Corded; Caller ID/Call Waiting; 200-name & number Caller ID history; Large, blue-lighted display; New Call/Message Indicator; Compatible with as few as 1 and as many as 4 telephone lines; 4 lighted line indicators; Power failure operation on all 4 lines; Auto line selection; 3-party conferencing; 32-number speed dial; Headset compatible (2.5mm jack); Selectable ringer tones; Rapid scroll; DSL compatible (splitters/filters not included); Receiver & speakerphone volume control; Chain dialing; Data port; Hold; Mute; Auto redial; Last 6-number redial; En/Sp/Fr setup menu; Ringer volume control; Hearing aid compatible; Expandable to 16 stations with AT&T(R) models 1040, 1070 & 1080; Includes handset with cord, charger & batteries;