Microsoft Office Communicator 2007 R2 Hotfix KB 2501722
This download contains an update for Microsoft Office Communicator 2007 R2.

This cumulative update fixes the following issues:

• 2489816  (http://support.microsoft.com/kb/2489816/ ) A user is displayed as another user in Office Communicator 2007 R2
• 2489823  (http://support.microsoft.com/kb/2489823/ ) You hear a loud noise when you call a European PSTN number by using Office Communicator 2007 R2

Adoption Reporting Tools for OCS 2007 R2
The Adoption Reporting Tool for Microsoft® Office Communications Server 2007 R2 enables administrators to measure usage and adoption of Office Communications Server 2007 R2 in their enterprise.

Microsoft Office Communications Server 2007 R2 Attendant Hotfix KB 2502321
This download contains an update for Microsoft Office Communications Server 2007 R2 Attendant.

This update package fixes the issues that are described in the following Microsoft Knowledge Base articles:

• 981416  (http://support.microsoft.com/kb/981416/ ) Office Communicator 2007 R2 audio becomes choppy during attendant console calls or Public Switched Telephone Network calls
• 972402  (http://support.microsoft.com/kb/972402/ ) Office Communicator 2007 R2 runs concurrently with Office Communications Server 2007 R2 Attendant

Microsoft Office Communications Server 2007 R2 Group Chat Hotfix KB 2491973
This download contains updates for Microsoft Office Communications Server 2007 R2 Group Chat.

Unified Communications Managed API 2.0 Redist (64 Bit) Hotfix KB 2501720
This download includes all available updates for Unified Communications Managed API 2.0 Redist (64 Bit).

This cumulative update fixes the following issues:

• 2489817  (http://support.microsoft.com/kb/2489817/ ) A PSTN call to a conference call which is hosted on an Office Communications Server 2007 R2 server may be disconnected
• 2512216  (http://support.microsoft.com/kb/2512216/ ) RGS agents cannot receive calls until you restart the RGS in an Office Communications Server 2007 R2 environment

Microsoft Office Communications Server 2007 R2 Hotfix KB 968802
This download includes all available updates for Office Communications Server 2007 R2.

This cumulative update fixes the following issues:

• 2489820  (http://support.microsoft.com/kb/2489820/ ) The service requests to retrieve the location profile are unsuccessful if you delete the per-user level location profile in an Office Communications Server 2007 R2 environment