Document Outline

• Contents
• List of Tables
• List of Figures
• 1. Introduction
  • 1.1 Scope of the document
  • 1.2 Related documents
  • 1.3 Document conventions
    • 1.3.1 Quick reference table
    • 1.3.2 Superscript notation for parameters and values
  • 1.4 AT Command Syntax
    • 1.4.1 Using Parameters
    • 1.4.2 Combining AT commands on the same command line
  • 1.5 Supported character sets
    • 1.5.1 GSM alphabet tables and UCS2 character values
    • 1.5.2 UCS2 and GSM data coding and conversion for SMS text mode
      • 1.5.2.1 Implementing output of SIM data to Terminal (direction TA to TE)
      • 1.5.2.2 Implementing input of Terminal data to SIM (direction TE to TA)
  • 1.6 Serial Interface Flow Control
    • 1.6.1 Software Flow Control (XON/OFF Handshake)
    • 1.6.2 Hardware Flow Control (RTS/CTS Handshake)
  • 1.7 Unsolicited Result Code Presentation
    • 1.7.1 Communication between Customer Application and MC55
  • 1.8 Common PCN Handset Specification (CPHS)
  • 1.9 Errors and Messages
• 2. Configuration Commands
  • 2.1 AT&F Set all current parameters to manufacturer defaults
  • 2.2 AT&V Display current configuration
    • 2.2.1 AT&V responses
  • 2.3 AT&W Stores current configuration to user defined profile
  • 2.4 ATQ Set result code presentation mode
  • 2.5 ATV Set result code format mode
    • 2.5.1 Verbose and numeric result codes
  • 2.6 ATX Set CONNECT result code format and call monitoring
  • 2.7 ATZ Set all current parameters to user defined profile
  • 2.8 AT+CFUN Set phone functionality
    • 2.8.1 Wake up the ME from SLEEP mode
  • 2.9 AT^SMSO Switch off mobile station
  • 2.10 AT+GCAP Request complete TA capabilities list
  • 2.11 AT+CMEE Mobile Equipment Error Message Format
    • 2.11.1 CME/CMS Error Code Overview
  • 2.12 AT+CSCS Select TE character set
  • 2.13 AT^SCFG Extended Configuration Settings
  • 2.14 AT^SM20 Set M20 compatibility mode
• 3. Status Control Commands
  • 3.1 AT+CMER Mobile Equipment Event Reporting
  • 3.2 AT+CIND Indicator control
  • 3.3 AT^SIND Extended Indicator Control
  • 3.4 AT+CEER Extended Error Report
    • 3.4.1 Cause Location ID for the extended error report
    • 3.4.2 GSM release cause for L3 Radio Resource (RR)
    • 3.4.3 SIEMENS release cause for L3 Radio Resource (RR)
    • 3.4.4 GSM release cause for Mobility Management (MM) or Session Management (SM)
    • 3.4.5 SIEMENS release cause for L3 Mobility Management (MM)
    • 3.4.6 GSM release cause for L3 Call Control (CC)
    • 3.4.7 SIEMENS release cause for L3 Call Control (CC)
    • 3.4.8 SIEMENS release cause for L3 Advice of Charge (AOC)
    • 3.4.9 GSM Release cause for Supplementary Service Call
    • 3.4.10 SIEMENS release cause for Call-related Supplementary Services (CRSS)
    • 3.4.11 SIEMENS release cause for Session Management (SM)
    • 3.4.12 GSM cause for L3 Protocol module or other local cause
    • 3.4.13 SIEMENS release cause for GPRS API
    • 3.4.14 SIEMENS release cause for PPP/IP-Stack
  • 3.5 ATS18 Extended call release report
  • 3.6 AT+CPAS Mobile equipment activity status
  • 3.7 AT+WS46 Select wireless network
• 4. Serial Interface Control Commands
  • 4.1 AT\Q Flow control
  • 4.2 AT&C Set Data Carrier Detect (DCD) Line mode
  • 4.3 AT&D Set circuit Data Terminal Ready (DTR) function mode
  • 4.4 AT&S Set circuit Data Set Ready (DSR) function mode
  • 4.5 ATE Enable command echo
  • 4.6 AT+ILRR Set TE-TA local rate reporting
  • 4.7 AT+IPR Set fixed local rate
    • 4.7.1 Autobauding
  • 4.8 AT+CMUX Enter multiplex mode
    • 4.8.1 Restrictions on Multiplex mode
    • 4.8.2 Second serial interface ASC1
• 5. Security Commands
  • 5.1 AT+CPIN PIN Authentication
    • 5.1.1 What to do if PIN or password authentication fails?
