SIM5300E AT Command Manual V1.02
2.2.17 AT&D Set DTR Function Mode ................................................................................................................ 15
2.2.18 AT+GMI Request Manufacturer Identification ........................................................................................ 16
2.2.19 AT+GMM Request TA Model Identification ............................................................................................ 16
2.2.20 AT+GMR Request TA Revision Identification of Software Release .......................................................... 16
2.2.21 AT+GOI Request Global Object Identification ......................................................................................... 17
2.2.22 AT+GSN Request TA Serial Number Identification (IMEI) ....................................................................... 17
2.2.23 AT+ICF Set TE-TA Control Character Framing ......................................................................................... 17
2.2.24 AT+IFC Set TE-TA Local Data Flow Control .............................................................................................. 18
2.2.25 AT+IPR Set TE-TA Fixed Local Rate .......................................................................................................... 19
2.2.26 AT+HVOIC Disconnect Voice Call Only .................................................................................................... 20
3. AT COMMANDS ACCORDING TO 3GPP TS 27.007 ................................................................................................ 21
3.1 OVERVIEW OF ATC ACCORDING TO 3GPP TS 27.007 .................................................................................................. 21
3.2 DETAILED DESCRIPTIONS OF ATC ACCORDING TO 3GPP TS 27.007 ................................................................................ 22
3.2.1 AT+CACM Accumulated Call Meter (ACM) Reset or Query ..................................................................... 22
3.2.2 AT+CAMM Accumulated Call Meter Maximum (ACM max) Set or Query .............................................. 23
3.2.3 AT+CAOC Advice of Charge ..................................................................................................................... 24
3.2.4 AT+CBST Select Bearer Service Type ....................................................................................................... 25
3.2.5 AT+CCFC Call Forwarding Number and Conditions Control .................................................................... 26
3.2.6 AT+CCWA Call Waiting Control ............................................................................................................... 28
3.2.7 AT+CEER Extended Error Report ............................................................................................................. 30
3.2.8 AT+CGMI Request Manufacturer Identification...................................................................................... 31
3.2.9 AT+CGMM Request Model Identification ............................................................................................... 31
3.2.10 AT+CGMR Request TA Revision Identification of Software Release ........................................................ 31
3.2.11 AT+CGSN Request Product Serial Number Identification (Identical with +GSN) ..................................... 32
3.2.12 AT+CSCS Select TE Character Set ............................................................................................................ 32
3.2.13 AT+CSTA Select Type of Address ............................................................................................................. 33
3.2.14 AT+CHLD Call Hold and Multiparty ......................................................................................................... 34
3.2.15 AT+CIMI Request International Mobile Subscriber Identity .................................................................... 34
3.2.16 AT+CLCC List Current Calls of ME ............................................................................................................ 35
3.2.17 AT+CLCK Facility Lock .............................................................................................................................. 36
3.2.18 AT+CLIP Calling Line Identification Presentation .................................................................................... 38
3.2.19 AT+CLIR Calling Line Identification Restriction ....................................................................................... 40
3.2.20 AT+CMEE Report Mobile Equipment Error ............................................................................................. 41
3.2.21 AT+COLP Connected Line Identification Presentation............................................................................. 41
3.2.22 AT+COPS Operator Selection .................................................................................................................. 43
3.2.23 AT+CPAS Phone Activity Status ............................................................................................................... 44
3.2.24 AT+CPIN Enter PIN .................................................................................................................................. 45
3.2.25 AT+CPWD Change Password .................................................................................................................. 46
3.2.26 AT+CR Service Reporting Control ............................................................................................................ 47
3.2.27 AT+CRC Set Cellular Result Codes for Incoming Call Indication .............................................................. 48
3.2.28 AT+CREG Network Registration .............................................................................................................. 49
3.2.29 AT+CRLP Select Radio Link Protocol Parameters .................................................................................... 50
3.2.30 AT+CRSM Restricted SIM Access ............................................................................................................. 51
3.2.31 AT+CSQ Signal Quality Report ................................................................................................................ 52