About the Document
Contents
Table Index
1 Introduction
1.1. Scope of the Document
1.2. AT Command Syntax
1.3. Supported Character Sets
1.4. AT Command Interface
1.5. Unsolicited Result Code
1.6. Turn off Procedure
2 General Commands
2.1. ATI Display Product Identification Information
2.2. AT+GMI Request Manufacturer Identification
2.3. AT+GMM Request TA Model Identification
2.4. AT+GMR Request TA Revision Identification of Software Release
2.5. AT+CGMI Request Manufacturer Identification
2.6. AT+CGMM Request Model Identification
2.7. AT+CGMR Request TA Revision Identification of Software Release
2.8. AT+GSN Request International Mobile Equipment Identity (IMEI)
2.9. AT+CGSN Request Product Serial Number Identification
2.10. AT&F Set all Current Parameters to Manufacturer Defaults
2.11. AT&V Display Current Configuration
2.12. AT&W Store Current Parameters to User Defined Profile
2.13. ATZ Set all Current Parameters to User Defined Profile
2.14. ATQ Set Result Code Presentation Mode
2.15. ATV TA Response Format
2.16. ATE Set Command Echo Mode
2.17. A/ Repeat Previous Command Line
2.18. ATS3 Set Command Line Termination Character
2.19. ATS4 Set Response Formatting Character
2.20. ATS5 Set Command Line Editing Character
2.21. ATX Set CONNECT Result Code Format and Monitor Call Progress
2.22. AT+CFUN Set Phone Functionality
2.23. AT+CMEE Error Message Format
2.24. AT+CSCS Select TE Character Set
2.25. AT+QURCCFG Configure URC Indication Option
3 Serial Interface Control Commands
3.1. AT&C Set DCD Function Mode
3.2. AT&D Set DTR Function Mode
3.3. AT+IFC Set TE-TA Local Data Flow Control
3.4. AT+IPR Set TE-TA Fixed Local Rate
4 Status Control Commands
4.1. AT+CPAS Query Mobile Activity Status
4.2. AT+CEER Report Extended Error
4.3. AT+QCFG Configure Extended Settings
4.3.1. AT+QCFG="gprsattach" Configure GPRS Attach Mode
4.3.2. AT+QCFG="nwscanmode" Configure Network Search Mode
4.3.3. AT+QCFG="nwscanseq" Configure Network Searching Sequence
4.3.4. AT+QCFG="roamservice" Configure Roam Service
4.3.5. AT+QCFG="servicedomain" Configure Service Domain
4.3.6. AT+QCFG="band" Configure Band
4.3.7. AT+QCFG="urc/ri/other" Specify RI Behavior When Other URCs are Presented
4.3.8. AT+QCFG="urcdelay" Set Delay Time Of URC Indication
4.3.9. AT+QCFG="urc/cache" Enable/Disable URC Cache Function
4.4. AT+QINDCFG Control URC Indication
5 (U)SIM Related Commands
5.1. AT+CIMI Request International Mobile Subscriber Identity (IMSI)
5.2. AT+CLCK Facility Lock
5.3. AT+CPIN Enter PIN
5.4. AT+CPWD Change Password
5.5. AT+CSIM Generic (U)SIM Access
5.6. AT+CRSM Restricted (U)SIM Access
5.7. AT+QCCID Show ICCID
5.8. AT+QPINC Display PIN Remainder Counter
5.9. AT+QINISTAT Query Initialization Status of (U)SIM Card
5.10. AT+QSIMDET (U)SIM Card Detection
5.11. AT+QSIMSTAT (U)SIM Card Insertion Status Report
6 Network Service Commands
6.1. AT+COPS Operator Selection
6.2. AT+CREG Network Registration Status
6.3. AT+CSQ Signal Quality Report
6.4. AT+CPOL Preferred Operator List
6.5. AT+COPN Read Operator Names
6.6. AT+CTZU Automatic Time Zone Update
6.7. AT+CTZR Time Zone Reporting
6.8. AT+QLTS Obtain the Latest Time Synchronized Through Network
6.9. AT+QNWINFO Query Network Information
7 Phonebook Commands
7.1. AT+CNUM Subscriber Number
7.2. AT+CPBF Find Phonebook Entries
7.3. AT+CPBR Read Phonebook Entries
7.4. AT+CPBS Select Phonebook Memory Storage
7.5. AT+CPBW Write Phonebook Entry
8 Short Message Service Commands
8.1. AT+CSMS Select Message Service
8.2. AT+CMGF Message Format
8.3. AT+CSCA Service Center Address
8.4. AT+CPMS Preferred Message Storage
8.5. AT+CMGD Delete Message
8.6. AT+CMGL List Messages
8.7. AT+CMGR Read Message
8.8. AT+CMGS Send Message
8.9. AT+CMMS Send More Messages
8.10. AT+CMGW Write Message to Memory
8.11. AT+CMSS Send Message from Storage
8.12. AT+CNMA New Message Acknowledgement to UE/TE
8.13. AT+CNMI SMS Event Reporting Configuration
8.14. AT+CSCB Select Cell Broadcast Message Types
8.15. AT+CSDH Show SMS Text Mode Parameters
8.16. AT+CSMP Set SMS Text Mode Parameters
8.17. AT+QCMGS Send Concatenated Messages
8.18. AT+QCMGR Read Concatenated Messages
9 Packet Domain Commands
9.1. AT+CGATT Attachment or Detachment of PS
9.2. AT+CGDCONT Define PDP Context
9.3. AT+CGQREQ Quality of Service Profile (Requested)
9.4. AT+CGQMIN Quality of Service Profile (Minimum Acceptable)
9.5. AT+CGEQREQ 3G Quality of Service Profile (Requested)
9.6. AT+CGEQMIN 3G Quality of Service Profile (Minimum Acceptable)
9.7. AT+CGACT Activate or Deactivate PDP Context
9.8. AT+CGDATA Enter Data State
9.9. AT+CGPADDR Show PDP Address
9.10. AT+CGCLASS GPRS Mobile Station Class
9.11. AT+CGREG Network Registration Status
9.12. AT+CGEREP Packet Domain Event Reporting
9.13. AT+CGSMS Select Service for MO SMS Messages
9.14. AT+CEREG EPS Network Registration Status
9.15. AT+QGDCNT Packet Data Counter
9.16. AT+QAUGDCNT Auto Save Packet Data Counter
10 Hardware Related Commands
10.1. AT+QPOWD Power off
10.2. AT+CCLK Clock
10.3. AT+QSCLK Enable/Disable Entering into Sleep Mode
11 Appendixes
11.1. References
11.2. Factory Default Settings Restorable with AT&F
11.3. AT Command Settings Storable with AT&W
11.4. AT Command Settings Storable with ATZ
11.5. Summary of CME ERROR Codes
11.6. Summary of CMS ERROR Codes
11.7. Summary of URC
11.8. SMS Character Sets Conversions
11.9. Release Cause Text List of AT+CEER