• DECT 6 • 0 8-Line Cordless Handset is a part of the RCA fully plug-and-play 8 Line x 25 Station Digital Business Phone System • Simply connect to the system"s 8-line Corded Business Phone (sold separately) that is plugged into RCA Router/Gateway, another part of the Digital Business Phone System • The router (sold separately) automatically configures the phone base station as it is added to the network • Handset allows you to answer or initiate calls on any or all of the eight lines • Handset offers easy-to-navigate, soft key interface • Calls to your extension are automatically routed to the cordless unit