AT&T 945 4-Line Intercom Speakerphone

Perfect for now - and later! System expands to fill future needs4 lines for big business capability.Need some room to grow System is capable of handling up to 4 distinct phone lines, so you can add on as your business expands.Expandable up to a total of 16 stations.Once you have this station, you can add up to 15 more (sold separately) as your business grows. Each additional unit requires its own phone jack and AC power outlet.32-number speed dial for speed, efficiency.No more looking up numbers! System allows you to store up to 32 numbers in its "phone book" memory - so dialing frequently called numbers can be done quickly and easily.Speakerphone lets you do 2 things at once!Carry on a conversation while working on the computer or looking for the file youere talking about. System is headset and hearing-aid compatible for added convenience. Volume control on speakerphone, handset and headset lets you adjust the volume to a level that is most comfortable for you.3-party conferencing - meetings made simple!Scheduling a meetings as easy as dialing numbers. Conference feature lets you include up to 2 outside parties on your line - quickly and easily. Other features include paging, intercom, call transfer, hold, mute, flash and do-not-disturb.Spacious, backlit LCD is easy to read.Large LCD is backlit for easy viewing, even in a dark room.2 data ports add functionality to system.Get 3 machines in one! The stations 2 auxiliary jacks allow you to plug in up to 2 external communication devices - so you can operate a fax, modem or answering machine via your phone.Battery backup available in event of power outage.When the power goes out, battery backup allows all 4 phone lines to operate (battery sold separately). Memory loss protection saves your programming and directory entries, so you do not lose them all when the power fails.Compatible with AT&T models 944 955 964 974 and 984 for flexibility.