A guide to VoIP, the technology that lets you make voice calls over the internet

VoIP (Voice over Internet Protocol) is a system for transmitting voice calls over the internet, rather than a phone line.
News24

BSNL launches new VoWiFi service, allows users to make calls without mobile network, here’s how

BSNL has launched its free VoWiFi service, allowing users to make voice calls over Wi-Fi in low-network areas, ...

BSNL users can now make calls without network: New VoWiFi service launched

BSNL has launched its VoWiFi calling service, allowing users to make calls even without a mobile network by using Wi-Fi or ...