Be careful calling back. I had a friend who called back what turned out to be a Wangiri Scam http://www.three.co.uk/hub/earth-wangiri-scam/ http://www.three.co.

Be careful calling back. I had a friend who called back what turned out to be a Wangiri Scam http://www.three.co.uk/hub/earth-wangiri-scam/ http://www.three.co.uk/hub/earth-wangiri-scam/ The call-back cost him ~$4 in long distance charges.