Main
AT Command Set
Contents
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Figures
Tables
0 Version History
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1 Introduction
1.1 Scope of the document
1.2 Supported product versions and related documents
1.3 Conventions
1.4 AT command syntax
1.4.1 Using parameters
1.4.2 Combining AT commands on the same command line
1.4.3 Entering successive AT commands on separate lines
1.5 Supported character sets
1.6 Flow control
1.6.1 Softw are flow control (XON/OFF flow control)
1.6.2 Hardware flow control (RTS/CTS flow control)
2 Standard V.25ter AT Commands
2.1 A/ Repeat previous command line
2.2 +++ Switch from data mode or PPP online mode to command mode
2.3 AT\Qn Flow control
2.4 ATA Answer a call
2.5 ATD Mobile originated call to dial a number
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2.6 ATD><mem><n> Originate call to phone number <n> in memory <mem>
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2.7 ATD><n> Originate call to phone number selected from active memory
2.8 ATD><str> Originate call to phone number in memory with correspond- ing field
2.9 ATDI Mobile originated call to dialable ISDN number <n>
2.10 ATDL Redial last telephone number used
2.11 ATE Enable command echo
2.12 ATH Disconnect existing connection
2.13 ATI Display product identification information
2.14 ATI[value] Display additional identification information
2.15 ATL Set monitor speaker loudness
2.16 ATM Set monitor speaker mode
2.17 ATO Switch from command mode to data mode / PPP online mode
2.18 ATQ Set result code presentation mode
2.19 ATP Select pulse dialling
2.20 ATS0 Set number of rings before automatically answering the call
2.21 ATS3 Write command line termination character
2.22 ATS4 Set response formatting character
2.23 ATS5 Write command line editing character
2.24 ATS6 Set pause before blind dialling
2.25 ATS7 Set number of seconds to wait for connection completion
2.26 ATS8 Set number of seconds to wait for comma dial modifier
2.27 ATS10 Set disconnect delay after indicating the absence of data carrier
2.28 ATS18 Extended error report
2.29 ATT Select tone dialling
2.30 ATV Set result code format mode
2.31 ATX Set CONNECT result code format and call monitoring
2.32 ATZ Set all current parameters to user defined profile
2.33 AT&C Set circuit Data Carrier Detec t (DCD) function mode
2.34 AT&D Set circuit Data Terminal Ready (DTR) function mode
2.35 AT&F Set all current parameters to manufacturer defaults
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2.36 AT&S Set circuit Da ta Set Ready (DSR) function mode
2.37 AT&V Display current configuration
2.38 AT&W Store current configuration to user defined profile
2.39 AT+GCAP Request complete TA capabilities list
2.40 AT+GMI Request manufacturer identification
2.41 AT+GMM Request TA model identification
2.42 AT+GMR Request TA revision identification of software status
2.43 AT+GSN Request TA serial number identification(IMEI)
2.44 AT+ILRR Set TE-TA local rate reporting
2.45 AT+IPR Set fixed local rate
2.45.1 Autobauding
3 AT Commands for FAX
C 0 data modem e.g. TIA/EIA-602 or ITU V.25ter C
C
3.1 AT+FBADLIN Bad Line Treshold
3.2 AT+FBADMUL Error Threshold Multiplier
3.3 AT+FBOR Query data bit order
3.4 AT+FCIG Query or set the Local polling id
3.5 AT+FCLASS Fax: Select, read or test service class
3.6 AT+FCQ Copy Quality Checking
3.7 AT+FCR Capability to receive
3.8 AT+FDCC Query or set capabilities
3.9 AT+FDFFC Data Compression Format Conversion
3.10 AT+FDIS Query or set session parameters
3.11 AT+FDR Begin or continue phase C data reception
3.12 AT+FDT Data Transmission
3.13 AT+FET End a page or document
3.14 AT+FK Kill operation, orderly FAX abort
3.15 AT+FLID Query or set the Local Id setting capabilities
3.16 AT+FMDL Identify Product Model
3.17 AT+FMFR Request Manufacturer Identification
3.18 AT+FOPT Set bit order independently
3.19 AT+FPHCTO DTE Phase C Response Timeout
3.20 AT+FREV Identify Product Revision
3.21 AT+FRH Receive Data Using HDLC Framing
3.22 AT+FRM Receive Data
3.23 AT+FRS Receive Silence
3.24 AT+FTH Transmit Data Using HDLC Framing
3.25 AT+FTM Transmit Data
3.26 AT+FTS Stop Transmission and Wait
3.27 AT+FVRFC Vertical resolution format conversion
4 AT Commands originating from GSM 07.07
4.1 AT+CACM Accumulated call meter (ACM) reset or query
4.2 AT+CALA Set alarm time
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4.3 AT+CAMM Accumulated call meter maximum (ACMmax) set or query
4.4 AT+CAOC Advice of Charge information
4.5 AT+CBST Select bearer service type
4.6 AT+CCFC Call forwarding number and conditions control
