| Abstract
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This document serves as a framework for Telephony Routing over IP
(TRIP), which supports the discovery and exchange of IP telephony
gateway routing tables between providers. The document defines the
problem of telephony routing exchange, and motivates the need for the
protocol. It presents an architectural framework for TRIP, defines
terminology, specifies the various protocol elements and their
functions, overviews the services provided by the protocol, and
discusses how it fits into the broader context of Internet telephony.
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