Correct. I've used T-Mo WiFi calling in numerous countries on three continents, and they are all treated as is you are in your 'home' country.
> That is my understanding. Wifi calling is treated as on-net "home" calling. > > Just a question on T-Mobile and wifi. If you are traveling to a roaming > > country > will wifi calls to #s back home be treated as non roaming calls? > > > > Tom > >