I had a wonderful lunch with two friends today.
Two of us had our phones on the table, the other had his phone in his pocket.
"Face up" glanced at every call and text (he did not answer...that would have been rude), and the other two looked that direction, too, with each buzz of his phone. "Face down" and "In Pocket" knew their phones were transmitting calls, texts and emails to them during the meal, but did not look until they reached the parking lot after the meal. "Face Down" had his phone ring as lunch began, as he forgot to switch it to vibrate before lunch... but he fixed that after the interruption.
Maybe the best answer would be turned off and left behind at the office or in the car.
Have A Great Day.
PS - My phone was face down. But not sure that is the right answer.