Chapter 3. IP Multimedia Fundamentals

IP multimedia communication services are built on top of the TCP/IP (Transmission Control Protocol/Internet Protocol) protocol suite. In this chapter, we will briefly review the fundamental concepts around IP networks and the TCP/IP protocols. After that, we will describe the architecture and the application-level Internet protocols that have been defined to enable multimedia communications. It is crucial to understand that SIP (Session Initiation Protocol) is not the only protocol involved in delivering multimedia communication services. It is just one additional component, though fundamental, in the whole architecture.

For a comprehensive description of the TCP/IP protocol suite, I recommend the excellent ...

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