Manual

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 143 2015-08-03
6 AT Commands Special for SIMCom
6.1 Overview
Command Description
AT+SIDET Change the side tone gain level
AT+CPOWD Power off
AT+SPIC Times remained to input SIM PIN/PUK
AT+CMIC Change the microphone gain level
AT+CALA Set alarm time
AT+CALD Delete alarm
AT+CADC Read ADC
AT+CSNS Single numbering scheme
AT+CDSCB Reset cell broadcast
AT+CMOD Configure alternating mode calls
AT+CFGRI Indicate RI when using URC
AT+CLT S Get local timestamp
AT+CLDTMF Local DTMF tone generation
AT+CDRIND CS voice/data call termination indication
AT+CSPN Get service provider name from SIM
AT+CCVM Get and set the voice mail number on the SIM
AT+CBAND Get and set mobile operation band
AT+CHF Configure hands free operation
AT+CHFA Swap the audio channels
AT+CSCLK Configure slow clock
AT+CENG Switch on or off engineering mode
AT+SCLAS S0 Store class 0 SMS to SIM when received class 0 SMS
AT+CCID Show ICCID
AT+CMTE Set critical temperature operating mode or query temperature
AT+CMGDA Delete all SMS
AT+STTONE Play SIM toolkit tone
AT+SIMTONE Generate specific tone
AT+CCPD Enable or disable alpha string
AT+CGID Get SIM card group identifier
AT+MORING Show state of mobile originated call
AT+CMGHEX Enable or disable sending non-ascii character SMS
AT+CCODE Configure SMS code mode
AT+CIURC Enable or disable initial URC presentation