  • 5.2 AT+CPIN2 PIN2 Authentication
  • 5.3 AT^SPIC Display PIN counter
  • 5.4 AT+CLCK Facility lock
  • 5.5 AT^SLCK Facility lock
  • 5.6 AT+CPWD Change Password
  • 5.7 AT^SPWD Change Password
• 6. Identification Commands
  • 6.1 ATI Display product identification information
  • 6.2 AT+CGMI Request manufacturer identification
  • 6.3 AT+GMI Request manufacturer identification
  • 6.4 AT+CGMM Request model identification
  • 6.5 AT+GMM Request model identification
  • 6.6 AT+CGMR Request revision identification of software status
  • 6.7 AT+GMR Request revision identification of software status
  • 6.8 AT+CGSN Request International Mobile Equipment Identity (IMEI)
  • 6.9 AT+GSN Request International Mobile Equipment Identity (IMEI)
  • 6.10 AT+CIMI Request International Mobile Subscriber Identity (IMSI)
• 7. Call related Commands
  • 7.1 Call Status Information
  • 7.2 ATA Answer a call
  • 7.3 ATD Mobile originated call to specified number
  • 7.4 ATD><mem><n> Mobile originated call using specific memory and index number
  • 7.5 ATD><n> Mobile originated call from active memory using index number
  • 7.6 ATD><str> Mobile originated call from active memory using corresponding field
  • 7.7 ATDI Mobile originated call to ISDN number
  • 7.8 ATDL Redial last number used
  • 7.9 ATH Disconnect existing connection
  • 7.10 AT+CHUP Hang up call
  • 7.11 ATS0 Set number of rings before automatically answering a call
  • 7.12 ATS6 Set pause before blind dialing
  • 7.13 ATS7 Set number of seconds to wait for connection completion
  • 7.14 ATS8 Set number of seconds to wait for comma dialing modifier
  • 7.15 ATS10 Set disconnect delay after indicating the absence of data carrier
  • 7.16 ATO Switch from command mode to data mode / PPP online mode
  • 7.17 +++ Switch from data mode to command mode
  • 7.18 AT+CBST Select bearer service type
  • 7.19 AT+CRLP Select radio link protocol parameters for originated non-transparent data calls
  • 7.20 AT+CLCC List current calls of ME
  • 7.21 AT^SLCC Siemens defined command to list current calls of ME
  • 7.22 AT+CR Service reporting control
  • 7.23 AT+CRC Set Cellular Result Codes for incoming call indication
  • 7.24 AT+CSNS Single Numbering Scheme
  • 7.25 AT^SCNI List Call Number Information
  • 7.26 AT^SLCD Display Last Call Duration
  • 7.27 AT^STCD Display Total Call Duration
  • 7.28 ATP Select pulse dialing
  • 7.29 ATT Select tone dialing
• 8. Network Service Commands
  • 8.1 AT+COPN Read operator names
  • 8.2 AT+COPS Operator Selection
  • 8.3 AT^SOPS Extended Operator Selection
  • 8.4 AT+CREG Network registration
  • 8.5 AT+CSQ Signal quality
  • 8.6 AT^SMONC Cell Monitoring
  • 8.7 AT^SMOND Cell Monitoring
  • 8.8 AT^MONI Monitor idle mode and dedicated mode
    • 8.8.1 AT^MONI responses
    • 8.8.2 Service states
  • 8.9 AT^MONP Monitor neighbour cells
    • 8.9.1 AT^MONP responses
  • 8.10 AT^SMONG GPRS Monitor
    • 8.10.1 AT^SMONG Cell Info Table
  • 8.11 AT^SALS Alternate Line Service
  • 8.12 AT^SHOM Display Homezone
  • 8.13 AT^SPLM Read the PLMN list
  • 8.14 AT+CPOL Preferred Operator List
  • 8.15 AT^SPLR Read entry from the preferred operators list
  • 8.16 AT^SPLW Write an entry to the preferred operators list
