Lync Server 2010 ushers in a new connected experience transforming communication into an interaction that is more collaborative, engaging and accessible from any location with internet connectivity. A single interface unites voice, IM, audio-, video-, and web-conferencing into a richer, more contextual offering and a single identity makes it easier and more efficient for users to find contacts, check their availability and connect with them. Lync Server 2010 works consistently with Microsoft Office, enriching the experience of familiar applications like Microsoft Outlook, Microsoft Word, Microsoft SharePoint, and more.
Try a fully functional version of Lync Server 2010 RC in your own environment. You can download it from: http://www.microsoft.com/en-us/lync/try-it_lync.aspx?CR_CC=200004695. This download includes both Microsoft® Lync™ Server 2010 and Microsoft® Lync™ 2010 (client).