4.6.1 Examples: Call forwarding
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4.7 AT+CCLK Real Time Clock
4.8 AT+CCUG: Closed User Group
4.9 AT+CCWA Call waiting
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4.10 AT+CEER Extended error report
4.11 AT+CFUN Set phone functionality
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4.11.1 Wake up the ME from SLEEP mode
4.12 AT+CGMI Request manufacturer identification
4.13 AT+CGMM Request model identification
4.14 AT+CGMR Request revision identification of software status
4.15 AT+CGSN Request product serial number identification (IMEI) identical to GSN
4.16 AT+CHLD Call hold and multiparty
4.17 AT+CHUP Hang up call
4.18 AT+CIMI Request international mobile subscriber identity
4.19 AT+CIND Indicator control
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4.20 AT+CLCC List current calls of ME
4.21 AT+CLCK Facility lock
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4.21.1 Examples: Enabling / disabling PIN 1 authentication
4.21.2 Examples: Phone lock
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4.21.3 Examples: Call barring
4.22 AT+CLIP Calling line identification presentation
4.23 AT+CLIR Calling line identification restriction (by *# sequence)
4.24 AT+CLVL Loudspeaker volume level
4.25 AT+CMEE Report mobile equipment error
4.26 AT+CMER Mobile equipment event reporting
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4.27 AT+CMUT Mute control
4.28 AT+CMUX Enter multiplex mode
4.28.1 Restricted use of AT commands in Multiplex mode
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4.29 AT+COPN Read operator names
4.30 AT+COPS Operator selection
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4.31 AT+CPAS Mobile equipment activity status
4.32 AT+CPBR Read current phonebook entries
4.33 AT+CPBS Select phonebook memory storage
4.34 AT+CPBW Write phonebook entry
4.35 AT+CPIN Enter PIN
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4.35.1 What to do if PIN or password authentication fails?
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4.36 AT+CPIN2 Enter PIN2
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4.37 AT+CPUC Price per unit and currency table
4.38 AT+CPWD Change password
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4.39 AT+CR Service reporting control
4.40 AT+CRC Set Cellular Result Codes for incoming call indication
4.41 AT+CREG Network registration
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4.42 AT+CRLP Select radio link protocol param. for orig. non-transparent data call
4.43 AT+CRSM Restricted SIM access
4.44 AT+CSCS Set TE character set
4.45 AT+CSNS Single Numbering Scheme
4.46 AT+CSQ Signal quality
4.47 AT+CSSN Supplementary service notifications
4.48 AT+CUSD Unstructured supplementary service data
4.49 AT+VTD=<n> Tone duration
4.50 AT+VTS DTMF and tone generation (<Tone> in {0-9, *, #, A, B, C, D})
4.51 AT+WS46 Select wireless network
5 AT commands originating from GSM 07.05 for SMS
5.1 AT+CMGC Send an SMS command
5.2 AT+CMGD Delete SMS message
5.3 AT+CMGF Select SMS message format
5.4 AT+CMGL List SMS messages from preferred store
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5.5 AT+CMGR Read SMS message
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5.6 AT+CMGS Send SMS message
AT Command Set
5.7 AT+CMGW Write SMS message to memory
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5.8 AT+CMSS Send SMS message from storage
5.9 AT+CNMA New SMS message acknowledge to ME/TE, only phase 2+
5.10 AT+CNMI New SMS message indications
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5.11 AT+CPMS Preferred SMS message storage
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5.12 AT+CSCA SMS service centre address
5.13 AT+CSCB Select cell broadcast messages
5.14 AT+CSDH Show SMS text mode parameters
5.15 AT+CSMP Set SMS text mode parameters
5.16 AT+CSMS Select Message Service
6 GPRS AT commands in accordance with GSM 07.07
6.1 Commands specific to MTs supporting GPRS
6.1.1 AT+CGATT GPRS attach and detach
6.1.2 AT+CGACT PDP context activate or deactivate
6.1.3 AT+CGDATA Enter data state
6.1.4 AT+CGDCONT Define PDP Context
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6.1.5 AT+CGQMIN Quality of Service Profile (Minimum acceptable)
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6.1.6 AT+CGQREQ Quality of Service Profile (Requested)
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6.1.7 AT+CGSMS Select service for MO SMS messages
6.1.8 AT^SGAUTH Set type of authentication for PPP connection
6.2 Modem compatibility commands to MTs supporting GPRS
