2600? How Phreaking Really Worked

Secrets of the Little Blue box! Don Froula's Blue Box instructions: https://github.com/donfroula/Arduino-Multimode-Blue-Box- Exploding the Phone: http://explodingthephone.com BSTJ: The N2 Carrier Terminal: https://archive.org/details/bstj44-5-731/mode/2up BSTJ: Signaling Systems for the Control of Telephone Switching: https://archive.org/details/bstj39-6-1381/ 0:00: Intro 1:40: What we need for blue boxing 2:47: Trunk Supervision demo 6:35: Carrier systems 8:25: E-Signaling units 9:05: Phreaking demo 12:57: Cap'n Crunch Whistle 13:31: Notch filters 14:15: Attempts to thwart 14:57: Closing