AT&T 1070 4-line Operation Corded 4-line telephone with base speakerphone, caller ID/call waiting Additional Features: Chain Dialing Rapid Scroll Memory Loss Protection Auto Line Selection Hold Do Not Disturb Auto Redial Last 6 Number Redial Mute 2 Data Ports Power Failure Operation of all 4 Lines English/Spanish/French Setup Menu Flash Hearing Aid Compatible 4-Line Caller ID/Call Waiting Capability* 200 Name/Number Caller ID History New Call Indicator Visual Message Waiting Indicator Remove Button Display Dial Speed Dial Memory: 32-Number Speed Dial Caller ID Memory: 200 name and number caller ID history Display Features: Large, Blue-Lighted Display Connections: Headset Compatible (2.5mm jack) Dimensions: 8.8 x 5.4 x 7.6 Weight: 2.5 lbs.