Siemens MC55 - Manual (Page 190)

MC55 AT Command Set
8.3 AT+CREG
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MC55_ATC_V01.05 Page 190 of 469 2/10/04
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8.3 AT+CREG Network registration
Syntax
Unsolicited Result Codes
URC 1
If =1 and there is a change in the ME network registration status:
+CREG:
URC 2
If =2 and there is a change in the ME network registration status or a change of the network cell:
+CREG: [, , ]
Test Command
AT+CREG=?
Response(s)
+CREG:
(list of supported s)
OK
Read Command
AT+CREG?
Response(s)
+CREG:
, [, , ]
OK
ERROR
+CME ERROR:
Write Command
AT+CREG=
[ ]
Response(s)
OK
ERROR
+CME ERROR:
PIN ASC0 ASC1 MUX1 MUX2 MUX3
! % % % % %
Reference(s)
GSM 07.07