AT&T SYNJ™ SB67148. 4 Line Cordless Deskset. . . Extend your communication range up to a half a mile and reach your employees faster. DECT 6.0 digital technology creates a crystal clear signal and provides the highest security of any cordless phone on the market. Connect to 10 handsets with just one push of a button thanks to our cutting-edge Push-to-Talk (PTT) functionality. Reliable?and?trusted?AT&T-branded?business?phone?system.. 2-Year?Warranty?and?Advance?Replacement?Program.. Hassle free just what you want and is easy to set up use and manage. Delivers big business impressions without the cost or complexity of a traditional system. Allows your employees to be productive even away from their desks. That?s the power of the AT&T SynJ? business phone system.. . . SB67148