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

Response

Re-issues the previous Command

Reference

V.25ter

Note

2.2.2 ATA ANSWER AN INCOMING CALL

ATA ANSWER AN INCOMING CALL