Flush mount hands free audio intercom. All buttons use capacitive touch sensor technology, 4 of these buttons have multiple direct functions such as “answer/end conversation/recall/simplex conversation”, “door open”, “privacy/call reject/programming menu access” (programmable duration) and “service” button. 4 LEDs give visual indication of operations while the other 4 buttons allow navigation of the programming menu’s and the setting of volumes. It is possible to program the melody (9 available), the number of rings (max 9) and the privacy service duration (max 20 hours). Also includes a local bell function.