Codephone KX-T918 Features: Door panel connects to an analogue extension of any PABX system with lighted Keypad and allows door opening from any extension of the PBX, or by code.The door panel allows for direct extension dialing from the keypad. Silver or Bronze shade Anti vandal aluminum panel with metal push button and camera availability. Flush Surface mountinstallation Voicesource are the sole importers of the Tador range of doorphones.