Q. What is VoIP? How is it useful?
Answer =
VoIP is a technology that allows one to make audio and video calls over a Broadband Internet connection. Full form of VoIP is Voice over Internet Protocol.
OR
VoIP are communication protocols and transmission technologies for delivery of voice communication and multimedia sessions over Internet Protocol (IP) networks, such as the internet. Also, we can say that VoIP are IP technology, internet telephony and broadband telephony.
It useful because:-
• Lower Cost.
• Increased functionality as it can use any Internet enabled devices.
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