A PBX (Private Branch eXchange) is an in-house phone system characterized by messages such as, "Press 1 for Sales, 2 for Service...". PBXs are hacked at a total annual loss of $5 - $10 Billion! This manual exposes most issues relating to PBXs, including effective countermeasures! Topics include: the Scope of PBX crime, Intro to PBX systems, Computer-based PBXs, PBXs and WATS, Benefits, 3rd Party Frauds, 800 Exchange list, PBX phone list. Consider that the Aug 3, 1992 Forbes Magazine, "For Whom the Bells Toll" article on PBX hacking devoted an entire half-page to only one PBX hacking expert - John Williams of Consumertronics! When it comes to hacking and phreaking, we clearly are the best! Sold for legal educational and entertainment purposes only.
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