Many years ago I worked for a VOIP provider. The most expensive frauds that we detected was calling special service in remote place of the world like Tristan de Cunha, Nauru, Falkland or Buthan. Something like 50$ for minutes and 10$ at the response.
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Many years ago I worked for a VOIP provider. The most expensive frauds that we detected was calling special service in remote place of the world like Tristan de Cunha, Nauru, Falkland or Buthan. Something like 50$ for minutes and 10$ at the response.