The clever part is that most phones do have a microphone at the top nearby the earpiece. The stupid part is that that mic is for noise canceling the ambient noise. So the phone is hearing them, but the person at the other end of the line is getting a distorted and full of artifacts voice that is barely comprehensible.
Could be worse, they could speak into the part you stick to your ear
The clever part is that most phones do have a microphone at the top nearby the earpiece. The stupid part is that that mic is for noise canceling the ambient noise. So the phone is hearing them, but the person at the other end of the line is getting a distorted and full of artifacts voice that is barely comprehensible.