Hacker made calls worth ..10,000 of premium-line bills. Dariusz Ganski used a router to tap into BT phone boxes and made hours of calls. 27-year-old committed crimes to get credits for music and on-line games. Ganski jailed for 18 months at Bristol Crown Court after being found with two laptops and mobile phones. He was still on licence from prison for almost identical offences when he committed his crimes, court heard. He made 648 calls, totalling nearly 43 hours, from a phone box in Kelston, Somerset.
Source: https://thehackernews.com/2012/06/hacker-made-calls-worth-10000-from.html