Additional Details ------------------------------ Product description: The Panasonic KX-T7636 is a Digital Proprietary 24-Button Telephone with 6-Line Backlit LCD and Speakerphone. Feature: * 6-line x 24 character Caller ID LCD with backlight * 24 Programmable CO keys with dual color LED (optional 12 CO key add-on) * Full Duplex Speakerphone and Volume control * Whisper off-hook Announce and OHCA * Navigator key * Hands-free speakerphone * Large message/ringing lamp (red/green) * Digital XDP (eXtra Device Port) Jack * Headset jack * 24 Button LCD Proprietary Speakerphone * Titlt-Angle Adjustment * Part Number: KX-T7636 * Optional 12 Button Add-on Module KX-T7603 * Optional 60 Button DSS Console KX-T760 Compatibility * Compatible with Panasonic KX-TDA50G, KX-TDA100, KX-TDA200, KX-TDA600, KX-TDE100, KX-TDE200, KX-TDE600, KX-NCP500, KX-NCP1000 Business Phone Systems