Use any magicJack or magicJack Plus dongle phone adapter with Google Voice and a regular phone for free fully featured landline style home phone service in 3 easy steps: 1. Plug any expired/used/new magicJack or magicJack Plus dongle telephone adapter into the USB port of a computer. 2. Download and install the "GVJack" App program. 3. Sign in using any Gmail e-mail account and password. When you hear your phone ring it is ready for you to start placing FREE phone calls. If you want to revert to use your magicJack in its original form, just close the "GVJack" App program and unplug your magicJack and plug it back in again.