Assume that you have a Polycom telephone that is running Microsoft Lync Phone Edition. You install the cumulative update for Lync Phone Edition for Polycom CX500, Polycom CX600, and Polycom CX3000 telephones that was released in December 2012. In this situation, you encounter one of the following issues:
The graphic output that is displayed on the screen of the telephone is shrunken. The graphic output does not fill the screen.
A white screen with vertical lines is displayed on the screen.
To resolve this issue, install the following cumulative update:
2737911 Description of the cumulative update for Lync Phone Edition for Polycom CX500, Polycom CX600, and Polycom CX3000 telephones: January 2013
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.