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Authorized Self-Study Guide Cisco Voice over IP (CVoice) by Kevin Wallace

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H.323 Concepts and Configuration

H.323 and its associated ITU-T recommendations represent a distributed environment for establishing voice, video, and data communication in a network without a quality of service (QoS) guarantee, which is typical of an IP internetwork. In addition to describing how to configure H.323, this section discusses the features and functions of the H.323 environment, including its components and how they interact. Scalability and survivability issues are also discussed.

H.323 and IP

Recommendation H.323 describes an infrastructure of terminals, common control components, services, and protocols that are used for multimedia (voice, video, and data) communications. Figure 6-8 illustrates the elements of an H.323 terminal ...

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