Director telephone system
id:
director-telephone-system-265-2203618
title:
Director telephone system
text:
The director telephone system was a development of the Strowger or step-by-step (SXS) switching system used in London and five other large cities in the UK from the 1920s to the 1980s. A large proportion of telephone traffic in large metropolitan areas is outgoing traffic, and it is distributed over many exchanges. A non-director SXS exchange system is not suitable for these areas. As the translation facility incorporated was similar to the register in common control systems, the director system
brand slug:
wiki
category slug:
encyclopedia
description:
Telephone switching system used in the UK
original url:
https://en.wikipedia.org/wiki/Director_telephone_system
date created:
date modified:
2023-10-20T05:15:42Z
main entity:
{"identifier":"Q5280582","url":"https://www.wikidata.org/entity/Q5280582"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/e/ed/GPO_232_Telephone_without_bell_set_26.JPG","width":2048,"height":1536}
fields total:
13
integrity:
15