This little device is designed to connect any landline phone to a cellphone. You’ll plug your home phone into Cell2Jack’s phone port and plug Cell2Jack’s other end into a USB port.

It costs $20 to port your landline number to Google Voice -- but you'll have to move it to a mobile carrier before you can do that. Screenshot by Rick Broida/CNET ...

Using Virgin's new SmartCall app, customers can tap into landline minutes to make calls from their smartphones when connected to Wi-Fi.

While cellphones allow us to stay tuned into world events, text friends, use a flashlight, play a game and stay generally stay entertained, making phone calls is often at the bottom of our regular ...