6.3 ATD *99# Request GPRS service
6.3.1 ATD *98# Request GPRS IP service
6.3.2 ATH Manual rejection of a network request for PDP context activation
6.4 Using GPRS AT commands (examples) 6.4.1 Miscellaneous AT commands
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6.5 Using the GPRS dial command ATD
7 AT Commands for SIM Application Toolkit (GSM 11.14)
7.1 AT^SSTA Remote-SAT Interface Activation
7.2 ^SSTN Remote-SAT Notification
7.3 AT^SSTGI Remote-SAT Get Information
7.4 AT^SSTR Remote-SAT Response
8 Siemens defined AT commands for enhanced functions
8.1 AT+CXXCID Display card ID (identical to AT^SCID)
8.2 AT^MONI Monitor idle mode and dedicated mode
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8.3 AT^MONP Monitor neighbour cells
8.4 AT^SACM Advice of charge and query of ACM and ACMmax
8.5 AT^SBC Battery charging / discharging and charge control
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8.6 AT^SCID Display SIM card identification number
8.7 AT^SCKS Set SIM connection presentation mode and query SIM con- nection status
8.8 AT^SCNI List Call Number Information
8.9 AT^SCTM Set critical operating temperature presentation mode or query temperature
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8.10 AT^SDLD Delete the last number redial memory
8.11 AT^SHOM Display Homezone
8.12 AT^SLCD Display Last Call Duration
8.13 AT^SLCK Facility lock
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8.14 AT^SMGL List SMS messages from preferred storage
8.15 AT^SMGO Set or query SMS overflow presentation mode or query SMS overflow
8.16 AT^SMSO Switch off mobile station
8.17 AT^SMGR Read SMS message without set to REC READ
8.18 AT^SM20 Set M20 Compatibility
8.19 AT^SNFA Set or query microphone attenuation
8.20 AT^SNFD Set audio parameters to manufacturer default values
8.21 AT^SNFI Set microphone path parameters
8.22 AT^SNFM Mute microphone
8.23 Audio programming model
8.24 AT^SNFO Set audio output (= loudspeaker path) parameter
8.25 AT^SNFPT Call progress tones
8.26 AT^SNFS Select audio hardware set
8.27 AT^SNFV Set loudspeaker volume
8.28 AT^SNFW Write audio setting in non-volatile store
8.29 AT^SPBC Search the first entry in the sorted telephone book
8.30 AT^SPBG Read entry from active telephone book via sorted index
8.31 AT^SPBS Steps the selected phonebook alphabetically
8.32 AT^SPIC Display PIN counter
8.33 AT^SPLM Read the PLMN list
8.34 AT^SPLR Read entry from the preferred operators list
8.35 AT^SPLW Write an entry to the preferred operators list
8.36 AT^SPWD Change password for a lock
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8.37 AT^SRTC Select, query, test ring tone parameters
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8.38 AT^SSCONF SMS Configuration
8.39 AT^SSDA Set Display Availability
8.40 AT^SSYNC Configure SYNC Pin
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8.41 AT^STCD Display Total Call Duration
9 APPENDIX
9.1 Summary of ERRORS and Messages
9.1.1 Summar y of CME ERRORS related to GSM 07.07
9.1.2 Summar y of GPRS-related CME ERRORS
9.1.3 Summar y of CMS ERRORS related to GSM 07.05
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9.1.4 Summar y of Unsolicited Result Codes (URC)
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9.1.5 Result codes
9.1.6 Cause Location ID for the extended error report (AT+CEER)
9.1.7 GSM release cause for L3 Radio Resource (RR) (AT+CEER)
9.1.8 SIEMENS release cause for L3 Radio Resource (RR) (AT+CEER)
9.1.9 GSM release cause for Mobility Management (MM) (AT+CEER)
9.1.10 SIEMENS release cause for L3 Mobility Management (MM) (AT+CEER)
9.1.11 GSM release cause for L3 Call Control (CC) (AT+CEER)
9.1.12 SIEMENS release cause for L3 Call Control (CC) (AT+CEER)
9.1.13 SIEMENS release cause for L3 Advice of Charge (AOC) (AT+CEER)
9.1.14 GSM release cause for Supplementary Service call (AT+CEER)
9.1.15 Siemens release cause for Call related Supplementary Services (CRSS) (AT+CEER)
9.1.16 GSM release cause for Session Management (SM) (AT+CEER)
9.1.17 SIEMENS release cause for Session Management (SM) (AT+CEER)
9.1.18 SIEMENS release cause for GPRS API (AT+CEER)
9.1.19 SIEMENS release cause for Embedded Netcore (AT+CEER)
9.2 Summary of PIN requiring AT Commands
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9.3 AT commands available before entering the SIM PIN
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9.4 Standard GSM service codes
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9.4.1 Additional notes on ^SCCFC, ^SCCWA, ^SCLCK
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9.5 GSM and UCS2 alphabet tables
