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Article ID: 943086 - Last Review: January 16, 2015 - Revision: 1.3

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This article describes the issues that are fixed in the update package for Microsoft Office Communications Server 2007 Mediation Server that is dated December 17, 2007.
This article describes the following items about the update package:
  • The issues that the update package fixes.
  • The prerequisites for installing the update package.
  • Whether you must restart the computer after you install the update package.
  • Whether the update package is replaced by any other update package.
  • Whether you must make any registry changes.
  • The files that the update package contains.


Issues that the update package fixes

This update package fixes the following issues:
945865  ( ) The telephone number extension field is not included when an invitation message is sent to a PBX or to a PSTN from the Mediation Server application in Communications Server 2007
945866  ( ) A transferred call fails in Communicator 2007
945868  ( ) Caller identity information is lost in the invitation message when a computer that is running the Mediation Server role in Communications Server 2007 receives an invitation message from a PBX or from a PSTN
945869  ( ) Mediation Server does not handle a re-invite request correctly when it receives the request without having SDP on its gateway side in Communications Server 2007
945873  ( ) Communications Server 2007 Mediation Server does not support Transport Layer Security on its gateway side

Update package information

To obtain this update, visit the following Microsoft Web site: (
The update appears in High-Priority Updates under Microsoft Office Communications Server 2007.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591  ( ) How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
If you are an administrator, you may want to download this update and then distribute it to clients. To download the update to a folder of your choice, visit the following Microsoft Web site: (
When you search for Communications Server 2007, all the updates that are available for Communications Server 2007 and for Communications Server 2007 Mediation Server are shown.


There are no prerequisites for installing this update package.

Restart information

You do not have to restart the computer after you apply this update package.

Update replacement information

This update package does not replace a previously released update package.

Registry information

To use one of the updates in this package, you do not have to make any changes to the registry.

Removal information

To remove this update package, use the Add or Remove Programs feature in Control Panel.

Sometimes, when you try to uninstall the update package, you are prompted for the source CD. If this behavior occurs, insert the source CD, or provide the path where the source files can be found.

Update package installation information

This update package contains the following package:
To install this update package, install the MediationServer.msp package on the server that has Mediation Server Role installed.

This update package may not contain all the files that you must have to fully update a product to the latest build. This update package contains only the files that you must have to correct the issues that are listed in this article.

After the update is installed, the global version of this update has the file attributes, or a later version of the file attributes, that are listed in the following table:
Collapse this tableExpand this table
File nameFile versionFile sizeDateTime
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684  ( ) Description of the standard terminology that is used to describe Microsoft software updates

  • Microsoft Office Communications Server 2007 Standard Edition
  • Microsoft Office Communications Server 2007 Enterprise Edition
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