Xiaomi Redmi Note 11
Android 11.0
1 Find "Call-forwarding settings"
Press the phone icon.
Press the menu icon.
Press Settings.
Press Calling accounts.
Press Call-forwarding settings.
2 Divert calls to voicemail
Press the required SIM.
Press the required divert type.
Key in +447836121121 and press Turn on.
+447836121121
3 Return to the home screen
Press the Home key to return to the home screen.