122000TP227S 2Line CID Business Tel. Flash (100/300/600 mSec)Hold with IndicatorRedialPauseMute with IndicatorDesk/Wall Mountable2.5 mm Headset JackSpeakerphoneCaller ID/Call Waiting (Memory for 50 Calls)Wide Angel, Adjustable LCDVoice Mail Indication (FSK/Stutter/90V/24V)On Hook PredialDirectory Button (Save up to 99 Names & Numbers)Five OneTouch/Five TwoTouch Speed DialProgrammable Flash Time (100/120/300/600 mSec)Handset Receive Volume Control (8 Levels)Programmable Ring Cadence (12 Positions)Programmable Ring Volume (4 Levels/Off)Data Port on Line 2Headset Button, Release Button71011 ButtonThree Languages (English/French/Spanish)Programmable Area CodeProgrammable LDS CodeProgrammable PBX Access CodeProgrammable VIP AlertClockCall Timer7.5V DC Adaptor