In the Prepare and Plan phase, you evaluate Cisco technologies that address your business needs. Gather information about your business and technical environment that will feed into the high-level design. Then, create a business case for the IP telephony system that provides the best return on your investment.
Before You Begin
Understand the features and functions of IP telephony applications. Start with the IP Telephony Overview and the System Release Notes 
. Then, review the deployment models to understand your options.
When You Are Done
You have defined and created the following:
•
Your business and system requirements
•A list of components and applications that match the requirements
•A project plan based on those requirements including a proposed, high-level design
Major Concepts and Tasks in This Process
•Cisco Unified Communications Features and Benefits Overview