DESC: This AT&T four-line speakerphone will easily meet the demands of your home office / small office. Whether you are setting up a new phone system, or adding on to an existing system using AT&T 944's, 955's or 964's, the AT&T 984 Small Business System 4-Line Phone with Speakerphone, Intercom, Call Waiting Caller ID and Digital Answering System will let you sound like as big and professional as you'd like for a very reasonable price.