Teams Lobby
Meeting organizers can adjust the Lobby settings for Meetings in Teams.
The Lobby is a waiting room where certain participants are held before they are allowed to join a meeting in progress.
The default setting is that the Lobby is bypassed, so anyone with a meeting invitation can join.
- 1 Scheduled meetings
- 1.1 Calendar
- 1.2 Invitation
- 1.3 Meeting in Progress
- 1.4 Instant meetings
Scheduled meetings
There are three different ways to get to Meeting options for a scheduled meeting.
Calendar
In Teams, go to Calendar
, select a meeting, and then Meeting options.
Adjust the setting for "Who can bypass the lobby"
Invitation
In a meeting invitation, select Meeting options.
Meeting in Progress
During a meeting, select Show participants 

Instant meetings
Once you've started a meeting by selecting Meet now 
Choose Show participants
in your meeting controls. You'll see a list of everyone in the meeting.
Above the list, select Manage permissions
to go to Meeting options.