I bought Magic Jack after seeing an advertisement on the Internet. It worked allright at first for about 3 Weeks then It started not Ringing the Phones at the other end when I made calls. Then one day I started Magic Jack and all of a sudden this Message would come up, Warning: Must Plug Magic Jack in USB Port, It was in the USB Port and My computer even Recognized it. After going back and forth on the Instant Messenger trying to talk to Technical support for a few days trying to get it to work, They sent me a replacement Magic Jack. the Replacement got the same Message. I finally had to go back to Vonage. read full review »