Yes, eons ago when we had payphones, but, I can't recall what the conversations were. I don't even remember the last time I saw a public payphone.
We see the beautiful red phone boxes in the countryside. Some have been turned into internet. Some need to be there if you can't get a mobile signal and you have an emergency. There was an outcry when the phone company talked about removing them. The one I posted was on the Isle of Barra.
Very cool. It's a great idea. I believe at some of the camping sites, they do still offer some kind of emergency phones at various locations. There may be other phones out there, but, with everyone and their mother having a mobile, less likely to see one. That red booth/box is really nice.