As an integral part of the Cisco AVVID (Architecture for Voice, Video, and Integrated Data) environment, Cisco Unity complements the full range of Cisco IP-based voice solutions including Cisco CallManager, Cisco IP Contact Center, and Cisco Personal Assistant. Cisco Unity is designed for large or small enterprises and offers enhanced security, reliability, and serviceability along with support for Microsoft Windows 2000, Advanced Server SP2, and Microsoft Exchange 2000 Enterprise Server. Cisco Unity Deployment and Solutions Guide presents real world deployment examples and shows how to plan, install, and manage a Cisco unified communications solution. Part I focuses on understanding Unity architecture and the different technologies it uses. It also provides a comprehensive list of features and explains how they are used. Part II focuses on deployment issues and explains the steps necessary to deploy a Unity messaging system in a small or large organization. It includes a considerable number of real world examples and case studies for each installation type. Part III answers a large number of solutions oriented questions asked by customers on a regular basis, but where no documented information is presently available. Finally, part IV explains everything a Unity Administrator needs to know in order to manage the system and it's users.