Specifications

Smart Machine Smart Decision
1 MT buffer of unsolicited result codes defined within this
command is flushed to the TE when <mode> 1 or 2
is entered.
Reference Note
7.2.10 AT+CGREG Network Registration Status
AT+CGREG Network Registration Status
Response
+CGREG: (list of supported <n>s)
OK
Test Command
AT+CGREG=?
Parameters
See Write Command
Response
+CGREG: <n>,<stat>[,<lac>,<ci>]
OK
If error is related to ME functionality:
+CME ERROR: <err>
Read Command
AT+CGREG?
Parameters
See Write Command
Response
OK
ERROR
Unsolicited Result Code
There is a change in the MT network registration status:
+CGREG: <stat>
There is a change in the MT network registration status or a change of the
network cell:
+CGREG: <stat>[,<lac>,<ci>]
Write Command
AT+CGREG=
[<n>]
Parameters
<n> 0 Disable network registration unsolicited result code
1 Enable network registration unsolicited result code
+CGREG: <stat>
2 Enable network registration and location information
SIM900_AT Commands Manual_V1.07 180 2012.12.10