Which two company are in advanced stages of testing Voice over WiFi (VoWiFi) services?
  • 1BSNL and Vodafone
  • 2BSNL and Reliance Jio
  • 3Bharti Airtel and Reliance Jio
  • 4Bharti Airtel and BSNL
Answer:- 3
Explanation:-

Bharti Airtel and Reliance Jio Infocomm (RJio) are in advanced stages of testing Voice over WiFi (VoWiFi) services. VoWiFi technology allows users to connect without a mobile signal as

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