Synopsis
Automation in the telephone industry dispenses with operator long distance dialing to complete calls faster.
Uploader's description on archive.org
Details
- Running time
- 10 minutes
- Collection
- Prelinger Archives
Subjects on the Internet Archive
- Communication: Telephone
Reviews on the Internet Archive
★★★★★ · Another fascinating glimpse behind the scenes · Markus Stamm · 2003-03-03
This film offers very interesting insight into long-distance operation before direct distance dialling. Regardless of whether one is simply too young to remember operator-dependent long-distance service or one remembers such service but never knew what technology was behind it when it just entered a phase of rapid transition into fully automatic direct distance dialling service, the information the film provides about how an operator handled different types of calls is fascinating.
★★★★★ · As soon as the operator presses the proper keys, it happens! Just like that! · ElmerCat · 2006-12-20
This film explains how long distance calls were handled when the first toll dial switching systems were introduced, and contrasts it with earlier methods where the connections were made totally by operators. Part of the explanaton about how the new technology worked includes a demonstration with sound of the then new "multi-frequency" or MF tone senders. Different and more pleasant sounding than the "touch-tones" used by our phones today, MF tones were used internally by the switching network. Though they're now nearly extinct, MF tones were considered by phone phreaks to be among the most…
