> You can do whatever you want of course, but perhaps consider just trusting me when I say if this was as simple and effective as you put it, it would have been

> You can do whatever you want of course, but perhaps consider just trusting me when I say if this was as simple and effective as you put it, it would have been done by now. > > > Don't forget that every telco would lobby against this, and they are some of the most well-connected enterprises around. Oh, you already covered the reason I think this actually hasn't already been done.