2600? How Phreaking Really Worked
15:43
What happens if you leave your phone off the hook?
19:03
The Machine that Makes Your Phone Ring
7:44
Exploring the cold-war phone system designed to survive a nuclear attack
29:17
How Telephone Phreaking Worked
18:32
Crossbar telephone exchange demo
12:39
See the minimum needed for a USB device to list in Device Manager
16:31
How does call tracing work? (Part 1)
18:10