Data Sheet

SIM900 AT Commands Set
SIM900R01_ATC_V1.00 5 15.01.2010
2.2.23 ATV TA Response Format ..........................................................................................31
2.2.24 ATX Set CONNECT Result Code Format And Monitor Call Progress .......................32
2.2.25 ATZ Reset default configuration ..................................................................................33
2.2.26 AT&C Set DCD Function Mode ..................................................................................34
2.2.27 AT&D Set DTR Function Mode...................................................................................34
2.2.28 AT&F Factory defined configuration ...........................................................................35
2.2.29 AT&V Display Current Configuration .........................................................................37
2.2.30 AT&W Store Active profile..........................................................................................37
2.2.31 AT+GCAP Request Complete TA Capabilities List .....................................................38
2.2.32 AT+GMI Request Manufacture Identification .............................................................38
2.2.33 AT+GMM Request TA Model Identification ...............................................................38
2.2.34 AT+GMR Request TA Revision Identification Of Software Release...........................39
2.2.35 AT+GOI Request Global Object Identification............................................................39
2.2.36 AT+GSN Request TA Serial Number Identification (IMEI) ........................................40
2.2.37 AT+ICF Set TE-TA Control Character Framing ..........................................................40
2.2.38 AT+IFC TE-TA local flow control...............................................................................41
2.2.39 AT+IPR Set TE-TA Fixed Local Rate ..........................................................................42
2.2.40 AT+HVOIC Disconnect Voice Call Only.....................................................................44
3 AT Commands According to GSM07.07......................................................................................45
3.1 Overview of AT Command According to GSM07.07 ...........................................................45
3.2 Detailed Descriptions of AT Command According to GSM07.07 ........................................46
3.2.1 AT+CACM Accumulated Call Meter (ACM) Reset Or Query ......................................46
3.2.2 AT+CAMM Accumulated Call Meter Maximum (ACM max) Set Or Query................47
3.2.3 AT+CAOC Advice Of Charge........................................................................................48
3.2.4 AT+CBST Select Bearer Service Type...........................................................................49
3.2.5 AT+CCFC Call Forwarding Number And Conditions ...................................................50
3.2.6 AT+CCWA Call Waiting Control ...................................................................................51
3.2.7AT+CEER Extended Error Report ..................................................................................53
3.2.8 AT+CGMI Request Manufacturer Identification ...........................................................55
3.2.9 AT+CGMM Request Model Identification ....................................................................55
3.2.10 AT+CGMR Request TA Revision Identification Of Software Release........................56
3.2.11 AT+CGSN Request Product Serial Number Identification (Identical With +GSN).....56
3.2.12 AT+CSCS Select TE Character Set..............................................................................56
3.2.13 AT+CSTA Select Type Of Address...............................................................................57
3.2.14 AT+CHLD Call Hold And Multiparty..........................................................................58
3.2.15 AT+CIMI Request International Mobile Subscriber Identity.......................................59
3.2.16 AT+CLCC List Current Calls Of ME...........................................................................59
3.2.17 AT+CLCK Facility Lock..............................................................................................60
3.2.18 AT+CLIP Calling Line Identification Presentation ......................................................62
3.2.19 AT+CLIR Calling Line Identification Restriction........................................................63
3.2.20 AT+CMEE Report Mobile Equipment Error................................................................64
3.2.21 AT+COLP Connected Line Identification Presentation ...............................................65
3.2.22 AT+COPS Operator Selection......................................................................................66
3.2.23 AT+CPAS Phone Activity Status..................................................................................68