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WiFi calling: Make calls even without a network! Learn what WiFi calling is and how it works.

What is WiFi Calling and How It Works: Sometimes, due to weak mobile network signals, call drops or poor call quality can occur. In such situations, WiFi Calling proves to be a very useful feature.
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No mobile signal? BSNL users can now make calls without network as WiFi calling rolls out across India

New Delhi: Bharat Sanchar Nigam Limited (BSNL) has just delivered a major connectivity upgrade for its mobile subscribers - Voice over Wi-Fi calling (VoWiFi) is now live nationwide. This means users ...