New Call/Visual Message Waiting Indicator Memory Loss Protection Remove button 2 Data Ports 200 Name / Number Caller ID History 200 Name/Number Directory Auto Redial & Last 6 Number Redial Chain Dialing & Programmable Pause Digital Receiver, Speakerphone, & Headset Volume Control Do Not Disturb Headset Compatible Hold Rapid Scroll Remove Button Selectable Ringer Tones 1 to 4 Line Capability 3 Party Conferencing 32 Speed Dial and 16 Intercom Number Locations 4-Line Caller ID/Call Waiting Capability 4-Line Lighted Display Auto Line Selection Expandable to 16 Stations Mix & Match with AT&T Models 945 and 984 Page, Intercom and Call Transfer between Stations Power Failure Operation for all 4 Lines(Requires a Charged 9V Battery) Color: Blue