2018 Wifi calling no longer free to USA numbers?


    I used wifi calling from Japan to USA numbers, but I got charged for the calls as international roaming calls. I called T-Mo and the phone rep said Wifi calls are only free from one Tmo Wifi number to another TMo Wifi number.  Is that a new policy? Because in my experience wifi calls were free from wherever you are in the world to any USA number. For example, this old conversation: International Calls from US over WiFi

    So wanted to confirm that Wifi calls are only free now from one Tmo Wifi caller to another Tmo Wifi caller?

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