Why does my iPhone not make any noises?

My iPhone does not play sounds through the speaker when I get the call. I also can't hear people when speaking to them in a call and it does not play music through the headset. How can I fix this?

You may be on so not disturb or the mute switch on the side is turned on

Silence is best policy so use it like that only jesus will bless you

Probably accidentally hit the mute switch, its on the side and is on when you see red, just turn it off and turn the volume up

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