Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 17 12/24/2010
PROGRESS
ATZ RESET DEFAULT CONFIGURATION
AT& C SET DCD FUNCTION MODE
AT& D SET DTR FUNCTION MODE
AT& F FACTORY DEFINED CONFIGURATION
AT& V DISPLAY CURRENT CONFIGURATION
AT& W STORE ACTIVE PROFILE
AT+ GC AP REQUEST COMPLETE TA CAPABILITIES LIST
AT+ GM I REQUEST MANUFACTURER IDENTIFICATION
AT+GMM REQUEST TA MODEL IDENTIFICATION
AT+ GM R REQUEST TA REVISION IDENTIFICATION OF SOFTWARE
RELEASE
AT+GOI REQUEST GLOBAL OBJECT IDENTIFICATION
AT+ GS N REQUEST TA SERIAL NUMBER IDENTIFICATION (IMEI)
AT+ IC F SET TE-TA CONTROL CHARACTER FRAMING
AT+ IF C SET TE-TA LOCAL DATA FLOW CONTROL
AT+ IP R SET TE-TA FIXED LOCAL RATE
AT+HVOIC DISCONNECT VOICE CALL ONLY
2.2 Detailed Description of AT Commands According to V.25TER
2.2.1 A/ Re-issues the Last Command Given
A/ Re-issues the Last Command Given
Execution
Command
A/
Response
Re-issues the previous Command
Reference
V.25ter
Note
2.2.2 ATA ANSWER AN INCOMING CALL
ATA ANSWER AN INCOMING CALL