Chapter 6 – Network Service Commands

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

+CREG: 0,1

 

Note: Disable network registration unsolicited result

OK

 

code.

Note: Command valid

 

 

 

 

AT+CREG=1

+CREG: 1,1

 

Note: Enable network registration unsolicited result

OK

 

code

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

+CREG: 2

 

searching for a base station.

 

Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C

47

Page 46 Page 48
Page 47
Image 47
Multi-Tech Systems CDMA Wireless Modem manual Network Registration & Roaming +CREG, Stat
Page 46 Page 48
Top Page Image Contents