Article ID: 2517720 - View products that this article applies to.
Consider the following scenario:
Note This issue occurs when the telephone uses one of the following languages:
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.
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.
Article ID: 2517720 - Last Review: April 25, 2011 - Revision: 2.0