I remember being on a crowded commuter train coming out of London to Bristol maybe 20+ years ago. There were definitely not so many mobiles around at the time.
One bloke received a call, this was around 7:30pm, the poor bloke then had to say goodnight to all his kids in succession. The entire carrige was silent and we listened as he told each of his kids he loved them and to sleep well. To me it was heart wretching stuff, but obviously a decision he and his DP had made.
I suppose you could argue that at least he spoke to them, but on a train! As I mentioned, this was a long time ago, and maybe quite common nowadays.