SDP Media Loopback draft-hedayat-media-loopback-01.txt

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Presentation transcript:

SDP Media Loopback draft-hedayat-media-loopback-01.txt Kaynam Hedayat MMUSIC WG November 2004

Summary of Draft Main Goal: Enable SIP Endpoints to Initiate Calls with Media Loopback Introduce Two SDP Media Attributes Type of loopback Mode of Loopback Based on the Offer/Answer Model Reporting of Metrics via RTCP & RTCP-XR Define RTP/RTCP Requirements

SDP Attributes Loopback Type Loopback Mode Property Media Attribute a=loopback:<loopback-type> rtp-pkt-loopback rtp-media-loopback Loopback Mode Value Media Attribute a=<loopback-mode> loopback-source loopback-mirror

RTP/RTCP Requirements Define RTP Header Generation for Each Loopback Mode RTCP Endpoints MUST support RTCP and RTCP-XR RTCP-XR Statistics and VoIP Metric Report Blocks

Loopback Modes Loopback Modes Packet Loopback Media Loopback CODEC Jitter Buffer Media Loopback Loopback Modes Packet Loopback Media Loopback

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