Assume that you install June 7, 2016, update for Lync 2013 (Skype for Business). Then, you join a meeting without audio devices. In this situation, a blank window is displayed. The expected scenario is that you receive a message that indicates that you can't join the meeting because of no audio device.
Article ID: 3186688 - Last Review: Sep 6, 2016 - Revision: 1