Navigator Key 24 programmable keys (fixed terminals) Soft keys/LCD prompts Directory dial key: Navigation cursor 4-line display Backlit dial pad Full-duplex speakerphone Adjustable legs Built-in wall-mount * 9-Ft Handset Cord 7-Ft Base Cord Headset jack Connector for 8-Button Line Key Assembly Connector for (1) optional Adapter (APR, ADA, BHA, BCA, or BCH) *24-Button models are equipped with (24) Programmable Function Keys and (10) Fixed Feature Keys.