No body recieving my calls can hear ...

I can make and receive calls just fine... I can hear the other party just fine. But the other party can not hear a thing from me. I tested it my self by having a friend call me from my iphone from the other room. All I hear is a faint static. It just quit working a week ago mid call. I also cant make voice memos. I can still make calls and memos with my headset so im assuming its the mic. Ive done the master reset and still nothing. Has anyone else had this problem? Any quick fix rather than sending it in? I appreciate any input.

Thanks

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