Here is another smart expandable phone that lets you block annoying calls. The AT&T CLP99387 DECT 6.0 Phone comes with a digital answering system that can record up to 22 minutes. It also has a caller ID recorder for the past 50 numbers. The smart call blocker feature allows you to record up to 1000 names and numbers.
With Bluetooth Connect to Cell tech, you can receive both landline and cell calls or access Siri or Google Now. Up to 12 accessory handsets can be added.