T-Mobile has confirmed that iPhones on their network will be able to take advantage of the Wi-Fi calling feature that the US carrier has offered since 2007. Among all of the big announcements today about iOS 8 at WWDC 2014, Apple also had their customary slide of "all the rest" of the many other features small-medium-and-arguably-kind-of-large that they didn't have time to mention in the marathon two-hour event. Among them was Wi-Fi calling.
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