Specifications

AT command set for S45 Siemens mobile phones and modems
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Siemens Document No.: A30880-A10-A001-3-D376
Revision: 1.8
Revision Date: 30. November.2001
33
2.3.3.15 AT+CREG
AT+CREG Network registration
Test command
AT+CREG=?
Response
+CREG: (list of supported <n>s)
OK/ERROR/+CME ERROR
Parameter
<n>
0
Suppresses the unexpected network status messages
1
Displays the unexpected network status messages
2
Enables unexpected network registration and location
information messages
OK/ERROR/+CME ERROR
Read command
AT+CREG?
Response
+CREG: <n>,<stat>[,<lac>,<ci>]
OK/ERROR/+CME ERROR
Parameter
<n>
See Test command
<stat> 0
Not checked in, not seeking
1
Checked in
2
Not checked in, but seeking a network
3
Check-in denied by network
4
Unknown
5
Registered, roaming
<lac>
Hexadecimal 2-byte string type of location area code
<ci>
Hexadecimal 2-byte string type of cell ID
Write command
AT+CREG=<n>
Response
OK/ERROR/+CME ERROR
Parameter
<n>
See Test command
Unsolicited message
+CREG: <stat>