?? There is a mention of Lync in the engineering guideslines for MAS. Its just kind of useless.
Unified Communicator Advanced Release 6.0
My Voice for Lync®: UC Advanced 6.0 introduces seamless integration with Microsoft Lync 2010 and 2013 clients through the Mitel Lync PlugIn. Mitel Lync plug-in is an application that integrates with Microsoft Lync Client and allows Microsoft Lync users to use Mitel telephony functionality through its feature rich UCA infrastructure.