Just a quick blog post about a bug I ran into today with the Skype for Business 2016 client. While signed into a test account, I attempted to delete all the previous voicemail messages shown on the Phone/Dial Pad tab. Not really paying attention, I proceeded to click the first item, hold shift and select the last item. That was when all hell broke loose and the client became possessed and unresponsive. Task Manager to the rescue and able to reproduce time and time again, using on-premises or online accounts with Azure Voicemail or Exchange Unified Messaging.
For your viewing pleasure:
Feel free to leave a comment with the client version if able to reproduce.