When I got one of these this a couple of years ago, it failed to connect because I had previously got BT to block premium rate numbers. I don't know if you have that option in the US, but it saved me a fortune!

The kids never told me that they could no longer connect, and when I found out, it took a lot of work to get rid of it. BUT it also flashed my modem chip to stop the sound on dial-up, and I have NEVER managed to get that back.