T-Mobile today said that, with the arrival of iOS 8, its iPhone subscribers will have access to Wi-Fi calling. T-Mobile has offered other smartphone platforms Wi-Fi calling for years as an alternative for making voice calls in poor cellular coverage areas. Apple introduced iOS 8 earlier today and one of the many new features is support for voice calls over Wi-Fi. iOS 8 won't be available to most people until the fall, but Wi-Fi calling will be available to T-Mobile's iPhone customers as soon as the new operating system from Apple arrives.


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