Locking personal room meetings helps keep them secure by preventing uninvited participants from joining. When your meeting is locked, the guests wait in the lobby until you let them in.
As a host or co-host, you can lock and unlock personal room meetings by selecting the lock button. When the meeting is locked, you can let in other participants by tapping the participant list and selecting Let in on your device.
When you’re having a call in your Personal Room, tap Lock meeting or More if the button isn't visible, and then select Lock meeting.
Your Personal Room is now locked. You can let in participants by tapping the participant list in the call controls and selecting Let in. To unlock your Personal Room, tap Unlock meeting.