MC55 AT Command Set
8.3 AT+CREG s
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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" equa ls 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.