Why need the APP?
Today, Many retail mobiles have a "Wifi Calling" function but not any menu entry to enable it, The APP can check the hidden function and enable it if can use.

⮞ No signal, no problem. You’re covered with Wi-Fi Calling (Vo-WiFi) from participating carriers.

Wifi Calling WiFi Voice Call is the app by which you can contact your friends who live in any corner of the world without any fees or charges.Wifi Calling Free Voice Calls is the app by which users can find Settings from where they can enable WIFI Calling feature which can do free voice calls over the internet using WiFi and without any cost of carrier charge like cost per minute.

☎️ Use this free wifi-calling - free voice (video) calls application for free calls with using Wi-Fi (internet connection).


What is WiFi calling?
Instead of using your carrier's network connection, you can make free voice calls via a Wi-Fi network.

All four major US carriers (T-Mobile, Sprint, AT&T and Verizon) provide built-in Wi-Fi calling. Republic Wireless and Google Project Fi provide Wifi calling on certain phones too. The former carries eight Android phones, while five phones (including the Google Pixel, Pixel XL and Nexus 6P) work on the latter. Republic Wireless gets support from Sprint's network if connection is unavailable, while Google uses T-Mobile, Sprint and US Cellular.!!
All of T-Mobile phones offer Wi-Fi calling built-in. As for Sprint, Wi-Fi calling is available on a number of iPhone models that run iOS 9.1 or higher. Several Android devices have the service as well, but you'll need to check through your phone's Settings menu to see if you have it.!!

*How to use the WIFI Calling?
1.Start the app and click "WIFI Calling Setting"
2.Click "WLAN calling"
3.Click "ENABLE" WLAN calling
4.Click "WLAN preferred"
5." WIFI Calling" is enabled!
6.Now you can enjoy unlimited free voice calls over the internet.

Disclaimer: This app will open Wifi Settings if your device has the Wifi Calling feature. We do not claim any call-over wifi with our app. Also, if your mobile carrier supports Call Wifi then this feature is useful for you.