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Status:

PROPOSED STANDARD

Authors:

M. Garcia-Martin
S. Veikkolainen
R. Gilman

Stream:

IETF

Source:

mmusic (rai)

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DOI:  https://doi.org/10.17487/RFC7006

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Abstract

The Session Description Protocol (SDP) has been extended with acapability negotiation mechanism framework that allows the endpointsto negotiate transport protocols and attributes. This framework hasbeen extended with a media capabilities negotiation mechanism thatallows endpoints to negotiate additional media-related capabilities.This negotiation is embedded into the widely used SDP offer/answerprocedures.

This memo extends the SDP capability negotiation framework to allowendpoints to negotiate three additional SDP capabilities. Inparticular, this memo provides a mechanism to negotiate bandwidth("b=" line), connection data ("c=" line), and session or media titles("i=" line for each session or media).

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.