Article ID: 2854650 - View products that this article applies to.
Consider the following scenario:
This issue occurs because Lync 2013 does not deliver the information of the conversation participants to the %contact-id% parameter.
To resolve this issue, install the following update:
(http://support.microsoft.com/kb/2825630/ )Description of the Lync 2013 update: September 20, 2013
For more information about how to integrate Lync 2013 with a third-party collaboration application, go to the following Microsoft website:
How to integrate Lync 2013 with a third-party collaboration application