Article ID: 2517681 - View products that this article applies to.
Consider the following scenario:
To resolve this issue, install the following cumulative update.
For Aastra 6721ip and Aastra 6725ip telephones:
(https://support.microsoft.com/kb/2529978/ )Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: April 2011
For Polycom CX500, Polycom CX600 and Polycom CX3000 telephones:
(https://support.microsoft.com/kb/2529977/ )Description of the cumulative update for Lync 2010 Phone Edition for Polycom CX500, Polycom CX600 and Polycom CX3000: April 2011
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about how to change management options for Lync 2010 Phone Edition, visit the following Microsoft TechNet website:
Article ID: 2517681 - Last Review: April 4, 2011 - Revision: 1.0