While you're on a call or in a meeting, select at the bottom of the meeting window. You'll know it's working when the button turns red, .
If you want to unmute yourself, select . Others can hear you when the button turns gray.
If you're connected to a Cisco headset, you can also mute or unmute yourself from the headset. For more information, see Make and Answer Calls using the Cisco Headset 730 or Use Your Cisco Headset 500 Series.
Webex Teams | Mute Yourself in a Meeting or Call
No one wants to hear background noise in a Webex Teams call or meeting. You can mute yourself so that everyone can concentrate on what's being discussed.