The Avaya 9621G IP Telephone offers power users a sophisticated business tool that is cost effective. The 9621G features a 3.7″ x 2.1 color display, Touch Screen, Adjustable, tilting display, Speaker, Mute, Volume, Headset, Contacts, Home, History, Message, Forwarding, Volume & Phone buttons, and has separate volume adjustments for handset, speaker, ringer & headset