3
If you decide to press „Deny All“, the caller will be placed on
the deny list and will always be denied automatically. If “Deny All” is not
displayed, this means that it is switched off in the settings. You can enable
it again via the web interface.
Adjusting the volume
While conducting a call, you can use the arrow keys to invoke the
volume control.
Key mapping:
Reduces the volume in steps.
Increases the volume in steps.
Sets the volume and returns.
Returns without setting the volume.
Mute / Unmute
Sometimes during a call the user may want to mute the
microphone. This can be done by pressing the function key “Mute”. Press
“Unmute” to re-enable the microphone.