A call is disconnected when transferring the call from the main auto attendant to an auto attendant that has a different language configured in an Exchange Server 2010 environment

Article ID: 2506998 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • You install two or more Unified Messaging (UM) language packs on a Microsoft Exchange Server 2010 UM server.
  • You create a main auto attendant, and then you create and configure other auto attendants that support other languages.
  • You configure the main auto attendant to have appropriate key mappings to access other auto attendants.
  • The main auto attendant receives an incoming call. Then, the caller presses a key to transfer the call to an auto attendant with a different language configured.
In this scenario, the caller hears an error message in the selected language, and the call is disconnected. Additionally, the UM worker process (UMWorkerProcess.exe) crashes.
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CAUSE

This issue occurs because the speech recognition engine of the language does not change.
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RESOLUTION

To resolve this issue, install the following update rollup:
2529939
(http://support.microsoft.com/kb/2529939/ )
Description of Update Rollup 3 for Exchange Server 2010 Service Pack 1
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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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MORE INFORMATION

For more information about UM auto attendants, visit the following Microsoft website:
General information about UM auto attendants
(http://technet.microsoft.com/en-us/library/bb124724.aspx)
For more information about how to configure key mapping entries on a UM auto attendant, visit the following Microsoft website:
How to configure key mapping entries on a UM auto attendant
(http://technet.microsoft.com/en-us/library/aa997471.aspx)
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Properties

Article ID: 2506998 - Last Review: April 6, 2011 - Revision: 2.0
APPLIES TO
  • Microsoft Exchange Server 2010 Service Pack 1, when used with:
    • Microsoft Exchange Server 2010 Enterprise
    • Microsoft Exchange Server 2010 Standard
Keywords: 
kbqfe kbfix kbsurveynew kbhotfixrollup kbexpertiseinter KB2506998
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