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Table of Contents
Chapter 1 Introduction ..................................................................................................1-1
Scope of the Document............................................................................................................ 1-2
Related Documents.................................................................................................................. 1-2
ETSI Secretariat....................................................................................................................... 1-2
Abbreviations........................................................................................................................... 1-3
Definitions ............................................................................................................................... 1-4
Presentation Rules.................................................................................................................... 1-4
Chapter 2 AT Command Features................................................................................2-1
Serial Line Settings.................................................................................................................. 2-2
Command Line ........................................................................................................................ 2-2
Information Response and Result Codes ................................................................................. 2-2
Chapter 3 General Commands .....................................................................................3-1
Manufacturer Identification: +CGMI....................................................................................... 3-2
Request Model Identification: +CGMM.................................................................................. 3-2
Request Revision Identification: +CGMR............................................................................... 3-3
Product Serial Number: +CGSN.............................................................................................. 3-3
Select TE Character Set: +CSCS ............................................................................................. 3-3
Phonebook Character Set: +WPCS.......................................................................................... 3-4
Request IMSI: +CIMI.............................................................................................................. 3-4
Card Identification: +CCID ..................................................................................................... 3-4
Capabilities List: +GCAP ........................................................................................................ 3-5
Repeat Last Command: A/....................................................................................................... 3-5
Power Off: +CPOF .................................................................................................................. 3-5
Set Phone Functionality: +CFUN ............................................................................................ 3-5
Phone Activity Status: +CPAS................................................................................................. 3-6
Report Mobile Equipment Errors: +CMEE ............................................................................. 3-7
Keypad Control: +CKPD......................................................................................................... 3-7
Clock Management: +CCLK................................................................................................... 3-7
Alarm Management: +CALA .................................................................................................. 3-8
Generic SIM Access: +CSIM................................................................................................... 3-8
Restricted SIM Access: +CRSM............................................................................................ 3-10
Mobile Equipment Control Mode: +CMEC ...........................................................................3-11
Indicator Control: +CIND.......................................................................................................3-11
Multiplexing Mode: +CMUX................................................................................................ 3-12
Chapter 4 Call Control Commands ..............................................................................4-1
Dial Command: D.................................................................................................................... 4-2
Hang-Up Command: H............................................................................................................ 4-3
Answer a Call: A...................................................................................................................... 4-4
Remote Disconnection............................................................................................................. 4-4
Extended Error Report: +CEER............................................................................................... 4-4
DTMF Signals: +VTD, +VTS ................................................................................................. 4-5
Redial Last Telephone Number: ATDL.................................................................................... 4-5
Automatic Dialing with DTR: AT%Dn.................................................................................... 4-6
Automatic Answer: ATS0 ........................................................................................................ 4-7
Incoming Call Bearer: +CICB ................................................................................................. 4-7
Single Numbering Scheme: +CSNS ........................................................................................ 4-8
Gain Control: +VGR, +VGT ................................................................................................... 4-8