VoIP

Acronym (Voice Over Internet Protocol) to denote a set of systems that enables voice to be transmitted over the Internet. Here, the voice travels in digital format, data packets, and not in an analogue manner, through the traditional double copper cable.

https://patents.google.com/patent/US6999431B2/en https://patents.google.com/patent/US6829249B1/en https://patents.google.com/patent/US6141341A/en

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