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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