Originally Posted by
IslesFan
Anyone have an idea how the iOS cellular continunity on either a MacBook or iPad would bill while using it out of the country? I'm able to make/receive calls without the actual iPhone being turned on.
Continuity (calls on other devices) calls on iOS are exactly the same as if you had made it from your iPhone with T-Mobile as per a senior engineering lead that I know pretty well. So if you’re on WiFi it’s billed as a WiFi call. If you’re on cellular it is billed as a cellular call.