Siemens MC55 - Manual (Page 192)

MC55 AT Command Set
8.3 AT+CREG
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obile
MC55_ATC_V01.05 Page 192 of 469 2/10/04
Confidential / Released
- #6 ... Illegal ME
Either the SIM or the MS or the ME are unable to log into any network. User
intervention is required. Emer-gency calls can be made, if any network is
available.
• Only if manual network search is enabled:
Manual registration fails after Location Update Reject due to the following
causes:
- #2 ... IMSI unknown at HLR
- #3 ... Illegal MS
- #6 ... Illegal ME
- #11 ... PLMN not allowed
- #12 ... Location area not allowed
- #13 ... Roaming not allowed in this location area
No further attempt is made to search or log into a net-work. Emergency calls
can be made if any network is available.
4 Unknown
(not used)
5 Registered, roaming
The ME is registered at a foreign network (national or international network)
Two byte location area code in hexadecimal format (e.g. "00C3" equals 193 in decimal).
Two byte cell ID in hexadecimal format.
Note
• Optional parameters will not be displayed during a call.
Example
<lac>
(str)
<ci>
(str)
AT+CREG=2
Activates extended URC mode.
OK
AT+COPS=0
Forces ME to automatically search network operator
OK
+CREG: 2
URC reports that ME is currently searching.
+CREG: 1,"0145","291A"
URC reports that operator has been found.