A complementary technology to VoLTE, VoWiFi uses IMS technology to provide a packet voice service delivered over IP via a ...

Most of us spend time in at least a few places where our phones just don’t work, whether it’s a room or two at home or at work, a favorite coffee shop, or some other signal-lacking location. That’s ...

O2 has today launched a new app that allows its customers to take their phone number onto multiple devices to make calls and texts - and we've tried it out. Using similar Voice over IP technology as ...

Editorial Note: Forbes Advisor may earn a commission on sales made from partner links on this page, but that doesn't affect our editors' opinions or evaluations. Years ago, virtual communication tools ...

Wondering how to use Wi-Fi calling? Wi-Fi Calling is a feature on the iPhone that enables users experiencing reception problems to have a stronger call connection over broadband via Wi-Fi. The ...