am interested in one thing. when someone calling from facetime or sending messages other devices also see it when someone calling it calling also onanother device and same problem with messages can you help to fix it

I am interested in one thing. when someone is calling me from facetime or sending me messages other devices also see it when someone is calling me it is calling also onanother device and the same problem is with messages can you help me to fix it?and if it is possible to become imessages visible only for me and when someone is calling me with facetime it called me and not to other devices