What is Voice over Internet Protocol (VoIP)?

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Describe Voice over Internet Protocol (VoIP) and the four methods of calls through the internet.

The Voice over Internet Protocol (VoIP) is used for the circulating of voice conversation over the Internet. The VoIP is also referred to as IP Telephony, Broadband Telephony, etc. Analog signals are used in telephones where sound is received as electrical pulsation that is boosted and…

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