A Communicator 2007 user hears a long dial tone mixed with the streaming audio if the user takes a USB telephony device handset off the hook and then uses the device to stream audio from another application

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Article ID: 948737 - View products that this article applies to.
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SYMPTOMS

A Microsoft Office Communicator 2007 user takes a universal serial bus (USB) telephony device handset off the hook. When the user then uses the device to stream audio from another application, the user hears a 30-second-long dial tone mixed with the streaming audio.

CAUSE

This issue occurs because Communicator 2007 cannot detect whether the device is being used by another application such as Microsoft Office Live Meeting or Windows Live Messenger.

RESOLUTION

To resolve this issue, follow these steps.

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
  1. Apply hotfix 946164.

    For more information, click the following article number to view the article in the Microsoft Knowledge Base:
    946164 Description of the update for Communicator 2007: April 2, 2008
  2. Click Start, click Run, type regedit in the Open box, and then click OK.
  3. Right-click the following registry subkey:
    HKEY_CURRENT_USER\Software\Policies\Microsoft\Communicator
  4. Point to New, and then click DWORD Value.
  5. Type PlayAbbrDialTone as the name of the new registry entry, and then press ENTER.
  6. Double-click the PlayAbbrDialTone registry entry, type 1 in the Value data box, and then click OK.
  7. Right-click the following registry subkey:
    HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Communicator
  8. Point to New, and then click DWORD Value.
  9. Type PlayAbbrDialTone as the name of the new registry entry, and then press ENTER.
  10. Double-click the PlayAbbrDialTone registry entry, type 1 in the Value data box, and then click OK.
  11. Exit Registry Editor.

Properties

Article ID: 948737 - Last Review: April 3, 2008 - Revision: 1.2
APPLIES TO
  • Microsoft Office Communicator 2007
Keywords: 
kboffice2007presp2fix kbqfe kbexpertisebeginner KB948737

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