American carrier AT&T has finally rolled out its native Wi-Fi calling feature on certain smartphones, after the Federal Communications Commission granted the wireless carrier’s waiver request for the feature.
The AT&T the Apple iPhone 6S and 6S Plus, as well as those with last year’s models, the iPhone 6 and 6 Plus owners can make and receive calls using a Wi-Fi network as long as the handsets are also running Apple’s latest mobile operating system, iOS 9.
Wi-Fi calling can be useful whenever users find themselves in an area with weak or no carrier coverage.
By using a local Wi-Fi network, such as the one set up at your house or available in a public space like a cafe or library, you can still make calls without a cellular connection.
