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VoIP Protocols: SIP and H.323

By Kyzer Davis, Paul Giralt, Patrick Kinane, Gonzalo Salgueiro.
Sample Chapter is provided courtesy of Cisco Press.
Date: Nov 20, 2019.

Chapter Information

Chapter Description

In this sample chapter from CCNP Collaboration Call Control and Mobility CLACCM 300-815 Official Cert Guide, you will review the function components of Session Initial Protocol (SIP), exam Session Description Protocol (SDP) fundamentals, and examine the H.323 communication protocol.

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Review All Key Topics

Review the most important topics in the chapter, noted with the key topics icon in the outer margin of the page. Table 2-9 lists these key topics and the page number on which each is found.

Table 2-9 Key Topics for Chapter 2

Key Topic Element	Description	Page
Figure 2-1	Sample SIP Dialog with Two Transactions	32
List	List of SIP components	34
Table 2-2	SIP Requests	35
Table 2-3	SIP Response Classes	36
Figure 2-3	Analyzing a Basic SIP Call	46
Table 2-5	Fields and Attributes in SDP Bodies	50
Figure 2-4	SIP Delayed Offer Versus SIP Early Offer	53
Table 2-7	SDP Direction Attributes Description	56
Table 2-8	Different Ways of Setting the Direction Attribute in an Answer	58
Figure 2-6	SIP re-INVITE and UPDATE Session Modifications	61
List	H.323 components	67
Figure 2-7	Basic H.323 Slow Start Call	69
Figure 2-8	H.323 FastConnect Call Setup	70

8. Complete Tables and Lists from Memory | Next Section Previous Section

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