Article ID: 2464823 - View products that this article applies to.
Consider the following scenarios:
This issue occurs because Unified Communications Client Platform (UCCP) does not correctly parse the tel: URL that is used by the ACP participant.
Install the following cumulative update:
(http://support.microsoft.com/kb/2496325/ )Description of the cumulative update package for Lync 2010: December 2010
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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