT+FMDL identify Product Model
17 AT+FMFR Request Manufacturer Identification
Gipsy Soft Protocolstack
20 AT+FREV Identify Product Revision
19 AT+FPHCTO DTE Phase C Response Timeout
21 AT+FRH Receive Data Using Hdlc Framing
Tout OK
23 AT+FRS Receive Silence
24 AT+FTH Transmit Data Using Hdlc Framing
22 AT+FRM Receive Data
AT+FRM=?
26 AT+FTS Stop Transmission and Wait
25 AT+FTM Transmit Data
AT+FTM=?
Vrfc OK
27 AT+FVRFC Vertical resolution format conversion
Vrfc
AT+CACM?
AT+CACM Accumulated call meter ACM reset or query
AT+CACM=?
AT+CACM=
AT+CALA?
AT+CALA Set alarm time
AT+CALA=?
+CALA time,n,type,text
Ssystart Alarm Mode +CALA text
+CALA text
AT+CCLK
AT command Use
AT+CALA
Atsbc
AT+CAMM Accumulated call meter maximum ACMmax set or query
+CAMM acmmax OK
+CAOC mode OK
AT+CAOC Advice of Charge information
+CAOC ccm OK
Speed
AT+CBST Select bearer service type
+CBST speed,name,ce
Name
+CCFC status, class1, number, type CRLF+CCFC .... OK
AT+CCFC Call forwarding number and conditions control
AT+CCFC=?
+CCFC status, class1, number, type , time CRLF+CCFC .... OK
Examples Call forwarding
At+ccfc=0,3,+493012345678,145
+CCFC 1,2,+493012345678,145
AT+CCLK?
AT+CCLK Real Time Clock
AT+CCLK=?
+CCLK time
+CCUG n, index,info OK
AT+CCUG Closed User Group
Info OK
Index
AT+CCWA Call waiting
AT+CEER
10 AT+CEER Extended error report
AT+CEER=?
+CEER location ID, reason , ssreleaseOK
11 AT+CFUN Set phone functionality
Full functionality
+CFUN fun
AT+CFUN=?
AT+CFUN?
Fun
Rst
AT+CFUN?
AT+CPIN +CPIN SIM PIN OK
12 AT+CGMI Request manufacturer identification
13 AT+CGMM Request model identification
Sn OK
16 AT+CHLD Call hold and multiparty
AT+CGSN=?
AT+CHLD=?
17 AT+CHUP Hang up call
18 AT+CIMI Request international mobile subscriber identity
+CIND ind,ind
19 AT+CIND Indicator control
+CIND descr,list
Ind
AT+CIND=
Stat
Idx
20 AT+CLCC List current calls of ME
AT+CLCC=?
Dir
AT+CLCK=?
21 AT+CLCK Facility lock
+CLCK status,class1CRLF +CLCK status, class2.... OK
Passwdpassword
Examples Phone lock
Examples Enabling / disabling PIN 1 authentication
Status 0 off 1 on
AT+CPIN?
Examples Call barring
AT+CPIN? +CPIN PH-SIM PUK
At+clck=oi,2,0000,15 +CLCK 1,1
+CLIP number, type,,,,CLI validity
22 AT+CLIP Calling line identification presentation
+CLIP n, m OK
+CLIP number, type
+CLIR n,m
AT+CLVL?
24 AT+CLVL Loudspeaker volume level
AT+CLVL=?
+CLVL level
Keyp
25 AT+CMER Mobile equipment event reporting
+CMER mode,keyp,disp,ind,bfr
Disp
AT+CMEE=?
26 AT+CMEE Report mobile equipment error
+CIEV desc,value
AT+CMEE?
AT+CMUT?
27 AT+CMUT Mute control
AT+CMUT=?
+CMUT n
AT+CMUX=mode If error is related to ME functionality
28 AT+CMUX Enter multiplex mode
If error is related to ME functionality
+CMUX list of supported modes OK
ATE
Restricted use of AT commands in Multiplex mode
Command Behaviour on channel Differences on channel 2+3
AT+CR
Command Description Chapter
AT+COPN
29 AT+COPN Read operator names
AT+COPN=?
