In a casino cardroom I once forgot to pick up my phone while I walked to a self-serve coffee station at least 30 yards away (with no walls in-between). There w

In a casino cardroom I once forgot to pick up my phone while I walked to a self-serve coffee station at least 30 yards away (with no walls in-between). There was no disruption in the audio. In fact it didn't occur to me until I got back and saw my phone on the table that anything had even happened.