Key Features Include: Two lines with conference key - conference both lines for a meeting, Call display with visual call waiting - lets you see who's calling before you answer, Speakerphone with mute, Headset compatible, 7 programmable memory keys offer 14 autodial positions for quick access to features or frequently called number, Three line adjustable backlit display - shows,name and number and other helpful information, 100 name and number directory, 100 name and number callers list, Multi-function indicator light, Compatible with Centrex, PBX or standard telephone service, Provides basic telephone service in the event of a power failure