Chapter 4. Planning Phase
Chapter 3, “Large-Scale Enterprise Requirements for IP Telephony,” presented the XYZ, Inc. current network scenario and its high-level requirements for its future IPT network. Typically, customers provide these requirements in the Request for Proposal (RFP); otherwise, you can gather the requirements by meeting the voice architecture group in the customer organization. Understanding these requirements is critical to planning and designing a scalable and optimized IPT network.
Before you begin studying the planning phase, you need to understand the approach that we have taken to analyze the network infrastructure of XYZ in the planning phase.
The network infrastructure topologies of XYZ that were presented in Figures 3-2 ...
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