Multi-Tech Systems MMCModem GPRS (MTMMC-G) - Manual (Page 161)

Chapter 15 – GPRS Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 161
GPRS Network Registration Status +CGREG
Description: The set command controls the presentation of an unsolicited result code +CGREG: when =1
and there is a change in the modem's GPRS network registration status, or code +CGREG:
[,,] when =2 and there is a change of the network cell.
The read command returns the status of result code presentation and an integer which shows
whether the network has currently indicated the registration of the modem. Location information
elements and are returned only when =2 and modem is registered in the network.
Values:
0 Disable network registration unsolicited result code
1 Enable network registration unsolicited result code +CGREG:
2 Enable network registration and location information unsolicited result code +CGREG:
[,,]
0 Not registered; the modem is not currently searching a new operator to which to register
1 Registered, home network
2 Not registered, but modem is currently searching a new operator to which to register
3 Registration denied
4 Unknown
5 Registered,
roaming
String type; two byte location area code in hexadecimal format
String type; two byte cell ID in hexadecimal format
Syntax: Command Syntax: AT+CGREG
Command Possible response(s)
AT+CGREG=[] +CGREG: stat>[,,]
OK
AT+CGREG? +CGREG: ,[,,]
OK
Note: +CME ERROR:
AT+CGREG=? +CGREG: (list of supported s)
OK