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8.4
AT+CREG Network registration
The
command serves to verify the network registration status of the ME. For this purpose two types of
AT+CREG
URCs are available.
The
read command returns the URC presentation mode
AT+CREG
registration status of the ME. The location information elements
and ME is registered to the network.
Syntax
Test Command
AT+CREG=?
Response(s)
+CREG: (list of supported<n>s)
OK
Read Command
AT+CREG?
Response(s)
+CREG: <n>, <stat>[, <lac>, <ci>]
OK
ERROR
+CME ERROR: <err>
Write Command
AT+CREG=[<n>]
Response(s)
OK
ERROR
+CME ERROR: <err>
Reference(s)
GSM 07.07
Unsolicited Result Codes
URC 1
If <n>=1 and there is a change in the ME network registration status:
+CREG:
<stat>
URC 2
If <n>=2 and there is a change in the ME network registration status or a change of the network cell:
+CREG: <stat>[, <lac>, <ci>]
Parameter Description
(num)(&W)(&V)
<n>
(&F)
[0]
1
2
MC55_ATC_V04.00
Confidential / Released
PIN
!
Disable +CREG URC
Enable URC
+CREG:<stat>
Enable URC +CREG:<stat>[,<lac>,<ci>] to report status of network regis-
tration including location information. Optional parameters
will not be displayed during calls or if these values have not changed since last
read command or since last indication by +CREG URC.
AT+CREG
Page 168 of 475
and an integer
<n>
and
are returned only when <n>=2
<lac>
<ci>
ASC0 ASC1
MUX1
MUX2
%
%
%
%
to report status of network registration
that shows the
<stat>
MUX3 Charge
Last
%
!
!
!
and
<lac>
<ci>
3/17/06
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