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RTP Control Protocol (RTCP) Extended Report (XR) Block for Concealed Seconds Metric Reporting

Document type: Replaced Internet-Draft (xrblock WG)
Document stream: IETF
Last updated: 2013-04-23 (latest revision 2012-10-22)
Intended RFC status: Unknown
Other versions: (expired, archived): plain text, pdf, html

IETF State: WG Document
Document shepherd: No shepherd assigned

IESG State: Replaced by draft-ietf-xrblock-rtcp-xr-loss-conceal
Responsible AD: (None)
Send notices to: No addresses provided

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found here:


This document defines an RTP Control Protocol(RTCP) Extended Report (XR) Block that allows the reporting of Concealed Seconds metrics, primarily for audio applications of RTP.


Glen Zorn <>
Wenson Wu <>
Alan Clark <>
Claire Bi <>

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid)