Microsoft Lync Server 2010

 

PressPass: https://www.microsoft.com/presspass/press/2010/sep10/lyncpr.mspx 

UC Blog: https://blogs.technet.com/b/uc/archive/2010/09/13/introducing-microsoft-lync-the-next-ocs.aspx

Download the release candidate now: https://technet.microsoft.com/en-gb/evalcenter/ff808407.aspx