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HOMEOPEN AT COMMANDS
Wavecom and Siemen module base GSM Modem are both follow the OPEN standard AT Commands.
Sample of AT Commands:
To send an SMS:
AT+CMGS="+60162721357"
To send the same text message:
AT+CMGW="91234567"
To delete text message:
AT+CMGD=3
To send USSD command:
AT+CUSD=1,"*122#"
To check if SIM card present and require pin number:
AT+CPIN?
To check if modem has registered to network:
AT+CREG?
To quiry the network name:
AT+COPS=3,0,+COPS?
To delete SMS stored in the memonry location x:
AT+CMGD=x
To list SMS that has being read:
AT+CMGL="REC READ"
To check the signal strength, max is 31:
AT+CSQ
To set the storage as SIM storage:
AT+CPMS="SM"
To delete ALL SMS stored in SIM (SM):
AT+CMGD=1,4
To read the firmware version of the modem:
AT+CMGR
To read the IMEI number of the modem:
AT+CGSN
For more AT Commands, pls refer to documentation of Wavecom or Siemens GSM Modem Guide.
