How to use Wi-Fi calling on your phone (and the ideal time to switch from LTE)

How to use Wi-Fi calling on your phone (and the ideal time to switch from LTE) ...
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WiFi calling: Make calls even without a network! Learn what WiFi calling is and how it works.

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.

Flow launches voice over Wi-Fi calling to customers nationwide

Telecoms provider Flow has announced that a substantial portion of its customer base can now access voice over Wi-Fi (VoWiFi) ...
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Smartphone Tips: This amazing feature will be useful for calling where the mobile network fails..

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 ...