What phone do you have?
moto e 1st gen
What plan are you on?
WiFi and Cell Talk and Text (Moto E) (1st Gen.)
Does your plan include data, or just talk & text?
I like to use speaker in calls because of EMF and because I cannot hear anything without it, and recently I have been experiencing the speaker oscillating between off and on by itself, so this basically means i cannot have a conversation. I have not tried anything because dont know of anything to try. Sounds like a hardware issue to me.