Talk:2600 hertz
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I changed: In order for blue boxing to work, the initial call must be made across an interoffice MF trunk, so local calls (those which originated and terminated on the same switch) wouldn't work. By placing a call to a distant toll-free number, interoffice trunks could be involved but no billing was incurred. Using a blue box during a toll-free call would allow the user to call anywhere for free. Cracking the phone system became a hobby for some in the mostly under-20 set who came to be known as phone phreakers.
to
In order for blue boxing to work, the initial call must be made across an interoffice MF trunk, so local calls (those which originated and terminated on the same switch) wouldn't work. By placing a call to a distant toll-free number, interoffice trunks could be involved but no billing was incurred. Using a blue box during a toll-free call would allow the user to call anywhere for free. Cracking the phone system became a hobby for some who came to be known as phone phreakers.
because there is no citation to support the fact that phreaking was "mostly" the under-20 crowd. Cornlad 19:55, 9 August 2006 (UTC)
