Hmm you see, I would be miffed over phone sex I think. It's a bit less abstract then porn.
I would think that if you need more than imagination/porn to satisfy yourself to you start talking to anon women and paying for the pleasure you are on a slippery slope to some kind of addiction. Maybe.
Plus I bet she markets herself as 'Angel, busty blonde with a usky voice' and really she's probably 'Maureen, 65, smokes 40 a day and is wearing a house coat and slippers'