Digicom pocket GSM User Manual page 36

PocketGSM
AT+CRC Cellular Result Code
This command enables the report +CRING: <type>, instead of the traditional RING
message.
Command
AT+CRC=0
AT+CRC=1
AT+CRC?
Default: AT+CRC=0
AT+CREG GSM Network registration
This command enables the automatic report to any change of status during the modem
registration to the GSM network.
For further information on AT+CREG command, see the chapter "Functional Examples".
Command
AT+CREG=<n>
AT+CREG?
AT+CREG=?
Default: AT+CREG=0
<n> Report status
0 Report disabled
1 Report enabled with +CREG: <stat>
2 Report enabled with +CREG: <stat>,<lac>,<ci>
<stat> Registration status
0 Modem not registered, PocketGSM is not currently searching for a new operator
1 Modem registered with the same operator of the SIM card
2 Modem not registered, PocketGSM is searching for a new operator
3 Registration denied
4 Registered at an unknown network
5 Modem registered in roaming
Possible answers
OK
OK
+CRC: 0
Possible answers
OK
+CREG: <n>,<stat>,[<lac>,<ci>]
+CREG: (0-2)
4.16
AT Commands
Action
Report disabled
Report enabled
Shows current settings
Action
Report enabled or disabled
Shows the current registration status
of the GSM modem to the network
Shows the available settings