With up to 22 minutes of recording time, the VTech CS5129-4 DECT 6.0 expandable cordless phone with answering system and caller ID grabs calls when you can’t. 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 who’s on the line even in the dark. Call block up to 20 of those unwanted telephone numbers.