On February 23, 2017 at 17:52, alihashemi said...
No, not always. I've seen many conference rooms that have BYOD where they ask you to browse to a webpage, it installs a plugin, and bam, you're on the conference room screens. Works for all devices, Mac, PC, iOS, Android, etc.
Edit:
[Link: crestron.com]Well, I think anytime something has to be installed on someones device in order to get it to work, there is potential for disaster.