Vtech DECT 6.0 Expandable 2-Handset Cordless Phone System with Digital Answering Device and Caller ID (CS6229-2) Vtech DECT 60 Expandable Two Handset Cordless Phone System with Digital Answering Device and Caller ID Expandable up to 12 handsets using only one phone jack Caller ID / Call Waiting Digital Answering System Handset Speakerphone