PocketGSM
AT Commands
4.16
AT+CRC
Cellular Result Code
This command enables the CRING: <type>, instead of the traditional RING
message.
Command
Possible answers
Action
AT+CRC=0
OK
Report disabled
AT+CRC=1
OK
Report enabled
AT+CRC?
+CRC: 0
Shows current settings
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
Possible answers
Action
AT+CREG=<n>
OK
Report enabled or disabled
AT+CREG?
+CREG: <n>,<stat>,[<lac>,<ci>]
Shows the current registration status
of the GSM modem to the network
AT+CREG=?
+CREG: (0-2)
Shows the available settings
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
