User guide

3GPP TS 27.007 AT CO
MMANDS
AT Commands for EV-DO-EV3 Modems
58
Notes
 CDMA operators are confidential and will not be listed. The module supports only the following result
codes:
 +COPN: HOME: If the ERI value is 1.
 +COPN: ROAMING: if the ERI value is any other value.
 Reference: 3GPP TS 27.007.
Network Registration Report +CREG
Set command enables or disables network registration reports depending on the parameter <mode>.
Read command reports the <mode> and <stat> parameter values in the format:
+CREG: <mode>,<stat>[,<SID>]
where:
<stat>
0 Not registered, ME is not currently searching a new operator to register to.
1 Registered, home network.
2 Reserved.
3 Registration denied.
4 Reserved.
5 Registered, roaming.
Note: <SID> is reported only if <mode>=2 and the mobile is registered on some network cell.
Test command returns the range of supported <mode>.
Syntax
Command Command type
AT+CREG=[<mode>]
Set
AT+CREG? Read
AT+CREG=? Test
Parameters and Values
<mode>
0 Disable network registration unsolicited result code. Default: 0.
1 Enable network registration unsolicited result code.
If <mode>=1, unsolicited network registration result code reports:
+CREG: <stat>
2 Enable network registration unsolicited result code with network cell identification
data.
If <
mode>=2, unsolicited network registration result code reports:
+CREG: <stat>[,<SID>]
where:
<SID> - system identification
Notes
 Reference: 3GPP TS 27.007.