March 2007
Beginner
408 pages
9h 28m
English
Content preview from Voice and Video Conferencing FundamentalsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 4. Media Control and Transport
This chapter covers the following topics:
Endpoints and conferencing systems in an IP network send voice and video packets via Real-time Transport Protocol (RTP). RTP has a companion protocol called RTP Control Protocol (RTCP), which provides information about the RTP streams related to packet statistics, reception quality, network delays, and synchronization. This chapter addresses the following topics:
Basics of RTP and RTCP and their usage in conferencing systems
Different RTP devices used in the conferencing architectures
RTP packetization formats and details for H.263 and H.264 video codecs and I-frame ...
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