Alcatel 3L (2020)
Android 10.0
1 Find "Call forwarding"
Press the phone icon.
Press the menu icon.
Press Settings.
Press Calling accounts.
Press the required SIM.
Press Call forwarding.
2 Divert calls to voicemail
Press the required divert type.
If you divert missed calls, you need to select a delay for the divert. Press the drop down list next to "Delay" to select a delay for the divert.
Key in +447836121121 and press ENABLE.
+447836121121
3 Return to the home screen
Press the Home key to return to the home screen.