Functions
INSYS GSM small 2.0
11.3
Checking the Status of the GSM Login
The INSYS GSM small 2.0 logs in into the GSM network automatically with each
device restart. You can query the login status for test purposes. Then, you can de-
termine, whether the INSYS GSM small 2.0 is currently logged in or not, a network
search is currently performed, a login has been rejected by the GSM network, or
the device is logged in into a foreign network via roaming.
Configuration with HSComm
The Login state is indicated in text form in HSComm on the “Basic Set-
tings” tab in the “GSM Connection” panel under “PIN active”.
Configuration with AT commands
In order to request the Status of the GSM
login, use the command
AT+CREG?
The status is indicated in the response by the second figure following the
comma.
Response example
<+CREG: 0,3>
The following status responses are possible:
Not logged in, no GSM network search
0
Registered with the standard provider
1
Not logged in, INSYS GSM small 2.0
searches for GSM network
2
GSM network rejects a login
3
Registered with a foreign network via
roaming
5
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