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News: Bharti Airtel has launched Voice over Wi-Fi (VoWiFi) in Delhi NCR. It is a first for India.
Facts:
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.
Additional Information:
- Wi-Fi: It is a radio transmission technology that allows digital devices to use high-speed internet without direct cable connections.
