http://192.168.2.20/blogs/doverton/archive/2007/09/25/office-communicator-2007-what-s-new-trial-downloads-speech-server.aspxOffice Communicator 2007 What's New Guide This document covers the new features introduced in Office Communicator 2007 since the Office Communicator 2005 release. http://www.microsoft.com/downloads/info.aspx?na=22&p=5&SrcDisplayLang=en&SrcCategoryIdenCommunityServer 2008.5 SP2 (Build: 40407.4157)