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How does wifi calling work
I thought I knew how Wifi calling worked. Not sure. I have an iPhone. If I enable Wifi Calling, the description says "Make and receive calls over Wifi with your AT&T account." When I'm in a coffee shop, will my calls be using their Wifi? When I'm at home will my calls be using my Comcast home network Wifi. Or is there some third option that it would be using data from my AT&T account? In other words, does it always use my selected network? Is there some situation where calls would incur charges other than my turning off Wifi to use AT&T cellular?