Blackberry IM for OCS 2007http://blogs.technet.com/toml/archive/2008/08/05/blackberry-im-for-ocs-2007.aspxA team member shared this link (thanks Maureen) and she noted that while navigating the sight the links all referenced LCS until you go to the download section - &lt;link&gt; Edit August 5, 2008 - Matt McGillen has this post with what he learned abouten-USCommunityServer 2.1 SP1 (Build: 61025.2)re: Blackberry IM for OCS 2007http://blogs.technet.com/toml/archive/2008/08/05/blackberry-im-for-ocs-2007.aspx#3101235Wed, 06 Aug 2008 23:26:40 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3101235Joachim Farla (OCS MVP)<p>We also describe what you need to configure on the BES server. Joachim</p>