+COPN.....OK
AT+COPS?
30 AT+COPS Operator selection
AT+COPS=?
+COPS mode, format, oper OK
Oper
Format
+CPAS pas OK
31 AT+CPAS Mobile equipment activity status
AT+CPAS=?
Pas
32 AT+CPBR Read current phonebook entries
Storage
33 AT+CPBS Select phonebook memory storage
+CPBS storage,used,total OK
Used
AT+CPBW=
34 AT+CPBW Write phonebook entry
AT+CPBW=?
Tlength OK
+CPIN code OK
35 AT+CPIN Enter PIN
Code
PH-NS PIN
PH-NET PIN
PH-NET PUK
PH-NS PUK
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What to do if PIN or password authentication fails?
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+CPIN2 code OK
36 AT+CPIN2 Enter PIN2
Code Ready
AT+CBPS=FD
+CPUC currency, ppu OK
Ror +CME Error incorrect password is output
37 AT+CPUC Price per unit and currency table
Ppu
+CPWD list of supported fac, pwdlengths OK
38 AT+CPWD Change password
AT+CPWD=?
Fac
At+cpwd=fac,oldpwd
AT+CPWD=PS,1111,2222
AT+CR=?
39 AT+CR Service reporting control
+CR mode OK
AT+CR?
+CRC mode OK
+CREG n,stat,lac,ci
41 AT+CREG Network registration
Lac
+CREG stat
+CREG stat,lac,ci
Mws
+CRLP iws,mws,T1,N2,verx
Iws
Verx
43 AT+CRSM Restricted SIM access
AT+CSCS?
44 AT+CSCS Set TE character set
+CSCS list of supported chsets
+CSCS chset
AT+CSNS=?
+CSNS mode
45 AT+CSNS Single Numbering Scheme
+CSNS list of supported modes
+CSQ rssi, ber OK
46 AT+CSQ Signal quality
AT+CSQ=?
Rssi
AT+CSSN?
47 AT+CSSN Supplementary service notifications
AT+CSSN=?
+CSSN n,mOK
AT+ CUSD?
48 AT+CUSD Unstructured supplementary service data
AT+CUSD=?
+CUSD n OK
Duration OK
49 AT+VTD=n Tone duration
Duration
See write command
Dtmf
51 AT+WS46 Select wireless network
AT+CMGC=?
AT+CMGC Send an SMS command
+CMS Error err
+CMGC mr,scts
AT+CMGF Select SMS message format
+CMGF mode OK
AT+CMGD Delete SMS message
Dex
AT+CMGL List SMS messages from preferred store
+CMGL index,stat,fo,ctCRLF +CMGL index,stat,fo,ct... OK
+CMGL index,lengthCRLFpdu
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+CMGR stat,fo,ct ,pid,mn,da,toda,length CRLFcdata
AT+CMGR Read SMS message
+CMGR stat,fo,mr,ra,tora,scts,dt,st
+CMGR stat,sn,mid,dcs,page,pagesCRLFdata
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Tora
+CMGS mr,scts OK
AT+CMGS Send SMS message
AT+CMGS=?
+CMGS mr,ackpdu OK
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AT+CMGW=?
AT+CMGW Write SMS message to memory
+CMGW index OK
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AT+CMSS Send SMS message from storage
AT+CNMA New SMS message acknowledge to ME/TE, only phase 2+
AT+CNMI?
10 AT+CNMI New SMS message indications
AT+CNMI=?
+CNMI mode,mt,bm,ds,bfr OK
Code +CDSI mem,index
Ited result code +CDS lengthCRLFpdu PDU mode
Enabled or +CDS fo,mr,ra,tora,scts,dt, st
+CBMI mem,index
11 AT+CPMS Preferred SMS message storage
+CMS ERRORerr
+CPMS used1,total1,used2,total2,used3,total3 OK
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AT+CSCA?
12 AT+CSCA SMS service centre address
AT+CSCA=?
