GE 28128EE2 Dect 6.0 Series Cell Fusion Phone DECT 6.0 Interference Free Technology  Digital wireless technology providinginterference free, encrypted security. Cell Fusion  Use your Cell Fusion phone to make and receive home and cellcalls. Take advantage of using your cellular plan with the comfort and ease ofyour home phone. Call-Waiting Caller ID1 with 40 Name and Number Memory  Display showsname and number of incoming call even if youre on the phone with anothercaller. Memory holds information for the latest 40 calls. Digital Answering System with 3 Mailboxes  Allows callers to leave separatemessages for individuals. Permits users to check only their personal messageswithout having to go through all messages. Expandable Up to 7 Handsets  Use up to 7 handsets with base system andplace in multiple rooms. Just plug extra handsets into power outlets. Only 1 phone jack needed. (Handsets sold separately.)