User manual

Wavecom GSM Modem
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4.8. Set phone functionality +CFUN
This command selects the level of functionality in the mobile station.
• When the application wants to stop the module for making a power off,
or if the application wants to force the module for executing a IMSI DETACH
procedure, then it has to send :
AT+CFUN=0
This command executes a IMSI DETACH and makes a backup of some
internal parameters in the SIM and the EEPROM.
If the mobile is not powered off after this command, it shall received
another command to re-start the whole GSM process.
If the mobile is turned off after this command, then the power on will
automatically execute the start of the whole GSM process.
• When the application wants to re-start the module (after having done a
AT+CFUN=0 command, and without having cut the power supply), it has to
send :
AT+CFUN=1,1
This command starts again all the GSM stack and GSM functionality.
Application to GSM AT+FUN? ask for current functionality
GSM to application +CFUN: "x"
OK
"x" as defined in the GSM TS 07 07
Application to GSM AT+CFUN=0 set minimum functionality
GSM to application OK command valid
Application to GSM AT+CFUN=1 set full functionality
GSM to application OK command valid
Application to GSM AT+CFUN=1,0 set full functionality without reset
GSM to application OK command valid
Application to GSM AT+CFUN=1,1 set full functionality with reset
GSM to application OK command valid