Wi-Fi Calling :-
Wi-Fi Calling means to call with the help of Wi-Fi network . It allows the users with 4G Compatible devices to make and receive calls via Wi-Fi Network. Making a WiFi call is similar to those of normal call we do as usual . No additional costs are charged to make or receive call over WiFi.In case you have no any call pack or data pack then WiFi calling becomes a gift for you that is provided by Android team to us .Calling over Wireless Fidelity is like that calling free with no data cost , there is no any Postpaid Facility in wifi calling . It is Free . You can use it anywhere and anytime
What is Needed to make WiFi Call ?
Placing a call over WiFi is very easy . Nothing extra needed to make wifi call except the things given in the following paragraph.
To make WiFi call you must have a 4G compatible smartphone that supports WiFi calling . When your smartphone become eligible for WiFi calling , a option of WiFi calling will be added to your phone's Setting and icon of WiFi calling and Vo -WiFi (Voice over Wireless Fidelity ) will be added to your Notification Panel.If option of Wifi calling is not available in your Settings then you can prefer various applications from Android google PlayStore to check your Wifi Calling eligibility.
Here below I'm sharing the Screenshot showing that how these above icons look in Settings & Notification Panel :-
I hope you get the information via this blog What is Wi-Fi Calling ? | Call with WiFi Network what you are searching for....