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VoIP Performance Management and Optimization by Habib Madani, Adeel Ahmed - CCIE No. 4574, Talal Siddiqui - CCIE No. 4280

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Chapter 5. VoIP Deployment Models in Enterprise Networks

This chapter explains the main components that form the Cisco Unified Communications (UC) solution as deployed on a converged IP network in enterprise networks. The intent of this chapter is to describe the most commonly deployed scenarios for Voice over Internet Protocol (VoIP) in enterprise networks to build a foundation for voice-specific network management and optimization topics in the later chapters.

Various deployment models are described that are used in a typical enterprise network including the fundamental models: central call processing and distributed call processing. Large campus deployment schemes are also discussed. This chapter examines the differences in hosted and managed ...

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