From Bright Pattern Documentation
How to Mute a Call
To mute call, follow these steps:
- Click the Mute button once to mute the call. The Mute button will change its appearance to and the same mute status icon will appear next to the call timer in the Active Communications List.
- Click the Mute button again to unmute the call.
You can also use the Alt-X keyboard shortcut/hot key to mute/unmute the microphone.