This is a known issue where your ringtone comes through your earpeice instead of the speaker. Making a call to voice mail, turn speakerphone on and off is a quick fix i believe. Search around....

 

I had this happen to me recently too. All of a sudden every call I answered I couild not hear the other side. They could hear me fine. The bizarre thing was that if I called the person back both sides were fine. The only way I was able to get rid of was to shut the phone off and restart

I was not listening to any music or anything before hand, it just happened... Maybe it decided that too many people were calling me that day !?!?!?

 

Bump.

Me too. any fix?

Scott