DoorKing 1812 Plus Telephone Entry System

DoorKing 1812 Plus Telephone Entry System - Enhanced Communication Solution The DoorKing 1812 Plus builds upon the Classic model with upgraded features including high-fidelity digital voice circuits, enhanced volume control, and expanded calling capabilities. This system transforms your existing phone line into a sophisticated entry management solution without requiring additional phone lines. Enhanced Features Over Classic Model High-fidelity digital voice circuit Improved volume control Lighted push-button 27 programmable call-out numbers (vs 3 in Classic) 5-digit entry codes (vs 4-digit in Classic) Answer machine bypass feature 10 temporary entry codes with date restrictions Communication Features Hands-free, full duplex digital audio Crystal clear voice quality Distinctive double ring for visitor calls Built-in call waiting Call forwarding with time zone restrictions PBX/KSU phone system compatibility Do-not-disturb feature Access Control Capabilities Controls up to 2 entry po