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Audio skips in Communicator 2007 R2 during Communicator calls or during Public Switched Telephone Network calls on a computer that is running Windows Vista
Article ID: 976054 - View products that this article applies to.
On a computer that is running Windows Vista, audio skips in Microsoft Office Communicator 2007 R2 during Communicator calls or during Public Switched Telephone Network (PSTN) calls.
To resolve this issue, apply the following update:
(http://support.microsoft.com/kb/972884/ )Description of the update for Communicator 2007 R2: Oct 2009
To work around this issue, use one of the following methods.
Method 1 Disable the automatic start of Office Communicator 2007 R2 when Windows starts. Then, 60 seconds after Windows starts, manually start Office Communicator 2007 R2.
Method 2 60 seconds after Windows starts, close and then re-start Office Communicator 2007 R2.
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:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
Method 3 Configure the registry entry
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\Advanced\DelayedAppsregistry subkey. To do this, follow these steps: