* 24 Button Speakerphone Telephone One Line Backlit LCD Display Speakerphone 24 Programmable Buttons 12 CO with LED & 12 Personal/Feature 10 fixed buttons for Intercom, Conference, Program, Voice Mail, Pause, forward / Do Not Disturb, Flash/Recall, Auto Answer/Mute, Auto Dial/Store And Redial) plus 3 large buttons for Hold Transfer and Speakerphone Navigation Key for Volume Display Contrast and Function Selection Wall Mountable