Chapter 6 – Network Service Commands
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 47
Network Registration & Roaming +CREG
Description: This command is used by the application to ascertain the registration and roaming status of
the product.
Note: Also see +WROM unsolicited command for CDMA roaming status.
Values: <mode>
0: Disable network registration unsolicited result code (default)
1: Enable network registration unsolicited code result code +CREG: <stat>
<stat>
0: not registered, MS is not currently searching for a new operator.
1: registered, home network.
2: not registered, MS currently searching for a base station.
4: unknown.
5: registered, roaming
Syntax: Command syntax: AT+CREG= <mode>
Response syntax: +CREG: <mode>, <stat>
Command Possible Responses
AT+CREG=0
Note: Disable network registration unsolicited result
code.
+CREG: 0,1
OK
Note: Command valid
AT+CREG=1
Note: Enable network registration unsolicited result
code
+CREG: 1,1
OK
Note: Command valid
AT+CREG? +CREG: 1,5
OK
Note: Unsolicited enabled, MS currently roaming.
AT+CREG=? +CREG: (0-1)
OK
Note: 0,1 <mode> values are supported
Note: Example of the unsolicited result code. MS is
searching for a base station.
+CREG: 2