O2 has today switched on Wifi and 4G Calling, giving our customers yet another way to stay connected with O2. The launch of Wifi Calling gives our customers the option of making and receiving calls ...

「Wi-Fi Calling」とは、Wi-Fiを使って通話やSMSの送受信をする機能です。携帯電話の電波が届かなくても、Wi-Fiで接続できれば、普段使っている電話番号を使って通話の発信・着信ができ、SMSもリアルタイムに送受信できます。携帯電話のエリアを、Wi-Fiの電波に ...

In today’s digital world, communication is no longer limited to mobile networks. With the rise of internet-based technologies, calling has become smarter and more reliable—even in areas with weak or ...

Wi-Fi calling can be a real lifesaver in areas with poor cell reception. Follow these steps to turn on Wi-Fi calling on iPhone and Android devices. Cell phone carriers started offering Wi-Fi calling ...