i have three lines that i ported from ATT. In all fairness i think that i was having issues with wifi calling on ATT as well and this was an expensive unlimited plan. With the Xfinity Mobile, things are worse but it is much cheaper. I have better luck just staying on the cell signal and keeping wi-fi calling off despite the signal from the two nearest cell towers being abysmal. Better yet i am thinking of making google voice my primary number and using the xfinity as my backup. Sigh! if only wifi calling worked.
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