I have problems receiving voice calls on my Samsung Galaxy S23
If you have problems receiving voice calls, there may be several causes of the problem.

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If you have problems receiving voice calls, there may be several causes of the problem.
Press the call icon.
Press the menu icon.
Press Settings.
Press Supplementary services.
Press Call forwarding.
Press the required divert type.
Key in 901 and press Enable.
Press the Home key to return to the home screen.
Press the call icon.
Press the menu icon.
Press Settings.
Press Supplementary services.
Press Call forwarding.
Press the required divert type.
Press Disable.
Press the Home key to return to the home screen.
Press the Side key.
Simultaneously, press and hold the lower part of the Volume key and keep them both pressed until your phone restarts.