I got the iPhone 8 Plus from Xfinity Mobile and a new number, and WiFi calling works on this phone.
But it doesn't work on two other phones that were ported over from Verizon. One phone from Verizon, its number was ported over to iPhone 8 that I bought from Xfinity Mobile, and WiFi calling does not work on that phone. Another phone is iPhone 6S Plus, its number was ported from Verizon, the Wifi Calling doesn't work. I get cannot verify the address error.
I called tech support, they sent me a new SIM card. It still doesn't work. I went to a local store. They don't know anything. They called support and could not fix it either. They said they escaled it to a level two support, but I doubt I will hear back from them.
The fact that WiFi Calling does work on the new number, but doesn't work on numbers that were ported over from Verizon, makes me thing that maybe that is the issue, because WiFi calling was enabled on those iPhones on Verizon. So maybe it is still listed in thier database and it creates the conflict and this "cannot verify address" error.
Does Xfinity Mobile have a qualify person that knows how to fix this? Please let me know.
P.S. I don't know if this has anything to do with the WiFi calling issue, but on Xfinity Mobile iPhone app, when they ported 3 phones from Verizon, the iPhone 6s Plus phone was listed twice with an exactly the same number. Then, when I changed the SIM card on that phone and replaced it with a new one that I got from support, a second iPhone, which is iPhone 7 Plus, got listed twice with exactly the same number. When I login on the website, not on a mobile app, all phones are listed correctly, there are no dubplicate entries.
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