Hello Guys , Airtel has a roll out Airtel WiFi Calling features to all it’s airtel prepaid and Post paid users .
This VoWiFi features is India’s first roll out by Airtel which makes Airtel more popular .
By using this feature you can call over WiFi using VOIP technology means if no airtel network in your place you still make call by using your home WiFi network .
Please Note down Airtel Wi-fi Calling is free and work on any Wi-Fi Network. So it is amazing news For every user .

It is very Cool and useful feature if you are living in metro cities like Delhi ,Mumbai ,Kolkata etc.
As You know in cities their are very congestive places and Mobile network can not reach on your phone that’s why no network in home and calling issue coccus but By using Airtel WiFi Calling feature without any extra hardware or software you can call using WiFi network .
Check Out Official Airtel Wi-Fi Guide Page Also.