Don't want to hear the beeps in your meeting? Notifications are off by default, but you can turn them on at any time and even choose what sound to play. Notify people when you've joined or left a meeting. You can even have a sound play when you raise your hand.
To turn on entry or exit notifications in a meeting, do one of the following:
In the Notification section, under Participant action sounds, check the check box next to one of the following:
Select the desired notification sound from the drop-down and then close the window.