Nút nhấn gọi bằng giọng nói AIPHONE LE-AN –       Single call audio only interior sub station with privacy button for use the LEF/LAF masters. The privacy button will prevent the master from listening to the sub station when engaged. –       Máy con giao tiếp với máy chủ LEF3.E, LEF5.E hay LEF10.E. –       Gồm 1 nút CALL, 1 nút Privacy, loa. Features –       Privacy feature blocks unwanted monitoring from master. –       […]