The AT&T DLP733510 DECT 6.0 5-Handset Cordless Phone offers unparalleled range, Bluetooth connectivity to your cell phone, and a smart call-blocking feature, ensuring that you won't be disturbed by unwanted calls in the middle of the night or during important conversations. Robocalls are automatically blocked and you can also permanently blacklist any number with a single touch. The Bluetooth Connect to Cell technology allows you to seamlessly receive calls and access your smartphone's features from one home phone system. With just a touch of a button, you can access Siri or Google Now, even if your phone is in another room, and perform tasks such as making calls, writing or reading texts, and more.