Compatibility and Integration
Microsoft Office Communications Server 2007 and Microsoft Office Communications Server 2007 R2 will reach end of support on January 9, 2018. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.
This section covers the following topics:
The ability of Office Communications Server 2007 R2 clients to coexist and interact with each other, and with earlier client versions.
Office Communicator 2007 R2 compatibility with different versions of Office Communicator, Office, Exchange Server, Windows, and selected public instant messaging (IM) clients.
Office Communicator 2007 R2 integration with Microsoft Office and Microsoft Exchange Server: how it works, and how to troubleshoot common integration issues.
This section includes the following topics: