Mute microphone
From Zenitel Wiki
In ICX-AlphaCom there is no standard feature for muting the microphone during a call, while keeping the loudspeaker active.
This article describes how you can configure a DAK key to toggle "Mic mute" on and off. If the station DAK key has a LED (e.g. CRM-V station), the green LED will be lit when muted.
In AlphaPro, select Exchange & System > Events, and Insert an event with the following properties:
Action commands:
IF %op(%sev,=,1) stop ENDIF $SM L%1.dir L%2.dir U40 NM11 GV U0
