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Summary
This chapter presented a high-level summary of how the legacy voice and data networks have transitioned to new-world multiservice networks and the corresponding evolution of the Cisco AVVID IPT network solution. This chapter provided an overview of telco and VoIP signaling protocols, call processing in Cisco IPT networks, and IPT components and applications. The introduction of the various IPT deployment models and their benefits and the detailed discussion of the call-flow scenarios should prepare you for the deployment of IPT in the real world.Because this book is about planning, design, implementation, operation, and optimization (PDIOO) of Cisco IPT networks, the next chapter gives you a high-level introduction to different phases and steps of the PDIOO methodology. The next chapter explains how the PDIOO methodology helps you to achieve your goal of deploying a scalable and optimized IPT network in an orderly fashion.
