The Panasonic KX-T7731 is a full feature display speakerphone. The Panasonic KX-T7731 has 24 programmable buttons. The KX-T7731 has a large message waiting light and a built in headset jack. The panasonic KX-T7731 has a 1 Line LCD backlit display.
Compatible with all KX-TA, KX-TD, and KX-TDA phone systems
24 Button Speakerphone Telephone with Backlit Dialpad and LCD Display in Black
1-Line, 16 character backlit LCD Display with contrast
Programmable Buttons: 24 (12 CO and 12 Personal/Feature)