Voice over IP Fundamentals

Chapter 6. VoIP Signaling and Call Control Protocols After reading this chapter, you should be able to perform the following tasks: Identify the appropriate call control model for your network.Describe how H.323 gateways and gatekeepers ...

The Need for Signaling and Call Control Signaling and call control are fundamental to the call establishment, management, and administration of voice communication in an IP network. This section discusses the benefits of using signaling and call c...

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 o...

MGCP Concepts and Configuration An understanding of the features and functions of the Media Gateway Control Protocol (MGCP), its components, and the relationships that the components establish with each other is important when implementing a scala...

Comparing Call Control Models Understanding the capabilities of the H.323, SIP, and MGCP models helps you decide which call control model best meets your requirements. This section compares the features and functions of the three call control mode...

Summary IP telephony networks use call control protocols to make call routing decisions. This chapter detailed three call control protocols: H.323, SIP, and MGCP. H.323 represents the most mature of the call control standards. However, in a Cisco ...

Chapter Review Questions The following questions test your knowledge of topics explained in this chapter. You can find the answers to the questions in Appendix A, "Answers to Chapter Review Questions." 1.Which three of the following a...

Lab Exercise: H.323 Gatekeeper In this lab, you will configure two routers to act as H.323 gateways and one router to act as an H.323 gatekeeper. Routers R1 and R3, which are illustrated in Figure 6-53, will each act as H.323 gateways in different...