as of now, there is no solution....
please keep an eye on this tread, as we are working on a solution to bypass (if possible) the rotating password game.
I have the exact same problem. The incoming calls all seem to go straight to voice mail and my phone never rings. I've plugged the magic jack usb dongle into the computer and the phone rings fine. However if I use the PAP2T, I can dial out perfectly, but I have no inbound calls.