Lync Server 2010 Jun 2012 CU was released in June 2012. Below is the detail information.

Server

2710559 Description of the cumulative update for Lync Server 2010, Web Components Server: June 2012

2709419 Description of Lync 2010 Group Chat SDK: June 2012

2708617 Description of the cumulative update for Lync Server 2010, Mobility Service: June 2012

2708616 Description of the cumulative update for Lync Server 2010, Web Conferencing Server: June 2012

2707265 Description of the cumulative update for the Lync Server 2010, Group Chat Administration Tool: June 2012

2707218 Description of the cumulative update for Lync Server 2010 Meeting Content Viewer tool: June 2012

2701663 Description of the cumulative update for Lync Server 2010, Core Components: June 2012

2701655 Description of the cumulative update for Lync Server 2010, Unified Communications Managed API 3.0 Runtime: June 2012

2701585 Description of the cumulative update for Lync Server 2010: June 2012

2701659 Description of the cumulative update for Lync Server 2010, Conferencing Attendant: June 2012

Client

2701664 Description of the cumulative update package for Lync 2010: June 2012

2716895 Description of the cumulative update package for Lync 2010 for Android: June 2012

2709412 Description of the cumulative update package for Lync 2010 for iPad: June 2012

2701671 Description of the cumulative update for Lync 2010 Phone Edition for Polycom CX500, Polycom CX600, and Polycom CX3000 telephones: June 2012

2701670 Description of the cumulative update for Lync 2010 Phone Edition for HP 4110 and HP 4120: June 2012

2701667 Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: June 2012

2701665 Description of the cumulative update for Lync 2010 Group Chat: June 2012

 

Note: For the Update version information for each CU, please refer to the follow link:

http://blogs.technet.com/b/hot/archive/2012/09/24/update-version-information-for-lync-server-2010.aspx