+CSCA sca,tosca OK
Dcss
13 AT+CSCB Select cell broadcast messages
+CSCB mode,mids,dcss
Mids
14 AT+CSDH Show SMS text mode parameters
AT+CSMP?
15 AT+CSMP Set SMS text mode parameters
AT+CSMP=?
+CSMPfo,vp/scts,pid,dcs OK
Service
16 AT+CSMS Select Message Service
+CSMS service,mt,mo,bm OK
+CSMS mt,mo,bm OK
State
Commands specific to MTs supporting Gprs
1 AT+CGATT Gprs attach and detach
+CGACT state
+CGACT cid, state CRLF+CGACT cid, state
2 AT+CGACT PDP context activate or deactivate
Cid
L2P
3 AT+CGDATA Enter data state
AT+CGDATA=?
+CGDATA=L2P
See test command
4 AT+CGDCONT Define PDP Context
Packet Data Protocol type is a string parameter which
5 AT+CGQMIN Quality of Service Profile Minimum acceptable
Delay Class Mean Transfer Delay Percentile
At+cgqmin? OK at+cgqmin=1,0 OK at+cgqmin? +CGQMIN1,0,0,0,0,0
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AT+CGQREG?
6 AT+CGQREQ Quality of Service Profile Requested
AT+CGQREG=?
AT+CGQREG=
Non real-time traffic, error-sensitive application that
At+cgqreq? OK at+cgqreq=1,0 OK at+cgqreq? +CGQREQ1,0,0,0,0,0
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7 AT+CGSMS Select service for MO SMS messages
+CGSMS service
Auth
Atsgauth Set type of authentication for PPP connection
+CGACT auth
ATD *99# Request Gprs service
Modem compatibility commands to MTs supporting Gprs
Calledaddress
ATD *98# Request Gprs IP service
Ring
+CRING Gprs PDPtype,PDPaddr
AT+CGDCONT? +CGDCONT1,IP
AT+CGDCONT=1,IP
AT+CGDCONT=1
AT+CGQREQ=1
AT+CGQREQ=1,2
AT+CGQREQ?
AT+CGACT=1,2
Using the Gprs dial command ATD
AT Commands for SIM Application Toolkit GSM
ATSSTA?
Atssta Remote-SAT Interface Activation
ATSSTA=?
ATSSTA=
Sstn Remote-SAT Notification
ATSSTGI?
Atsstgi Remote-SAT Get Information
ATSSTGI=?
ATSSTGI=
ATSSTR?
Atsstr Remote-SAT Response
ATSSTR=?
ATSSTR=
AT+CXXCID
AT+CXXCID Display card ID identical to Atscid
AT+CXXCID=?
See Scid
ATMONI=?
Atmoni Monitor idle mode and dedicated mode
Period
Dedicated channel
ATMONP=?
Atmonp Monitor neighbour cells
Atmonp
Acm
Atsacm Advice of charge and query of ACM and ACMmax
Sacm n,acm,acmmax OK
+CCCM ccm
Atsbc Battery charging / discharging and charge control
Bcs
ATSBC=
ATSBC?
SBC bcs,bcl,mpc
SBC Undervoltage
ATSCID=?
Atscid Display SIM card identification number
Scid cid OK
Scks n, m OK
ATSCKS=?
ATSCKS?
Scks m
Scni id1,cs,number,type
Atscni List Call Number Information
ATSCNI=?
Scni id2,cs,number,type
Sctm n, m OK
For battery accumulator temperature
For module board temperature
Sctma m
Siemens Important
Atsmso
Atshom Display Homezone
Atsdld Delete the last number redial memory
Atslcd Display Last Call Duration
ATSLCK=
Atslck Facility lock
ATSLCK=?
Slck status,class1CRLF Slck status, class2.... OK
Atsmgl List SMS messages from preferred storage
Atsmgl
ATSMGO?
Smgo mode
ATSMGO=?
Sgmo n,mode OK
ATSMGR=?
