Flash (100/300/600 mSec), Hold with Indicator, Redial, Pause, Mute with Indicator, Desk/Wall Mountable, 2.5 mm Headset Jack, Speakerphone, Caller ID/Call Waiting (Memory for 50 Calls), Wide Angel, Adjustable LCD, Voice Mail Indication (FSK/Stutter/90V/24V), On Hook Pre-dial, Directory Button (Save up to 99 Names & Numbers), Five One-Touch/15 Two-Touch Speed Dial, Programmable Flash Time (100/120/300/600 mSec), Handset Receive Volume Control (8 Levels), Programmable Ring Cadence (5 Positions), Programmable Ring Volume (4 Levels/Off), Data Port, Headset Button, Release Button, 7-10-11 Button, Contrast Button, Three Languages English/French/Spanish), Programmable Area Code, Programmable LDS Code, Programmable PBX Access Code, Programmable VIP Alert, Clock, Call Timer, 7.5V DC Adaptor