Caller ID & Call Waiting; Entry removal button; Memory match ; Voicemail-waiting indicator; DSL compatible–requires splitters/filters; Receiver/speakerphone/headset volume control; Clearspeak(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 phone book; 99-name/number Caller ID history; Last 5 number redial; Ringer volume control; Eng/Sp voice prompts; RoHS compliant; Power failure option;