Display name is not sent from OCS to Cisco call manager 4.2(3)

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  We have two Microsoft Office Communications Server R2 x64 servers ( front end and mediation server ) installed on windows server 2008 R2 x64.

  The mediation server is integrated with Cisco call manager 4.2(3) and calls from and to Cisco phones are going very well .

   

  The problem that when call is initiated from OCS communicator to a Cisco IP phone the user display name is not sent from OCS server . I had investigated this in Microsoft website and I found that this attribute is not sent to any integrated party by default . hence it needs some configuration as described in this article from Microsoft Support Site . http://support.microsoft.com/kb/972721

  Tuesday, July 20, 2010 2:38 PM