Samsung Galaxy Note20 5G
It's not possible to receive voice calls
Solution 3 of 3: Divert of all calls is turned on
If you no longer wish to divert your calls, you need to cancel the diverts.
Press the phone icon.
Press the menu icon.
Press Settings.
Press Supplementary services.
Press Call forwarding below the required SIM.
Press Voice call.
Press the required divert type.
Press Disable.
Press the Home key to return to the home screen.