With up to 22 minutes of recording time, the VTech CS5129 DECT 6.0 Expandable Cordless Phone with Answering System and Caller ID grabs calls when you cant. The system also features a full-duplex handset speakerphone, which allows both ends to speak and be heard at the same time for conversations that are more true to life. Caller ID entries display on a large, backlit LCD screen so you can see whos on the line even in the dark. Using DECT 6.0 technology, the VTech CS5129 DECT 6.0 Expandable Cordless Phone with Answering System and Caller ID gives you private, interference-free sound from any room in your home. Plus, the lighted display indicates how many new messages you have waiting. Add up to four accessory handsets in minutes with just one phone jack.