BAIC AT Commands User Manual: Serial Interface, Commands, and More (EN)

AT Commands User Manual Table of Contents 1 Introduction........................................................................................................................................ 7 1.1 Purpose of the document ...................................................................................................................................7 1.2 Terms and Abbreviations ...................................................................................................................................7 2 AT commands features ......................................................................................................................

7 2.1 Serial interface settings........................................................................................................................................7 2.2 Command line ......................................................................................................................................................7 2.3 Default values.......................................................................................................................................................7 2.4 Information responses and result codes...........................................................................................................8 3 General behaviors...............................................................................................................................

8 3.1 Start up and initialization ....................................................................................................................................8 4 General commands.............................................................................................................................

9 4.1 Manufacturer identification +CGMI................................................................................................................9 4.2 Request model identification +CGMM............................................................................................................9 4.3 Request revision identification +CGMR..........................................................................................................9 4.4 Request product serial number identification +CGSN..................................................................................9 4.5 Set TE character set +CSCS ..............................................................................................................................9 4.6 Request international mobile subscriber identification +CIMI..................................................................10 4.7 Card identification +CCID ..............................................................................................................................10 4.8 Request complete capabilities list +GCAP....................................................................................................10 4.9 Repeat last command A/..................................................................................................................................10 5 Mobile equipment control and status commands ............................................................................11 5.1 Phone activity status +CPAS ...........................................................................................................................11 5.2 Switch off MS +CPWROFF...........................................................................................................................11 5.3 Set phone functionality +CFUN.....................................................................................................................11 5.4 Battery charge +CBC ........................................................................................................................................12 5.5 Keypad control +CKPD ..................................................................................................................................12 5.6 Display control +CDIS.....................................................................................................................................13 5.7 Display control +CDIS.....................................................................................................................................13 5.8 Mobile termination event reporting +CMER................................................................................................14 5.9 Clock +CCLK....................................................................................................................................................15 5.10 Alarm +CALA ...................................................................................................................................................15 5.11 Delete alarm +CALD........................................................................................................................................16 5.12 Restricted SIM access +CRSM........................................................................................................................16 5.13 Alert sound mode +CALM..............................................................................................................................18 5.14 Ringer sound level +CRSL...............................................................................................................................18 5.15 Loudspeaker volume level +CLVL.................................................................................................................18 5.16 Mute control +CMUT ......................................................................................................................................18 5.17 Call meter maximum event +CCWE..............................................................................................................19 5.18 Set greeting text +CSGT ..................................................................................................................................19 5.19 Automatic Time Zone Update +CTZU.........................................................................................................19 5.20 Time Zone Reporting +CTZR........................................................................................................................19 5.21 Report mobile termination error +CMEE.....................................................................................................20 5.22 List all available AT commands +CLAC .......................................................................................................20 6.1 Select type of address +CSTA .........................................................................................................................21 6.2 Dial command D ...............................................................................................................................................21 6.2.2 V.25ter dialing digits..........................................................................................................................................21 6.2.3 V.25ter or GSM modifier characters..............................................................................................................21 6.2.4 Direct calling from phonebooks .....................................................................................................................21 6.2.5 Responses ...........................................................................................................................................................22 6.3 Select tone dialing T ..........................................................................................................................................22 6.4 Select pulse dialing P .........................................................................................................................................22 2

Стр. 2

AT Commands User Manual 6.5 Call answer A......................................................................................................................................................22 6.6 Hook control H..................................................................................................................................................22 6.7 Monitor speaker loudness L.............................................................................................................................22 6.8 Monitor speaker mode M.................................................................................................................................22 6.9 Call mode +CMOD ..........................................................................................................................................23 6.10 Hang up call +CHUP........................................................................................................................................23 6.11 Extended error report +CEER .......................................................................................................................23 6.12 Tone duration +VTD .......................................................................................................................................23 6.13 DTMF and tone generation +VTS .................................................................................................................24 6.14 Redial last telephone number ATDL..............................................................................................................24 6.15 Automatic answer S0.........................................................................................................................................24 7.1 Subscriber number +CNUM ...........................................................................................................................25 7.2 Signal quality +CSQ ..........................................................................................................................................25 7.3 Operator selection +COPS..............................................................................................................................26 7.4 Network registration +CREG .........................................................................................................................27 7.5 Preferred operator list +CPOL........................................................................................................................27 7.6 Read operator names +COPN ........................................................................................................................28 8 Security Commands..........................................................................................................................

