Experience the best in long-range coverage and clarity, provided by a unique antenna design and advances in noise-filtering technology. Smart Call Blocker. Robocalls on your landline are automatically blocked from ever ringing through—even the first time. Make and receive calls from your cellular plan while enjoying the comforts of a home phone. Pair up to 2 cell phones and connect 2 cell phones or one cell phone and one BLUETOOTH headset for use with landline calls. Digital answering system – with 22 minutes of digital recording time.