۵۰# Caller ID history ۳# One-touch memory buttons ۹# Speed dial buttons Speakerphone ۳-Line adjustable contrast LCD Redial/flash/mute Power failure operation No batteries needed Receiver/speakerphone volume control Ringer volume control Display dial Digital answering machine ۱۹ Minutes of record time Call screening/intercept Remote access Toll saver Audible message alert Memory monitor Time/day stamp Message guard memory for power failures Voice prompts Memo Wall mountable AC power adapter included required