See also:

Compatibility
If this symbol is printed on the packaging or in the instructions of the system to be controlled, the system is generally compatible compatible with the integrated universal remote control. ...

General information
The sound settings are stored for the remote control currently in use. ...

Switching the microphone to mute
When a call is active, the microphone can be muted. 1. "Telephone" 2. "Active calls" 3. "Microphone mute" A microphone that has been switched to mute is automa ...