Introducing the intelligent telephony solution for small business. The SBC-420 boasts a long list of features usually found only on expensive business telephone systems... things like: call waiting caller ID, a 200 name & number directory, a great sounding 2-way speakerphone, one station / all station page, and much more! The SBC-420 can accommodate up to 4 lines and is expandable up to 12 stations, so it's geared to meet the needs of today's busy and demanding small businesses.