X16 Small office phone system is an easy to install Digital small office telephone system that comes equipped with the X16 Voice Server and four 6 line X16 Digital speakerphones in the fashion color- Red Mahogany. These economical phones are attractive and stylish. "Eye Catching" backlit blue LCD display, along with blue and green vivid light LED"s. Ships to work with up to 4 phone lines and expandable to up to 6 phone lines. Comes with 4 telephones but expandable up to 16 telephones. Has an automated receptionist to answer and process calls, 4 voice mail ports with 2 hours of message storage, busy telephone indication, CO line call pickup, extension call pickup, express conference, direct mailbox transfer, music on hold. internal and external, personal voice mailbox, one touch record, memo record, call forward to voice mail, external or trunk to trunk, hot dial pad , all call page. Easy to install. Value priced compared to other phone systems.