Wi-Fi calling is available on the iPhone 5c (2013) and later. But it must also be supported by your carrier. Apple lists wireless carriers and the features they support here. You can also set up ...

If your iPhone has Dual SIM, choose a line (below SIMs). Tap Wi-Fi Calling, then turn on Wi-Fi Calling on This iPhone. How to turn on Wi-Fi calling on Android, Samsung Galaxy devices Android users ...

You can use Wi-Fi calling on your Android or iPhone to make calls using Wi-Fi rather than your cellular network. Wi-Fi calling is useful in cell service dead zones or buildings with spotty service.

Wi-Fi Calling is a feature that lets an iPhone effectively re-route mobile calls over the Wi-Fi network to which you’re connected—if it has the right qualities instead of using the cellular ...

SAN JOSE, Calif. - Apple Inc. is allowing iPhone owners to use Internet calling services over cellular networks. Several companies offering Voice over Internet Protocol -- or VoIP -- services said ...