Here is a smart device that lets you use your smartphone as your home phone. The Renny HOME is a smartphone ringer that works with your existing cellular service to alert you when you have new messages. You won’t miss any calls even if your cell phone is on silent. Renny connects to two smartphones when within 200 feet. It supports voice commands.
The Renny Home device helps you find your phone and answer your calls conveniently. It does not require a monthly fee to work. The battery life lasts up to 10 hours. It even has a USB charging port. Sets you back under $140.