Article ID: 968881 - Last Review: April 3, 2009 - Revision: 1.1

When you configure the Communications Server 2007 SIP Proxy to listen on a port other than the default SIP TLS port, SIP connections cannot be initiated by Response Group Server or by Conference Auto Attendant

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SYMPTOMS

When you configure the Microsoft Office Communications Server 2007 SIP Proxy to listen on a port other than the default SIP TLS port (5061), SIP connections cannot be initiated by Response Group Server or Conference Auto Attendant.
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CAUSE

Response Group Server and Conference Auto Attendant are not honoring the nondefault port assignment. Therefore, they cannot make outgoing connections by using the server.
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WORKAROUND

To work around this issue, configure the Communications Server SIP Proxy to use the default listening port (5061).
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RESOLUTION

To resolve this issue, apply the following update:
967832  (http://support.microsoft.com/kb/967832/ ) Description of the update package for Communications Server 2007 R2 Application Host: April 2009
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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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APPLIES TO
  • Microsoft Office Communications Server 2007 R2 Standard Edition
  • Microsoft Office Communications Server 2007 R2 Enterprise Edition
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Keywords: 
kbfix kbqfe kbexpertiseinter kbsurveynew kbprb KB968881
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