AT&T CORDED PHONE 2 HNDSTSPEAKERPHONE,CID, ITAD2-line operationFully integrated digital answering system; up to 12 minutes of digital recording time for each lineAutomatic line selectionClearspeak dial-in-base speakerphone Chain dialingConference capabilityCaller ID Displays on Handset(s) and Base Call Screening/intercept; memo recording; message time/day stamp; remote access 18 Number speed dial; 99 name/number caller ID historyENERGY STARĀ certified; RoHS compliantEnglish/Spanish/French setup menuHeadset compatible (2.5 mm jack)Hearing Aid compatible1 year limited warranty3-party conferencingData portHold; mute; voice promptsLine power mode--for use; line status indication