Chapter 3
VoIP Protocols: RTP, RTCP, and DTMF Relay
This chapter covers the following topics:
Introduction to Real-Time Media: This section lays the groundwork for how analog voice is digitized and made suitable for transport over an IP network.
Real-Time Transport Protocol: This section provides an introduction to Real-Time Transport Protocol (RTP) and explains how RTP packets are formatted.
Real-Time Transport Control Protocol: This section covers Real-Time Transport Control Protocol (RTCP) as a peer protocol to RTP and discusses various RTCP packet types.
DTMF Relay: This section provides a brief introduction to DTMF relay and provides details about the various methods of DTMF relay used in real-time communication networks.
This chapter covers ...
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