SIM5300E AT Command Manual V1.02
3.2.28 AT+CREG Network Registration
AT+CREG Network Registration
Test Command
AT+CREG=?
Response
+CREG: (list of supported <n>s)
OK
Read Command
AT+CREG?
Response
TA returns the status of result code presentation and an integer <stat> which
shows whether the network has currently indicated the registration of the
ME. Location information elements <lac> and <ci> are returned only when
<n>=2 and ME is registered in the network.
The last parameter<AcT> is controlled by “AT+CSACT”
+CREG: <n>,<stat>[,<lac>,<ci>[,<AcT>]]
OK
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CREG=[<n>]
Response
TA controls the presentation of an unsolicited result code +CREG: <stat>
when <n>=1 and there is a change in the ME network registration status.
OK
Unsolicited Result Code
If <n>=1 and there is a change in the MT network registration status
+CREG: <stat>
If <n>=2 and there is a change in the MT network registration status or a
change of the network cell:
+CREG: <stat>[, <lac>,<ci>[,<AcT>]]
Parameters <n>
0 Disable network registration unsolicited result code
1
Enable network registration unsolicited result code+CREG:
<stat>
2 Enable network registration unsolicited result code with
location information +CREG: <stat>[,<lac>,<ci>]
<stat>
0 Not registered, MT is not currently searching a new operator
to register to
1 Registered, home network
2 Not registered, but MT is currently searching a new operator