• 9. Supplementary Service Commands
  • 9.1 AT+CACM Accumulated call meter (ACM) reset or query
  • 9.2 AT^SACM Advice of charge and query of ACM and ACMmax
  • 9.3 AT+CAMM Accumulated call meter maximum (ACMmax) set or query
  • 9.4 AT+CAOC Advice of Charge information
  • 9.5 AT+CCUG Closed User Group
  • 9.6 AT+CCFC Call forwarding number and conditions control
  • 9.7 AT+CCWA Call Waiting
  • 9.8 AT+CHLD Call Hold and Multiparty
  • 9.9 AT+CLIP Calling Line Identification Presentation
  • 9.10 AT+CLIR Calling line identification restriction
  • 9.11 AT+COLP Connected Line Identification Presentation
  • 9.12 AT+CPUC Price per unit and currency table
  • 9.13 AT+CSSN Supplementary service notifications
  • 9.14 AT+CUSD Supplementary service notifications
• 10. Internet Service Commands
  • 10.1 AT^SICS Internet Connection Setup Profile
    • 10.1.1 Example: Default values of a CSD connection profile
    • 10.1.2 Example: GPRS connection profile
  • 10.2 AT^SICI Internet Connection Information
    • 10.2.1 Checking Connection Profile Status
  • 10.3 AT^SISS Internet Service Setup Profile
  • 10.4 AT^SISI Internet Service Information
  • 10.5 AT^SISO Internet Service Open
    • 10.5.1 Example: Accepting / Rejecting Socket Connection Request from Remote Client
  • 10.6 AT^SISC Internet Service Close
  • 10.7 AT^SISR Internet Service Read Data
    • 10.7.1 Example: Socket Host Reads Small Amounts of UDP Data Packets (URC Mode)
  • 10.8 AT^SISW Internet Service Write Data
    • 10.8.1 Usage of parameter <eodFlag>
  • 10.9 AT^SISE Internet Service Error Report
  • 10.10 Internet Service URC "^SIS"
    • 10.10.1 Information Elements Related to the Service Application
    • 10.10.2 Information Elements Related to FTP Service
    • 10.10.3 Information Elements Related to HTTP Service
    • 10.10.4 Information Elements Related to POP3 Service
    • 10.10.5 Information Elements Related to SMTP Service
  • 10.11 Examples of how to Configure and Use Internet Service Profiles
    • 10.11.1 Selecting URC Mode or Polling Mode
    • 10.11.2 Configuring Socket Listener
    • 10.11.3 Configuring Socket Client for Calling a Socket Listener on Another Host
    • 10.11.4 Socket Client Sends Data via TCP Connection (Polling Mode)
    • 10.11.5 Socket client sends data via TCP connection with URCs
    • 10.11.6 Configuring and Using FTP Download (URC Mode)
    • 10.11.7 Configuring and Using FTP Upload (URC Mode)
    • 10.11.8 Configuring SMPT Service Profile
    • 10.11.9 Sending Email (URC Mode)
    • 10.11.10 Sending Email (Polling Mode)
    • 10.11.11 Configuring POP3 Service Profile
    • 10.11.12 Retrieving Email (URC Mode)
    • 10.11.13 Retrieving Email (Polling Mode)
    • 10.11.14 HTTP POST (Polling Mode)
    • 10.11.15 HTTP GET (Polling Mode)
• 11. GPRS Commands
  • 11.1 AT+CGACT PDP context activate or deactivate
  • 11.2 AT+CGANS Manual response to a network request for PDP context activation
  • 11.3 AT+CGATT GPRS attach or detach
  • 11.4 AT+CGAUTO Automatic response to a network request for PDP context activation
  • 11.5 AT+CGEREP GPRS event reporting
  • 11.6 AT+CGDATA Enter data state
