
DoorKing 1812-089 Plus Surface Mount Telephone Entry System
CLICK HERE FOR BROCHURE CLICK HERE FOR MANUAL DoorKing 1812-089 Plus Surface Mount Telephone Entry System The 1812 Plus is an updated version of the 1812 Classic and features an upgraded processor, a new high fidelity digital voice circuit, better volume control, a lighted push-button and additional call out telephone numbers (up to 27). This unique communication and access control system allows homeowners to use their existing telephone as an intercom to speak with a guest at a door or gate and is ideal for those applications requiring a basic, single door or gate, access control solution. Features Call waiting. Call forwarding with time zone restrictions. Unique double ring. Built-in clock / calendar. Do-not-disturb feature. Four "hold open" time zones. Answer machine bypass feature. 50 5-digit entry codes with time zone restrictions on some codes. 10 Temporary entry codes with start and end dates. Intercom mode for use with PBX and KSU phone systems. Camera ready. Connects dire