Rainbow Electronics FARGO MAESTRO 100 (with TCP_IP) - Manual (Page 201)

GSM Network Commands
Network Registration +CREG
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WM_DEV_OAT_UGD_049 - 001 VOLUME 2 August 23, 2007
11.2.5 Examples
Command Responses
AT+CREG? +CREG: ,
OK
AT+CREG=0
Note: Disable network registration unsolicited result
code
OK
Note: Command valid
AT+CREG=1
Note: Enable network registration
OK
Note: Command valid
AT+CREG=2
Note: Enable network registration unsolicited result
code registration
OK
Note: Command valid
AT+CREG=? +CREG: (0-2)
OK
Note: 0,1,2 values are supported
AT+CREG?
Note: Get the CREG status
+CREG: 2,1,"0006","7D9A"
OK
Note: The Wireless CPU ® is registered on the home
network with the lac=0006 and the cell ID = 7D9A
+CREG: 3
Note: The network indicates that the registration is
denied
AT+WBHV=5,1
Note: Activate the mode to have the cause of the
nework reject
OK
AT+CREG?
Note: Get the CREG status
+CREG: 2,1,"0006","7D9A"
OK
Note: The Wireless CPU ® is registered on the home
network with the lac=0006 and the cell ID = 7D9A
+CREG: 3,1
Note: The network indicates that the registration is
denied for an Illegal ME reason.