I had TWO problems hooking up magic jack, ONE was it is NOT compatible with Music Match Jukebox player (which i had on my system) and it wouldn't go through my firewall, those were my two installation problems. Once i deleted Music Match jukebox and opened up my firewall, it was as simple and plug and play and i was up and running in NO time. I took the two year plan of $30 for each YEAR and i am able to make international calls through my computer using a regular cordless phone. If this company goes bankrupt tomorrow, i still would have got my money out of this system. —  I… read full review »