Originally Posted by
gfunkdave
Right. I'm saying that Verizon (I know) and AT&T (I think) and Sprint (I think) just take wifi calling from anywhere in the world out of your normal monthly call time allowance. I too could sit in a hotel lobby in Asia and make free wifi calls all day.
I can confirm that ATT WIFI calling works worldwide (I have iPhone 6s). Heck, I even received a spam call on the plane (purchased wifi) over ocean!!