logo

Video encyclopedia

10/03/1891 Telephone switch

3:06

Strowger Step-by-step Demonstration

1:11

Automatic telephone exchange - operating

46:09

Strowger step-by-step switch demonstration

8:26

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

A telephone exchange is a telecommunications system used in the public switched telephone network or in large enterprises. An exchange consists of electronic components and in older systems also human operators that interconnect (switch) telephone subscriber lines or virtual circuits of digital systems to establish telephone calls between subscribers.
    Explore contextually related video stories in a new eye-catching way. Try Combster now!