2-line operation; caller id; call waiting; entry removal button; memory match ; voicemail waiting indicator; dsl compatible--requires splitters/filters; receiver/speakerphone/headset volume control; clear speak(r) dial-in base speakerphone; flash; hold; mute; line status indication; programmable pause; on-hook dialing; wall mountable; 3-party conferencing; chain dialing; data port; 18-number speed dial; 100-name/number phonebook; 99-name/number caller id history; last 5 number redial; ringer volume control; eng/sp voice prompts; rohs compliant; power failure option;