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About the Document
History
Revision
Date
Author
Description
1.0
2016-07-08
Hyman DING
Initial
1.1
2016-08-17
Hyman DING
Added AT+QDSIM command
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Contents
About the Document ................................................................................................................................... 2
Contents ....................................................................................................................................................... 3
Table Index ................................................................................................................................................... 9
1 Introduction ........................................................................................................................................ 10
1.1. Scope of the Document ......................................................................................................... 10
1.2. AT Command Syntax ............................................................................................................. 10
1.2.1. Combining AT Commands on the Same Command Line ........................................... 11
1.2.2. Entering Successive AT Commands on Separate Lines ............................................ 11
1.3. Supported Character Sets ..................................................................................................... 11
1.4. Flow Control .......................................................................................................................... 12
1.4.1. Software Flow Control (XON/XOFF Flow Control) ..................................................... 12
1.4.2. Hardware Flow Control (RTS/CTS Flow Control) ....................................................... 13
1.5. Unsolicited Result Codes ...................................................................................................... 13
2 General Commands ........................................................................................................................... 14
2.1. ATI Display Product Identification Information .................................................................... 14
2.2. AT+GMI Request Manufacturer Identification .................................................................... 15
2.3. AT+GMM Request TA Model Identification ......................................................................... 15
2.4. AT+GMR Request TA Revision Identification of Software Release ................................... 16
2.5. AT+GOI Request Global Object Identification .................................................................... 16
2.6. AT+CGMI Request Manufacturer Identification .................................................................. 17
2.7. AT+CGMM Request Model Identification ........................................................................... 18
2.8. AT+CGMR Request TA Revision Identification of Software Release ................................. 18
2.9. AT+GSN Request International Mobile Equipment Identity (IMEI) .................................... 19
2.10. AT+CGSN Request Product Serial Number Identification (Identical with +GSN) .............. 19
2.11. AT+QGSN Request Product Serial Number Identification (IMEI) ...................................... 20
2.12. AT&F Set All Current Parameters to Manufacturer Defaults .............................................. 21
2.13. AT&V Display Current Configuration .................................................................................. 21
2.14. AT&W Store Current Parameters to User Defined Profile .................................................. 23
2.15. ATQ Set Result Code Presentation Mode .......................................................................... 24
2.16. ATV TA Response Format .................................................................................................. 24
2.17. ATX Set CONNECT Result Code Format and Monitor Call Progress ............................... 26
2.18. ATZ Set All Current Parameters to User Defined Configurations ...................................... 27
2.19. AT+CFUN Set Phone Functionality .................................................................................... 27
2.20. AT+QPOWD Power off ....................................................................................................... 29
2.21. AT+CMEE Report Mobile Equipment Error ........................................................................ 29
2.22. AT+CSCS Select TE Character Set ................................................................................... 30
2.23. AT+GCAP Request Complete TA Capabilities List ............................................................. 31
3 Serial Interface Control Commands ................................................................................................ 33
3.1. AT&C Set DCD Function Mode .......................................................................................... 33
3.2. AT&D Set DTR Function Mode ........................................................................................... 33
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3.3. AT+ICF Set TE-TA Control Character Framing .................................................................. 34
3.4. AT+IFC Set TE-TA Local Data Flow Control....................................................................... 35
3.5. AT+ILRR Set TE-TA Local Data Rate Reporting Mode ...................................................... 36
3.6. AT+IPR Set TE-TA Fixed Local Rate .................................................................................. 37
3.6.1. Adaptive Baud Rate .................................................................................................... 38
3.7. AT+CMUX Multiplexer Control ............................................................................................ 40
3.8. AT+QEAUART Configure Dual UART Function ................................................................. 41
3.9. AT+QSEDCB Configure Parameters of the Dual UART .................................................... 42
4 Status Control Commands ............................................................................................................... 44
4.1. AT+CEER Extended Error Report ...................................................................................... 44
4.2. AT+CPAS Mobile Equipment Activity Status ...................................................................... 45
4.3. AT+QINDRI Indicate RI When Using URC ......................................................................... 46
4.4. AT+QMOSTAT Show State of Mobile Originated Call ........................................................ 47
4.5. AT+QREFUSECS Refuse to Receive SMS/Incoming Call or Not ..................................... 48
4.6. AT+QIURC Enable or Disable Initial URC Presentation .................................................... 48
4.7. AT+QEXTUNSOL Enable/Disable Proprietary Unsolicited Indications .............................. 49
4.8. AT+QINISTAT Query State of Initialization ......................................................................... 51
4.9. AT+QNSTATUS Query GSM Network Status ..................................................................... 51
4.10. AT+QNITZ Network Time Synchronization......................................................................... 52
4.11. AT+QLTS Obtain Latest Network Time Synchronized ....................................................... 53
4.12. AT+CTZU Network Time Synchronization and Update the RTC Time .............................. 54
4.13. AT+CTZR Network Time Synchronization Report .............................................................. 55
4.14. AT+QSIMDET Enable/Disable SIM Card Detection ........................................................... 55
4.15. AT+QSIMSTAT SIM Inserted Status Reporting .................................................................. 56
4.16. AT+QCGTIND Circuit Switched Call or GPRS PDP Context Termination Indication ........ 57
5 SIM Related Commands .................................................................................................................... 59
5.1. AT+CIMI Request International Mobile Subscriber Identity (IMSI) .................................... 59
5.2. AT+CLCK Facility Lock ....................................................................................................... 60
5.3. AT+CPIN Enter PIN ............................................................................................................ 62
5.4. AT+CPWD Change Password ............................................................................................ 63
5.5. AT+CRSM Restricted SIM Access ...................................................................................... 65
5.6. AT+CSIM Generic SIM Access ........................................................................................... 66
5.7. AT+QCSPWD Change PS Super Password ...................................................................... 66
5.8. AT+CCID Show CCID ......................................................................................................... 67
5.9. AT+QCCID Show CCID ...................................................................................................... 68
5.10. AT+QGID Get SIM Card Group Identifier ........................................................................... 68
5.11. AT+QSIMVOL Select SIM Card Operating Voltage............................................................ 69
5.12. AT+QSPN Get Service Provider Name from SIM .............................................................. 70
5.13. AT+QTRPIN Times Remained to Input SIM PIN/PUK ....................................................... 70
5.14. AT+QDSIM Dual SIM Switching ......................................................................................... 71
6 Network Service Commands ............................................................................................................ 72
6.1. AT+COPS Operator Selection ............................................................................................ 72
6.2. AT+CREG Network Registration ........................................................................................ 74
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