GSM AT Commands
 
 
Functional Groups

1. Call Control

ATA   Answer Command
ATD   Dial Command
ATH   Hang Up Call
ATL   Monitor Speaker Loudness
ATM   Monitor Speaker Mode
ATO   Go On-Line
ATP   Set Pulse Dial as Default
ATT   Set Tone Dial as Default
AT+CSTA    Select Type of Address
AT+CRC   Cellular Result Codes
 
 
 

2. Data Card Control Commands

ATI   Identification
ATS   Select an S-register
ATZ   Recall Stored Profile
AT&F   Restore Factory Settings
AT&V   View Active Configuration
AT&W   Store Parameters in Given Profile
AT&Y   Select Set as s Powerup Option
AT+CLCK   Facility Lock Command
AT+COLP   Connected Line Identification Presentation
AT+GCAP   Request Complete Capabilities List
AT+GMI   Request Manufacturer Identification
AT+GMM   Request Model Identification
AT+GMR   Request Revision Identification
AT+GSN   Request Product Serial Number Identification
 

3. Phone Control Commands

AT+CBC   Battery Charge
AT+CGMI   Request Manufacturer Identification
AT+CGMM   Request Model Identification
AT+CGMR   Request Revision Identification
AT+CGSN   Request Product Serial Number Identification
AT+CMEE   Report Mobile Equipment Error
AT+CPAS   Phone Activity Status
AT+CPBF   Find Phone Book Entries

AT+CPBR   Read Phone Book Entry
AT+CPBS   Select Phone Book Memory Storage
AT+CPBW   Write Phone Book Entry
AT+CSCS   Select TE Character Set
AT+CSQ   Signal Quality
 

4. Computer Data Card Interface Commands

ATE   Command Echo
ATQ   Result Code Suppression
ATV   Define Response Format
ATX   Response Range Selection
AT&C   Define DCD Usage
AT&D   Define DTR Usage
AT&K   Select Flow Control
AT&Q   Define Communications Mode Option
AT&S   Define DSR Option
AT+ICF   DTE-DCE Character Framing
AT+IFC   DTE-DCE Local Flow Control
AT+IPR   Fixed DTE Rate
 

5. Reporting Options Commands
AT+CLIP   Calling Line Identification Presentation
AT+CR   Service Reporting Control
AT+DR   Data Compression Reporting
AT+ILRR   DTE-DCE Local Rate Reporting
 

6. Network Communication Parameter Commands

ATB   Communications Standard Option
AT+CBST   Select Bearer Service Type
AT+CEER   Extended Error Report
AT+CRLP   Radio Link Protocol
AT+DS   Data Compression
 

7. Miscellaneous Commands

A/   Re-Execute Command Line
AT?   Command Help
AT*C   Start SMS Interpreter
AT*T   Enter SMS Block Mode Protocol
AT*V   Activate V.25bis Mode
AT*NOKIATEST   Test Command
AT+CESP   Enter SMS Block Mode Protocol
 

8. SMS Commands SMS Text Mode

AT+CSMS   Select Message Service
AT+CPMS   Preferred Message Storage
AT+CMGF   Message Format
AT+CSCA   Service Centre Address
AT+CSMP   Set Text Mode Parameters
AT+CSDH   Show Text Mode Parameters
AT+CSCB   Select Cell Broadcast Message Types
AT+CSAS   Save Settings
AT+CRES   Restore Settings
AT+CNMI   New Message Indications to TE
AT+CMGL   List Messages
AT+CMGR   Read Message
AT+CMGS   Send Message
AT+CMSS   Send Message from Storage
AT+CMGW   Write Message to Memory
AT+CMGD   Delete Message

SMS PDU Mode

AT+CMGL   List Messages
AT+CMGR   Read Message
AT+CMGS   Send Message
AT+CMGW   Write Message to Memory
 


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