WiFi calling as a concept has existed for quite some time now. However, the situation is significantly different than it was a few years ago. Today, there are several services and apps for devices ...

RCS Universal Profile 4.0 is ready, introducing the prospect of video calls and richer messaging features for apps like ...

iPhone and Android users might be able to make interoperable video calls through their messaging apps — eventually. Last week ...

Fring lets you make free voice or video calls from your mobile phone to other Fring users. The app also lets you purchase fringOut credits to make cheap calls to international phone numbers. But there ...