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CPU usage increases significantly when you make a call in Office Communicator 2007 R2

You use some USB audio devices to make calls in Microsoft Office Communicator 2007 R2. When you mute the microphone, CPU usage may increase significantly.
To fix this problem, apply the following update:
976135 Description of the Communicator 2007 R2 cumulative update: January 2010

Article ID: 978719 - Last Review: 06/21/2014 13:38:00 - Revision: 2.0

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