How does heat affect communication?

one example of how heat can affect communication is that if you're talking on the phone and you your heat of your face or your ears are too hot then it could cause electricity static between your body you can put in your body and the telephone if you have watch the show stranger things you can see that what happened to the mother of the missing boy was that she was has heat on her face from stress and sadness and so still it was electricity between her body and the phone that she rub the friction on what she was trying to hear her son