VTech CS6429-4 4-Handset DECT 6.0 Cordless Phone with Answering System and Caller ID, Expandable up to 5 Handsets, Wall-Mountable, Silver/Black DECT 6.0 Digital technology Caller ID/Call Waiting*stores 50 calls Handset speakerphone Backlit keypad and display Expandable up to 5 handsets with only one phone jack