Atsmso Switch off mobile station
Atsmgr Read SMS message without set to REC Read
ATSMGR=
ATSM20 Set M20 Compatibility
SM20 n,m
ATSNFA?
Atsnfa Set or query microphone attenuation
ATSNFA=?
Snfa atten OK
ATSNFD=?
Atsnfd Set audio parameters to manufacturer default values
Brate0 to 4, sideTone of all audio modes
Brates OK
Atsnfi Set microphone path parameters
ATSNFI=?
ATSNFI?
ATSNFM=?
Atsnfm Mute microphone
Audio programming model
ATSNFM?
OutCalibrate0 ... outCalibrate4
Atsnfo Set audio output = loudspeaker path parameter
OutBbcGain outCalibrate0...outCalibrate4 outStep sideTone
OutStep
Atsnfs Select audio hardware set
+ CME Error error
Snfs audMode OK
Snfv outStep
Atsnfv Set loudspeaker volume
Atsnfw Write audio setting in non-volatile store
Brate4, side Tone
See AT+CPBS/ATSPBS
Atspbc Search the first entry in the sorted telephone book
ATSPBC=?
Char
ATSPBG=
ATSPBG=?
Spbg list of used indexs, nlength, tlength
Atspbs Steps the selected phonebook alphabetically
Atspic
Atspic Display PIN counter
ATSPIC=?
Spic counter OK
SPLM.....OK
Atsplm Read the Plmn list
Splm numeric numeric1,long alphanumeric alpha1CRLF
Alphan
ATSPLR=
Atsplr Read entry from the preferred operators list
ATSPLR=?
Splr index1, oper Splr index2, oper OK
ATSPLW=?
Atsplw Write an entry to the preferred operators list
ATSPLW=
Spwd list of supported fac, pwdlengths OK
Atspwd Change password for a lock
ATSPWD=?
Atspwd =
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Ssda da OK
Atssda Set Display Availability
Da display availability
ATSSYNC=?
Atssync Configure Sync Pin
+SSYNC mode OK
ATSSYNC?
LED mode Function
Atstcd
Atstcd Display Total Call Duration
ATSTCD=?
Stcd time OK
Summary of CME Errors related to GSM
Summary of Errors and Messages
Code of err Meaning
Summary of GPRS-related CME Errors
Code of err Meaning 103 Illegal MS
Summary of CMS Errors related to GSM
Code of err
Summary of Unsolicited Result Codes URC
How to activate
Message
Meaning How to activate
Sysstart Sysstart CHARGE-ONLY Mode Sysstart Alarm Mode
ATSCTM=1
Indication Numeric Meaning
Cause Location ID for the extended error report AT+CEER
Result codes
IDDescription
Siemens release cause for L3 Radio Resource RR AT+CEER
GSM release cause for L3 Radio Resource RR AT+CEER
Number Description
GSM release cause for L3 Mobility Management MM AT+CEER
Cause related to subscription options
Siemens release cause for L3 Mobility Management MM AT+CEER
GSM release cause for L3 Call Control CC AT+CEER
Service or option not available class
Siemens release cause for L3 Call Control CC AT+CEER
Siemens release cause for L3 Advice of Charge AOC AT+CEER
GSM release cause for Supplementary Service call AT+CEER
Return Error Problem Codes
GSM release cause for Session Management SM AT+CEER
Siemens release cause for Session Management SM AT+CEER
Siemens release cause for Gprs API AT+CEER
Siemens release cause for Embedded Netcore AT+CEER
Summary of PIN requiring AT Commands
AT command Required PIN
Atmonp PIN Atmoni Atsacm
AT command Required PIN
Atssda PIN Atstcd
AT command Test Read
AT commands available before entering the SIM PIN
Execute
Atsnfm
AT command Test Read Write Execute
AT+COPS
Atsnfs Atsnfv Atsnfw Atspic Atssync
Standard GSM service codes
# code Functionality Possible responses
Abbreviations of codes and responses
Additional notes on SCCFC, SCCWA, Sclck
Atd*#21**25# Sccfc 0,0,7
Alphabet tables
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