Digital AT&T ML17939 2-Line with Speakerphone & Answering System, Black

2 phone lines help you organize your calls Use 1 line for personal calls and 1 for business. Or separate calls between 2 areas of your small business. Built-in answering system records up to 12 minutes of messages per line. Base speakerphone lets you put the receiver down and talk hands-free. Caller ID/Call Waiting lets you know who's calling before you pick up. 18-number speed dial saves you time and effort. ENERGY STAR certified - meets federal guidelines for energy efficiency. Energy efficient - designed to use less energy than alternative products, potentially helping you save money and reduce your carbon footprint.