On a planet that holds more cellphones than people, it might be hard for some to imagine anyone still has—or uses—a landline.

Using a cellular carrier to provide service to regular phones in the home. A small base station is placed in the best location in the home to receive cellular signals, and an ordinary analog phone ...

I know my own cell phone number by heart as well as my wife’s number. I can also sing a certain Jenny’s number thanks to ...