http://blogs.technet.com/chlacy/archive/2008/02/07/dual-forking-with-nortel-cs1000.aspxMany people have been asking for the capability to use OCS 2007 with their IP-PBX without the need of a media gateway. Nortel has been working closely with Microsoft to make this a reality with their CS1000 system. For more information, go to http://technet.microsoft.com/en-us/office/bb735838.aspen-USCommunityServer 2.1 SP1 (Build: 61025.2)