Does the sound of phone buttons that is emitted when they are pressed, or when redialing and it becomes a successive, musical pattern, fall under prohibited music?

Singing and music are forbidden. Sounds produced by pressing phone buttons are often not considered forbidden music because they are not melodious and are not intended for entertainment. Scholars have stated that sounds emanating from inanimate objects, if they are not melodious or entertaining, are not forbidden to listen to. As for what takes the form of music, it is not permissible to listen to it. There is a difference between hearing (sima‘) and listening (istima‘).