01.Display a group of three-digit, and also the room number and table number (or bed number), with voice reporting function * 02.Each pager can set different chord music. Twelve beautiful chord music * 03.With a 300 call extension, it can be displayed in English or figures * 04.The display time length of the call number can be set arbitrarily.Length of call sound can be selected * 05.With time display function