Microsoft Office Communications Server (OCS) 2007 is the latest version of Microsoft's Live Communications Server 2005. This means your business can deploy advanced VoIP and conferencing without tearing out the existing legacy enterprise telephone networks. How to Cheat at Organizing Microsoft Office Communicator 2007 provides the busy system administrator with the easy-access reference that provides step by step instructions on how to install, configure, manage and resolve Communicator across the network. Get On the Microsoft Office Communications Server 2007 Learn what's new in OCS 2007, compare the previous editions, understand OCS 2007 server roles, plan the installation of OCS 2007. . Install the First OCS 2007 Server Front-End Address prerequisites, prepare active directory, install and configure OCS 2007 Enterprise Edition, and verify the installation summary. . Configure Mediation Server Install the Configuration Server, configure dialing rules, configure users for voice functionality, and voice test function. . Upgrade to Office Communications Server 2007 Plan your migration from LCS 2005 to OCS 2007, upgrade perimeter servers, upgrade director servers, upgrade front-end servers, perform user migration, and remove LCS 2005 from the network environment.