After doing some researching, I found out the following:
In order to register your "Magic Jack Plus":
"In order to register your device you need to first connect it to your computer directly via the usb port, you can not register device if its connected to the router.... "
For installation instructions on the Magic Jack Plus go to
The process of plugging the "Magic Jack Plus" directly into the router (Option 2) simply allows the user to turn off their computer. It does not mean the the "Magic Jack" can be run without a computer and internet in the house.