AT&T 17939 2-Line Corded Speakerphone with Caller ID & Digital Answering System

Caller ID/Call Waiting; 99-name & number Caller ID history; Digital answering system records up to 12 min of incoming messages, outgoing announcements & memos; Time & date stamp on messages; Remote access with Toll Saver; Voice prompts; Memo recording; Call screening; Call intercept; ClearSpeak(R) dial-in-base speakerphone allows speaking & listening without holding handset; 100-name & number phone book directory; Line status indicator; Auto line selection; 3-party conferencing; 18-number speed dial; Headset compatible (2.5mm jack); Display dial; Selectable ringer tones; Receiver & speakerphone volume control; Chain dialing; Data port; Hold; Mute; En/Sp/Fr setup menu; Ringer volume control; Hearing aid compatible; Includes handset with cord, charger & batteries;