Jon, a lot of mobile phones are pay as you talk, now, so that might be a solution. Until recently, they didn't work here, because of the hills, but Jim's work one does now, so I can log on when he's on call.
I suppose I could find a cheaper way of doing it, but my reasoning is that, as an 18month ex-smoker, I am paying out a fraction of what I would have been spending on fags, and it doesn't affect my health! Hwyl, Bron.