%% You should probably cite rfc7244 instead of this I-D. @techreport{ietf-xrblock-rtcp-xr-synchronization-01, number = {draft-ietf-xrblock-rtcp-xr-synchronization-01}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-xrblock-rtcp-xr-synchronization/01/}, author = {Hitoshi Asaeda and Rachel Huang and Qin Wu}, title = {{RTP Control Protocol (RTCP) Extended Report (XR) Blocks for Synchronization Delay and Offset Metrics Reporting}}, pagetotal = 11, year = 2012, month = oct, day = 18, abstract = {This document defines two RTP Control Protocol (RTCP) Extended Report (XR) Blocks and associated with SDP parameters that allow the reporting of synchronization delay and offset metrics for use in a range of RTP applications.}, }