    • 11.6.1 Automatic deactivation of PDP context during dial-up PPP
  • 11.7 AT+CGDCONT Define PDP Context
  • 11.8 AT+CGPADDR Show PDP address
  • 11.9 AT+CGQMIN Quality of Service Profile (Minimum acceptable)
  • 11.10 AT+CGQREQ Quality of Service Profile (Requested)
  • 11.11 AT+CGREG GPRS Network Registration Status
  • 11.12 AT+CGSMS Select service for MO SMS messages
  • 11.13 AT^SGAUTH Set type of authentication for PPP connection
  • 11.14 AT^SGCONF Configuration of GPRS related Parameters
  • 11.15 ATA Manual response to a network request for PDP context activation
  • 11.16 ATD*99# Request GPRS service
  • 11.17 ATD*98# Request GPRS IP service
  • 11.18 ATH Manual rejection of a network request for PDP context activation
  • 11.19 ATS0 Automatic response to a network request for PDP context activation
  • 11.20 Using GPRS AT commands (Examples)
  • 11.21 Using the GPRS dial command ATD
• 12. FAX Commands
  • 12.1 FAX parameters
    • 12.1.1 Summary of Fax Class 2 URCs defined by EIA PN-2388
  • 12.2 AT+FBADLIN Bad Line Threshold
  • 12.3 AT+FBADMUL Error Threshold Multiplier
  • 12.4 AT+FBOR Query data Bit Order
  • 12.5 AT+FCIG Query or set the Local Polling ID
  • 12.6 AT+FCLASS Fax: Select, read or test service class
  • 12.7 AT+FCQ Copy Quality Checking
  • 12.8 AT+FCR Capability to Receive
  • 12.9 AT+FDCC Query or set capabilities
  • 12.10 AT+FDFFC Data Compression Format Conversion
  • 12.11 AT+FDIS Query or set session parameters
  • 12.12 AT+FDR Begin or continue phase C Data Reception
  • 12.13 AT+FDT Data Transmission
  • 12.14 AT+FET End a page or document
  • 12.15 AT+FK Kill operation, orderly FAX abort
  • 12.16 AT+FLID Query or set the Local Id setting capabilities
  • 12.17 AT+FMDL Identify Product Model
  • 12.18 AT+FMFR Request Manufacturer Identification
  • 12.19 AT+FOPT Set bit Order independently
  • 12.20 AT+FPHCTO DTE Phase C Response Timeout
  • 12.21 AT+FREV Identify Product Revision
  • 12.22 AT+FRH Receive Data Using HDLC Framing
  • 12.23 AT+FRM Receive Data
  • 12.24 AT+FRS Receive Silence
  • 12.25 AT+FTH Transmit Data Using HDLC Framing
  • 12.26 AT+FTM Transmit Data
  • 12.27 AT+FTS Stop Transmission and Wait
  • 12.28 AT+FVRFC Vertical Resolution Format Conversion
• 13. Short Message Service (SMS) Commands
  • 13.1 SMS parameters
  • 13.2 AT+CMGC Send an SMS command
  • 13.3 AT+CMGD Delete short message
  • 13.4 AT+CMGF Select SMS message format
  • 13.5 AT+CMGL List SMS messages from preferred store
  • 13.6 AT+CMGR Read SMS messages
  • 13.7 AT+CMGS Send Short Message
  • 13.8 AT+CMGW Write Short Messages to Memory
  • 13.9 AT+CMSS Send short messages from storage
  • 13.10 AT+CNMA New Message Acknowledgement to ME/TE, only phase 2+
  • 13.11 AT+CNMI New short Message Indication
  • 13.12 AT+CPMS Preferred SMS message storage
  • 13.13 AT+CSCA SMS Service Center Address
  • 13.14 AT+CSCB Select Cell Broadcast Message Indication
  • 13.15 AT+CSDH Show SMS text mode parameters
  • 13.16 AT+CSMP Set SMS text Mode Parameters
  • 13.17 AT+CSMS Select Message Service
  • 13.18 AT^SLMS List SMS Memory Storage
  • 13.19 AT^SMGL List Short Messages from preferred store without setting status to REC READ
