No ring calls

Solution
Can you hear when you are on a call? If so, then the sounds are working for that. Try testing a call by listening to the other part on speaker phone. If those work as well, then the ringtone is either missing (if deleted it can go silent), turned down or muted.
Can you hear when you are on a call? If so, then the sounds are working for that. Try testing a call by listening to the other part on speaker phone. If those work as well, then the ringtone is either missing (if deleted it can go silent), turned down or muted.
 
Solution