Test command

Response syntax:

+CFUN: (list of supported <fun>s)

The response parameters and their defined values are the following:

<fun>

0 – Power off

1 – Normal mode

4 – Offline mode

44 – Offline mode without shutting down UICC

The following command example returns the supported functional modes.

AT+CFUN=?
+CFUN: (0,1,4,44)
OK