Lync Server 2010 Group Chat Software Development Kit (SDK) includes documentation and sample applications developed with the Lync Server 2010 Group Chat platform.
Overview
The Group Chat feature lets organizations set up searchable, topic-based chat rooms that persist over time, allowing geographically distributed teams to better collaborate with one another while preserving organizational knowledge.
The Microsoft Lync Server 2010 Software Development Kit (SDK) includes documentation and sample applications developed with the Lync Server 2010 platform.
http://www.microsoft.com/download/en/details.aspx?id=23647&WT.mc_id=rss_office_allproducts
