AT&T Archives: The Step-By-Step Switch

Why it was recommended

My favorite old explainer video, telephone switching (1951)

Strong recommendationjetrink · Original2023-07

What it covers

A 1951 Bell System training film showing how telephone calls are routed through a step-by-step (Strowger) switching office. It is for a general viewer who does not plan to take a prerequisite first.

Video details

Channel

AT&T Tech Channel

Length

8 min 26 sec

Year

2011

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