Microsoft released some updates for Microsoft Lync Server 2010, Microsoft's unified communications server platform. You can download the cumulative update
here.
Here's a list of updates released for Lync Server 2010:
- Update for Administrative Tools
2670358 Description of the cumulative update for Lync Server 2010, Administrative Tools: February 2012
- Update for Core Components
2670334 Description of the cumulative update for Lync Server 2010, Core Components: February 2012
- Update for Conferencing Attendant
2670540 Description of the cumulative update for Lync Server 2010, Conferencing Attendant: February 2012
- Update for Conferencing Server
2514978 Description of the cumulative update for Lync Server 2010, Conferencing Server: November 2011
- Update for Web Components Server
2670534 Description of the cumulative update for Lync Server 2010, Web Components Server: February 2012
- Update for Standard/Enterprise edition Server
2670352 Description of the cumulative update for Lync Server 2010: February 2012
- Update for Web Conferencing Server
2575871 Description of the cumulative update for Lync Server 2010, Web Conferencing Server: July 2011
- Update for Mediation Server
2640253 Description of the cumulative update for Lync Server 2010, Mediation Server: November 2011
- Update for Unified Communications Managed API 3.0 Runtime
2670539 Description of the cumulative update for Lync Server 2010, Unified Communications Managed API 3.0 Runtime: February 2012
- Update for Bandwidth Policy Service
2650037 Description of the update for Lync Server 2010 Bandwidth Policy Service: December 2011
- Update for Mobility Service
2675053 Description of the cumulative update for Lync Server 2010, Mobility Service: February 2012