@Gouneesz There was a group of Sailfish users that wanted to integrate Personal Ringtone into SFOS. But apparently the iniative vanished 
Look at 7h33. Maybe you could contact the guys and bring forward the project 
https://irclogs.sailfishos.org/meetings/sailfishos-meeting/2021/sailfishos-meeting.2021-08-05-07.00.log.html