Key Features: Works with 265 pieces of call buttons, and stores recent 30 calling information. Works with one-key and multi-key call buttons, can show the service types of multi-key buttons. Can set-up the automatic periodic display (0-99 seconds), and automatic calling cancel (0-99 seconds). Reminder: 7 string musics or Chinese languages. Stand-by status: show the clock time. Can input several call buttons in one calling number: if the call button is stored before, and it will be stored with another number, the call button will be stored in the latest number without repetition.
