A while back, we warned you about the “one ring” scam. That’s when you get a phone call from a number you don’t know and the call stops after just one ring. The scammer is hoping you’ll call back, because it’s really an international toll number and will appear as a charge on your phone bill — with most of the money going to the scammer. Well, the scam is back with a vengeance and the FCC just issued a new advisory about it. Read the FCC’s advisory for more detail, but the advice from both agencies remains the same if you get one of these calls: