Wi-Fi Calling
Part of: GS-III- S&T-Cellular technology (PT-MAINS-PERSONALITY TEST)
What is Wi-Fi Calling?
Wi-Fi Calling is a High Definition (HD) voice service that uses a High Speed Internet connection to let you make and receive calls over a Wi-Fi network. Wi-Fi itself operates on a series of standards established by the IEEE and the Wi-Fi Alliance. The simplest way to make a Wi-Fi call is through a VoIP (Voice over Internet Protocol) system. It works by reaching a carrier ov