29 8.1 Enter PIN +CPIN.............................................................................................................................................29 8.2 Facility lock +CLCK .........................................................................................................................................29 8.3 Change password +CPWD..............................................................................................................................30 9 Phonebook Commands.....................................................................................................................31 9.1 Select phonebook memory storage +CPBS...................................................................................................31 9.2 Read phonebook entries +CPBR....................................................................................................................31 9.3 Find phonebook entries +CPBF.....................................................................................................................32 9.4 Write phonebook entry +CPBW.....................................................................................................................32 10 Short Messages Commands .............................................................................................................

33 10.1 Parameter definition..........................................................................................................................................33 10.2 Select message service +CSMS........................................................................................................................33 10.3 Preferred message storage +CPMS.................................................................................................................34 10.4 Preferred message format +CMGF................................................................................................................34 10.5 Save settings +CSAS .........................................................................................................................................34 10.6 Restore Settings +CRES...................................................................................................................................34 10.7 Show text mode parameters +CSDH.............................................................................................................35 10.8 New message indication +CNMI....................................................................................................................35 10.9 Read message +CMGR.....................................................................................................................................37 10.10 New Message Acknowledgement to ME/TA +CNMA..............................................................................37 10.11 List message +CMGL.......................................................................................................................................38 10.12 Send message +CMGS .....................................................................................................................................38 10.13 Write message to memory +CMGW..............................................................................................................39 10.14 Send message from storage +CMSS...............................................................................................................39 10.15 Set text mode parameters +CSMP..................................................................................................................39 10.16 Delete SMS +CMGD........................................................................................................................................40 10.17 Service center address +CSCA ........................................................................................................................40 10.18 Select cell broadcast message types +CSCB..................................................................................................40 11 Supplementary Services Command...................................................................................................41 11.1 Call waiting +CCWA.........................................................................................................................................42 11.2 Calling line identification restriction +CLIR .................................................................................................43 11.3 Calling line identification presentation +CLIP..............................................................................................43 11.4 Connected line identification presentation +COLP.....................................................................................44 11.5 Connected line identification restriction +COLR ........................................................................................44 11.6 Advise of charge +CAOC................................................................................................................................45 11.7 Accumulated call meter +CACM....................................................................................................................45 3

Стр. 3

AT Commands User Manual 11.8 Accumulated call meter maximum +CAMM ................................................................................................45 11.9 Price per unit and currency table +CPUC .....................................................................................................46 11.10 Call related supplementary services +CHLD................................................................................................46 11.11 Call deflection +CTFR......................................................................................................................................46 11.12 List current calls +CLCC..................................................................................................................................47 11.13 Supplementary service notifications +CSSN.................................................................................................47 11.14 Unstructured supplementary service data +CUSD ......................................................................................48 11.15 Closed user group +CCUG..............................................................................................................................49 11.16 Calling name presentation +CNAP ................................................................................................................49 12 Data Commands................................................................................................................................51 12.1 Select bearer service type +CBST ...................................................................................................................51 12.2 Service class selection and identification +FCLASS.....................................................................................51 12.3 Service reporting control +CR.........................................................................................................................52 12.4 Cellular result codes +CRC..............................................................................................................................52 12.5 Radio link protocol +CRLP.............................................................................................................................53 13 Fax Class Commands.......................................................................................................................

54 13.1 Transmit Data +FDT........................................................................................................................................54 13.2 Receive Data +FDT..........................................................................................................................................54 13.3 Initialize facsimile parameters +FIP ...............................................................................................................54 13.4 Session termination +FKS, +FK ....................................................................................................................54 13.5 Adaptive answer +FAA....................................................................................................................................54 13.6 Address & polling capabilities +FAP .............................................................................................................54 13.7 Buffer size +FBS................................................................................................................................................54 13.8 Data bit order +FBO ........................................................................................................................................55 13.9 HDLC frame reporting +FBU ........................................................................................................................55 13.10 DS capabilities parameters +FCC ...................................................................................................................55 13.11 Copy quality checking +FCQ ..........................................................................................................................55 13.12 Capability to receive data +FCR......................................................................................................................55 13.13 Current session results +FCS...........................................................................................................................56 13.14 DTE phase C response timeout +FCT..........................................................................................................56 13.15 Phase C received EOL alignment +FEA.......................................................................................................56 13.16 Format conversion +FFC.................................................................................................................................56 13.17 Call termination status +FHS ..........................................................................................................................57 13.18 Procedure interrupt enable +FIE....................................................................................................................57 13.19 Current session parameters +FIS....................................................................................................................57 13.20 Inactivity timeout +FIT....................................................................................................................................57 13.21 Local ID string +FLI ........................................................................................................................................57 13.22 Set flow control +FLO.....................................................................................................................................57 13.23 Indicate document to poll +FLP.....................................................................................................................57 13.24 Request manufacturer identification +FMI...................................................................................................58 13.25 Request model identification +FMM .............................................................................................................58 13.26 Request revision identification +FMR............................................................................................................58 13.27 Minimum phase C speed +FMS......................................................................................................................58 13.28 Negotiation reporting +FNR...........................................................................................................................58 13.29 Non-standard frame FIF octet string +FNS.................................................................................................58 13.30 NSF message data indication +FND..............................................................................................................58 13.31 Selective polling address +FPA.......................................................................................................................59 13.32 Local polling ID string +FPI...........................................................................................................................59 13.33 Packet protocol control +FPP.........................................................................................................................59 13.34 Page status +FPS ...............................................................................................................................................59 13.35 Password parameter +FPW .............................................................................................................................59 13.36 Receive quality thresholds +FRQ ...................................................................................................................59 13.37 Error correction mode retry count +FRY.....................................................................................................59 4

