ExCode Audio Door Unit w.keypad

Connected as a PABX extension.
Flexible Ext. / Group to ring when pressing the button.
Programmable door open relay time
AC 12V outlet  to open door.
Follow me option - the door call can redirected to any telephone number.
Day / Night mode - configure which ext. will ring at the day / night hours.
Electronic ringing on panel, while telephones at home are ringing.
Additional button to open the door from inside the office.
50 different codes for door open.
Direct dialing to any ext. by the keypad