Its the same teams, the telephone was added a few years ago, Microsoft acquired skype for this and now is binning it. Its been around a while for business teams and calls are only free within teams, to call a landline you have to pay.
Thanks all, I have opened a wise account. I'm still a bit undecided on bank account though. I can't have a standard uk account because i wont have a uk postal address. So im guessing a uk based expat account is the way to go?