Thank you for contacting Cassia
FYI, Cassia uses Zoom for facilitating video conference calls & demos.
New to Zoom? Zoom meetings are best when you join them from the Zoom Client or Zoom on the web, and there's a bunch of ways to do that—read on for details about joining by link, from your calendar, and more.
For support or to learn more about joining a Zoom meeting:
https://support.zoom.us/hc/en-us/articles/201362193-Joining-a-Zoom-meeting