The Truth About Cisco Unified Communications and Microsoft Interoperability

Discussion created by mgervase on Dec 8, 2009
Latest reply on Mar 15, 2010 by mstreule


A Cisco and Microsoft joint statement on SIP, Cisco UC IntegrationTM for Microsoft Office Communicator, and Remote Call Control interoperability is now available.


Please use this public statement for clarity surrounding some of the conflicting or confusing messages you have heard regarding Cisco UCTM Integration for Microsoft Office Communicator support, SIP interoperability, or RCC.


This statement is posted on our Microsoft alliance site on (


A direct link to the complete statement on is here:


The statement also appears on Microsoft’s site.

Microsoft Download Center:


This statement will be updated as new interoperability details become available.  Additional information can be found here:

Please let us know if this helps you better understand Cisco and Microsoft interoperability.



Mark Gervase

Unified Communications Solutions Marketing