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Voice over Wi-Fi (VoWiFi)

Part of: GS Prelims and GS-III – Science & Technology

In News

Bharti Airtel, which recently removed its FUP (Fair Usage Policy) on calls to other networks, has introduced Voice over Wi-Fi (VoWiFi), a first for India
Wi-Fi Calling makes use of high speed Internet connection, available via broadband, to make and receive high definition (HD) voice calls. Users don’t have to pay extra for these calls as it is using a Wi-Fi network.
Wi-Fi Calling is aimed especially for areas where cellular networks are not strong.

This is not much different from a voice call using WhatsApp or any other over-the-top messaging platform, but here the call is from one number to another, and not using an app.

Wi-Fi Calling can be configured on compatible smartphones by upgrading operating systems to the version that supports Wi-Fi Calling, and enabling this in Settings.
Airtel says it will soon be compatible with all broadband services and Wi-Fi hotspots, and rolled out in other locations.

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