Lync client for the Mobile Device–Now Available
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Lync mobile clients enabling you to stay connected, communicate and conference on the go. Now Available – Mobile clients for Lync 2010 across multiple platforms including Windows Phone 7, iPhone, iPad, Symbian, and Android. For Windows Phone 7 get it on the Marketplace.
Lync Mobile Features Comparison from (http://unifiedcollaboration.nl/2011/12/09/lync-mobile-feature-comparison-2/)
Updated information on Downloading from Microsoft TechNet - http://blogs.technet.com/b/lystavlen/archive/2011/12/12/lync-mobile-its-here-and-here-is-how-to-set-it-up.aspx
For more information on Microsoft Lync - http://lync.microsoft.com/en-us/Pages/default.aspx