12 Programmable Line Buttons Jog Dial Control Extra Device Port (XDP) Jack Automatic Redial Redial Key Speaker Phone Key with LED Auto Answer Mute Key Auto Dial Store Key Message Key Jog Dial Volume Control (Handset, Ring and Speaker) Intercom/Conference Key Forward/Do Not Disturb (DND) Key Program Key Pause/Transfer Key Headset Compatibility Wall Mountable