Week 1
Phone Phreaking Phreaking is a way (art) of hacking the telephone network. It began its history at the turn of the late 1960s and early 1970s. The thing is that in that times telephones used special sound signals of certain frequencies in their systems for managing calls. For instance, one particular beep could switch the line. Firstly it was discovered by John Draper, who drew attention the gift whistle, which was placed in cookies packages. He saw that this whistle produces sound the same tone as the sound telephone company used to switch lines. The practical usage was in free calls, all you had to do was whistle into the phone so that the system takes this as an operator code. Afterwards, it got more usage, and you could make a telephone conference with more that 2 subscribers at the same time, listen to someone else's number, make call redirection or create/delete subscriber number. Gift whistle To do this task easier phone phreakers created devices called boxes (Eg. Blue box,