Article ID: 2577892 - View products that this article applies to.
Consider the following scenario:
To resolve this issue, install the following cumulative update:
For Polycom CX500, Polycom CX600 and Polycom CX3000 telephones:
(http://support.microsoft.com/kb/2577594/ )Description of the cumulative update for Lync 2010 Phone Edition for Polycom CX500, Polycom CX600, and Polycom CX3000: July 2011
For Aastra 6721ip and Aastra 6725ip telephones:
(http://support.microsoft.com/kb/2577595/ )Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: July 2011
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