Broadcast messages around the property. Deliver messages to user rather
		than user having to seek message from a display
		Speech synthesis or user recorded spoken messages
		Sound prompts, tunes and annunciations e.g. doors opening and closing
		Hand free communication to the whole property or between rooms, or
		multiple rooms
		Automatic feedback prevention avoids howl between adjacent intercoms
		Baby monitoring from any room to any room
		Shutdown specific intercoms at night so that occupants are not disturbed
	(click on thumbnails to enlarge)