SL1100 12-Button Full Duplex Tel (Black)Digital 12 Button Black Proprietary TelephoneBacklit 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