Secrets of the Little Blue box!

Don Froula's Blue Box instructions: https://github.com/donfroula/Arduino...
Exploding the Phone: http://explodingthephone.com
BSTJ: The N2 Carrier Terminal: https://archive.org/details/bstj445...
BSTJ: Signaling Systems for the Control of Telephone Switching: https://archive.org/details/bstj396...

0:00: Intro
1:40: What we need for blue boxing
2:47: Trunk Supervision demo
6:35: Carrier systems
8:25: ESignaling units
9:05: Phreaking demo
12:57: Cap'n Crunch Whistle
13:31: Notch filters
14:15: Attempts to thwart
14:57: Closing