You can still make and receive audio and video calls without a cellular connection. Here's how to do it on your Android or iPhone.

Telecoms provider Flow has announced that a substantial portion of its customer base can now access voice over Wi-Fi (VoWiFi) ...

What is WiFi Calling and How It Works: Sometimes, due to weak mobile network signals, call drops or poor call quality can occur. In such situations, WiFi Calling proves to be a very useful feature.

It's often seen that the mobile network suddenly goes out, making even important calls difficult. However, recently, some features have been added to smartphones that allow you to make calls even ...