I'm pretty sure NVG stands for 'Not Very Good'. I have had several problems with ATT hardware over the years and a few times, actually reached someone in tech support who had a clue. Their stuff doesn't seem to like playing with others and having "custom" setup beyond opening ports.
Have you started with the two addresses that are most important, save it and then reserve the rest?
My mechanic told me, "I couldn't repair your brakes, so I made your horn louder."
