Here is a small list with knowledge about phreking: - an excellent reviel of bluboxing history with many documents - a similar project, where Asterisk PBX understands bluebox's tones, includes bluebox hardware plans - CCITT #5 at Wikipedia, includes download link to the specification - Cap'n Crunch, one father of blueboxing tells us his story - a nice documentation by discovery channel - the software that supports Signalling System No. 5 - just in case, if you like to know more about me: my homepage
- and the impressum