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TRIP (Telephony Routing over IP)

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TRIP is an Internet protocol that supports the discovery and exchange of IP telephony gateway routing tables between providers. TRIP is discussed in RFC 2871 (A Framework for Telephony Routing over IP, June 2000).

An IP telephony gateway is a device that provides a link between the tradition circuit- oriented PSTN and an IP packet-switched network. It allows users on IP networks to originate calls that are forwarded to the PSTN and allows PSTN callers to make calls to Internet phone users.

See "Voice over IP (VoIP)."

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