Explaining Call Tracing (Part 2): The No. 5 Crossbar
16:31
How does call tracing work? (Part 1)
23:18
How many different ways can we cause trouble in the 5XB?
35:35
All calls are failing in the Panel office!
23:40
No 5 Crossbar Tour
8:05
Western Union Self Winding Pendulum Clock
24:29
CARW: Bell's Nuclear-War Telephone Network
19:21
The Latest Celebrity Tech Scam…
26:27