Microsoft KB Archive/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 =

Article ID: 945865

Article Last Modified on 12/17/2007

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APPLIES TO


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

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SYMPTOMS
A computer that is running the Mediation Server application in Microsoft Office Communications Server 2007 sends an invitation message to a private branch exchange (PBX) or to a Public Switched Telephone Network (PSTN) gateway. However, the telephone number extension field is not included. This problem occurs even if the Office Communications Server (OCS) network provides the extension field to Mediation Server.



RESOLUTION
This problem is fixed in the update package for Communications Server 2007 Mediation Server 2007 that is dated December 17, 2007.

For more information about the update, click the following article number to view the article in the Microsoft Knowledge Base:

943086 Description of the update package for Communications Server 2007, Mediation Server: December 17, 2007



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
An example of the problem that is described in the &quot;Symptoms&quot; section occurs when the FROM field of the invitation message does not contain the following telephone uniform resource identifier (URI):

tel: +155511234567;ext=34567

Note The URI is described in the &quot;19.1.6: Relating SIP URIs and tel URLs&quot; section of Request for Comments (RFC) 3261, &quot;SIP: Session Initiation Protocol.&quot;

Additional query words: ocs2007 ocs2k7 ocs12

Keywords: kbexpertiseinter kbqfe kbbug kbfix kbpubtypekc KB945865

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