Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 19 2012.12.10
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
Execution
Command
ATA
Response
TA sends off-hook to the remote station.
Note1: Any additional commands on the same Command line are ignored.
Note2: This Command may be aborted generally by receiving a character
during execution. The aborting is not possible during some states of
connection establishment such as handshaking.
Response in case of data call, if successfully connected
CONNECT<text> TA switches to data mode.