Easily find and share content, track action items, and take notes and recordings—all from within Teams, on any device. Use these best practices to facilitate collaboration before, during, and after a meeting.
Although default participant settings are determined by an org's IT admin, the meeting organizer may want to change them for a specific meeting. The organizer can make these changes on the Meeting options web page.
As an admin, you use Teams meetings settings to control whether anonymous users can join Teams meetings, customize meeting invitations, and if you want to enable Quality of Service (QoS), set port ranges for real-time traffic. These settings apply to all Teams meetings that users schedule in your organization. You manage these settings from Meetings > Meeting settings in the Microsoft Teams admin center.
https://docs.microsoft.com/en-us/microsoftteams/meeting-settings-in-teams
While the default meeting options should work for most meetings, meeting organizers may need to adjust some of these settings to fit their needs on a meeting-by-meeting bases.
https://www.uvm.edu/it/kb/article/microsoft-teams-meeting-options/