Avaya Universal Door Phone Controller w/spk.V-5324-001

The door phone controller for Partner door phones provides voice communication between your telephone system and the door phone speaker.  It controls remote door unlocking (with optional customer-supplied and customer-installed electromechanical strikeplate).  It has door ajar/detect notification capability when used with a customer-supplied and customer-installed door switch. Includes controller and volume control door speaker.  Push button activation.  Stainless steel faceplate and tamper-proof screws.  Weather-resistant enclosure for indoor/outdoor use.  Mounts to virtually any surface or flush mount.