On approximately January 15 I called AT&T to change the code for my long distance carrier as requested by Power Net Global. Today on February 20th I received a bill from USBI through AT&T that is charging me $1.71 per minute for every call I made between Januray 15th and February 5th. I did not authorize USBI, nor did I even know they existed. I have talked on the phone for over two hours with AT&T and Power Net Global. AT&T is saying that I have to contact USBI for whom they have no phone number, nor was there a phone number... read full review »