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List of AT Commands for Nokia 22
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14.3.8 +CREG Network registration
Format description
+CREG: <stat>[,<lac>,<cid>] when +CREG=1: given when <stat> value changes; given after NO CARRIER if
network lost when on-line
when +CREG=2: given when <stat> value changes and when network cell
(<lac> and <cid>) of the ME changes; given after NO CARRIER if network lost
when on-line
The +CREG result code is enabled and disabled with the +CREG command.
Defined values
<stat>:
0 not registered, the ME is not currently searching for a new operator to register to
1 registered, home network
2 not registered, but ME is currently searching a new operator to register to
3 registration denied
4 unknown
5 registered, roaming
<lac> string type, two byte location area code in hexadecimal format (e.g. "00C3" equals
193 in decimal)
<ci> string type, two byte cell ID in hexadecimal format
14.3.9 +CUSD Network initiated unstructured supplementary service data
Format Description
+CUSD: <m>,<str>,<dcs> given when +CUSD=1 and network initiated ‘notify’ or ‘request’ USSD
message received; discarded if in the on-line data state
This result code is enabled and disabled with the +CUSD command.
NOTE: only the first ‘request’ message during a network initiated USSD session yields to the
+CUSD unsolicited result code. The rest are information responses of the +CUSD command.
Defined values
<m>:
0 no further user action required (network initiated USSD-Notify, or no further
information needed after mobile initiated operation)
1 further user action required (network initiated USSD-Request, or further information
needed after mobile initiated operation)