Стр. 4

AT Commands User Manual 13.38 SubAddress parameter +FSA ..........................................................................................................................60 13.39 Request to poll +FSP........................................................................................................................................60 14 V24 control and V25ter commands ...................................................................................................61 14.1 Reset to default configuration Z......................................................................................................................61 14.2 Set to factory defined configuration &F.........................................................................................................61 14.3 Circuit 109 behavior &C...................................................................................................................................61 14.4 Circuit 108/2 behavior &D..............................................................................................................................61 14.5 DSR override &S ...............................................................................................................................................62 14.6 Flow control &K................................................................................................................................................62 14.7 Store current configuration &W......................................................................................................................62 14.8 Display current configuration &V...................................................................................................................62 14.9 Designate a default reset profile &Y...............................................................................................................63 14.10 Request identification information I...............................................................................................................63 14.11 Request manufacturer Identification +GMI..................................................................................................63 14.12 Request model identification +GMM.............................................................................................................63 14.13 Request revision identification +GMR...........................................................................................................63 14.14 Request product serial number identification +GSN...................................................................................64 14.15 DTE-DCE character framing +ICF...............................................................................................................64 14.16 DTE-DCE local flow control +IFC...............................................................................................................64 14.17 Set flow control \Q...........................................................................................................................................65 14.18 Fixed DTE rate +IPR.......................................................................................................................................65 14.19 Return to on-line data state O..........................................................................................................................65 14.20 Escape character S2...........................................................................................................................................65 14.21 Command line termination character S3........................................................................................................66 14.22 Response formatting character S4...................................................................................................................66 14.23 Command line editing character S5.................................................................................................................66 14.24 Pause before blind dialing S6 ...........................................................................................................................66 14.25 Connection completion timeout S7 ................................................................................................................66 14.26 Command dial modifier time S8......................................................................................................................67 14.27 Automatic disconnect delay S10......................................................................................................................67 14.28 Escape prompt delay (EPD) S12.....................................................................................................................67 14.29 Command echo E..............................................................................................................................................67 14.30 Result code suppression Q...............................................................................................................................67 14.31 DCE response format V...................................................................................................................................68 14.32 Result code selection and call progress monitoring control X....................................................................68 15 Specific AT Commands....................................................................................................................

69 15.1 Production test command #............................................................................................................................69 15.2 GPRS cell environment description +CGED...............................................................................................69 15.3 Switch trace ON/OFF +TRACE...................................................................................................................72 15.4 Select Band +XBANDSEL..............................................................................................................................72 15.5 Set reporting call status +XCALLSTAT........................................................................................................72 15.6 Display generation and SW version +XGENDATA...................................................................................73 15.7 Read counters of sent or received GPRS data +XGCNTRD ....................................................................73 15.8 Set/reset counter of sent or received GPRS data +XGCNTSET .............................................................74 15.9 Set hands free mode +XHANDSFREE........................................................................................................74 15.10 Call the L1-specific function +XL1SET ........................................................................................................74 15.11 Configuration trace and modem (AT) interfaces +XSIO ...........................................................................75 16 SIM Toolkit ......................................................................................................................................

76 16.1 SIM-APPL-TK proactive commands +STKPRO........................................................................................76 16.2 SIM-APPL-TK terminal response +STKTR ................................................................................................77 16.3 SIM-APPL-TK envelope +STKENV............................................................................................................78 16.4 SIM-APPL-TK terminal profile +STKPROF...............................................................................................79 16.5 SIM-APPL-TK call control commands +STKCC .......................................................................................79 5

Стр. 5