At+Creg Network Registration - SimCom SIM7000 Series At Command Manual

3.2.14 AT+CREG Network Registration

AT+CREG Network Registration
Test Command Response
AT+CREG=? +CREG: (list of supported <n>s)
OK
Parameters
See Write Command
Read Command Response
AT+CREG? 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.
+CREG: <n>,<stat>[,<lac>,<ci>,<netact>]
OK
If error is related to ME functionality:
+CME ERROR: <err>
Write Command Response
TA controls the presentation of an unsolicited result code +CREG: <stat>
AT+CREG[=<n>
when <n>=1 and there is a change in the ME network registration status.
]
OK
Parameters
<n>
<lac>
<ci>
SIM7000 Series_AT Command Manual_V1.03
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(2 is only for 7000 series module
which support GPRS.)
CREG: <stat>[,<lac>,<ci>,<netact>]
<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 to register to
3 Registration denied
4 Unknown
5 Registered, roaming
String type (string should be included in quotation marks);
two byte location area code in hexadecimal format
String type (string should be included in quotation marks);
two byte cell ID in hexadecimal format
Smart Machine Smart Decision
49 2018-05-08