Multi-Tech Systems CDMA Wireless Modem - Manual (Page 47)

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:
0: Disable network registration unsolicited result code (default)
1: Enable network registration unsolicited code result code +CREG:
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=
Response syntax: +CREG: ,
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 values are supported
Note: Example of the unsolicited result code. MS is
searching for a base station. +CREG: 2