  • 13.20 AT^SMGO Set or query SMS overflow presentation mode or query SMS overflow
  • 13.21 AT^SMGR Read short message without setting status to REC READ
  • 13.22 AT^SSCONF SMS Command Configuration
  • 13.23 AT^SSDA Set SMS Display Availability
  • 13.24 AT^SSMSS Set Short Message Storage Sequence
• 14. SIM related Commands
  • 14.1 AT+CRSM Restricted SIM Access
  • 14.2 AT^SXSM Extended SIM Access
  • 14.3 AT^SCKS Query SIM and Chip Card Holder Status
  • 14.4 AT^SCID Display SIM card identification number
  • 14.5 AT+CXXCID Display card ID
• 15. SIM Application Toolkit (SAT) Commands
  • 15.1 AT^SSTA SAT Interface Activation
  • 15.2 ^SSTN SAT Notification
  • 15.3 AT^SSTGI SAT Get Information
  • 15.4 AT^SSTR SAT Response
• 16. Phonebook Commands
  • 16.1 Sort Order for Phonebooks
  • 16.2 AT+CPBR Read from Phonebook
  • 16.3 AT+CPBS Select phonebook memory storage
  • 16.4 AT+CPBW Write into Phonebook
  • 16.5 AT^SPBC Find first matching entry in sorted phonebook
  • 16.6 AT^SPBD Purge phonebook memory storage
  • 16.7 AT^SPBG Display phonebook entries in alphabetical order
  • 16.8 AT^SPBS Step through the selected phonebook alphabetically
  • 16.9 AT+CNUM Read own numbers
  • 16.10 AT^SDLD Delete the 'last number redial' memory
• 17. Audio Commands
  • 17.1 Audio programming model
  • 17.2 ATL Set monitor speaker loudness
  • 17.3 ATM Set monitor speaker mode
  • 17.4 AT+CLVL Loudspeaker volume level
  • 17.5 AT+CMUT Mute control
  • 17.6 AT+VTD Tone duration
  • 17.7 AT+VTS DTMF and tone generation
  • 17.8 AT^SAIC Audio Interface Configuration
  • 17.9 AT^SNFA Set or query of microphone attenuation
  • 17.10 AT^SNFD Set audio parameters to manufacturer default values
  • 17.11 AT^SNFI Set microphone path parameters
  • 17.12 AT^SNFM Set microphone audio path and power supply
  • 17.13 AT^SNFO Set audio output (= loudspeaker path) parameter
  • 17.14 AT^SNFPT Set progress tones
  • 17.15 AT^SNFS Select audio hardware set
  • 17.16 AT^SNFTTY Signal TTY/CTM audio mode capability
  • 17.17 AT^SNFV Set loudspeaker volume
  • 17.18 AT^SNFW Write audio setting in non-volatile store
  • 17.19 AT^SRTC Ring tone configuration
• 18. Hardware related Commands
  • 18.1 AT+CCLK Real Time Clock
  • 18.2 AT+CALA Set alarm time
  • 18.3 AT^SBC Battery Charge Control
    • 18.3.1 Responses returned by read command
  • 18.4 AT^SBV Battery/Supply Voltage
  • 18.5 AT^SCTM Set critical operating temperature presentation mode or query temperature
  • 18.6 AT^SSYNC Configure SYNC Pin
    • 18.6.1 ME status indicated by status LED patterns
• 19. Miscellaneous Commands
  • 19.1 A/ Repeat previous command line
  • 19.2 ATS3 Set command line termination character
  • 19.3 ATS4 Set response formatting character
  • 19.4 ATS5 Write command line editing character
• 20. Appendix
  • 20.1 Restricted access to SIM data after SIM PIN authentication
  • 20.2 Star-Hash (*#) Network Commands
  • 20.3 Available AT Commands and Dependency on SIM PIN
  • 20.4 Availability of AT Commands Depending on Operating Mode of ME
  • 20.5 AT Command Settings storable with AT&W
  • 20.6 Factory Default Settings Restorable with AT&F
  • 20.7 Summary of Unsolicited Result Codes (URC)
  • 20.8 Alphabetical List of AT Commands