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