Summary
This update enables you to join a meeting without an audio device through the Meeting Join Launcher when you set the Join meeting audio from option under Option > Skype Meetings > Joining conference calls to Skype for Business in Microsoft Skype for Business 2016. Additionally, if you accept a meeting invite audio toast, you can also join a meeting without an audio device.
How to get this update
To fix this issue, install the June 13, 2017, security update (KB3203382) for Skype for Business 2016.
