Got the Magic jack & thought everything was fine, until freinds let me know they were receiving a recorded message saying call cannot be completed as dialed. Turns out, I can't receive local call from anybody using Frontier. {our local landline carrier}. When I finally got somebody in their tech dep't., he told me I would have to take it up with Frontier. He also told me it wasn't their responsibility when I asked if they should make the call. Also, it slowed my computer's performance down dramatically. We have one... read full review »