SL1100 24-Button Full Duplex Tel Black- Digital 24 Button Black Proprietary Telephone- Backlit 3 line, 24 character display- 2-Step adjustable angle- Programmable keys with red/green LEDs- Backlit dialpad- 4 Soft keys- 9 Fixed feature keys- Navigator key- Headset port- Full duplex speakerphone- 20 number personal directory- 1000 number system/group directory- Dual-color call indicator lamp- 8 Selectable ring tones- Power saving sleep mode- Do not disturb- Call forwarding- Mute- Flash- Hold- Headset jack- 9 Foot handset cord