You can join a scheduled live meeting using the 'Live Meetings' tab from the center dashboard.
Access Path : Center Dashboard > Live Meetings > View Meetings
Clicking the 'Join Now' option will open the Zoom Meeting in your browser / Desktop Zoom app (If you have already installed Zoom app on your system) to connect you to the live meeting session.
In case you got cut from your live meeting session, you can reconnect to the live meeting session by clicking the 'Restart' button from the 'Meeting Details' page.
In the Attendance list,
1. Scheduled - Indicates those persons who got the live meeting session invitation.
2. Attending - Indicates those persons who are currently attending the live meeting session.