Voice-over-Internet protocol (VoIP, IPA: /v??p/) is a protocol optimized for the transmission of voice through the Internet or other packet-switched networks.

Federal Communications Commission ... Aspects of these considerations may change with new developments in internet technology.

PPPoE, Point-to-Point Protocol over Ethernet, is a network protocol for encapsulating Point-to-Point Protocol (PPP) frames inside Ethernet frames.

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FAQ Details Page ... Voice over Internet Protocol (VoIP) is a technology used to transmit voice and related calls over a data network.