News: Bharti Airtel has launched Voice over Wi-Fi (VoWiFi) in Delhi NCR. It is a first for India.
About Wi-Fi calling
- Wi-Fi Calling is a technology that enables a smartphone user to make and receive calls over a Wi-Fi network rather than a cellular radio connection.
- It is aimed especially for areas where cellular networks are not strong.
- Wi-Fi: It is a radio transmission technology that allows digital devices to use high-speed internet without direct cable connections.