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