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A telephone exchange, also known as a telephone switch or central office, is a crucial component in the public switched telephone network (PSTN) or large enterprise telecommunications systems. It facilitates the interconnection of telephone subscriber lines or digital system virtual circuits, enabling telephone calls between subscribers.
11 de ago. de 2004 · exchanges serving the central business districts of the city, e.g. MAYfair, REGent, and GERard, but not so much with those in other far-away suburbs. The most famous London telephone number of 3L-4N days was surely WHItehall 1212, the number for Scotland Yard, Police Headquarters. In addition to the exchange prefixes, there were also 3-digit ...
2 de fev. de 2023 · February 02, 2023. This is a list of telephone exchanges located within Greater London.
The number could be dialled as 387-1234 or spoken to a manual exchange operator as Euston 1234 . London manual exchanges were gradually converted to Director automatic exchanges from 1927. Holborn was the first, at midnight on Saturday 12 November, a local and tandem exchange. Bishopgate and Sloane exchanges followed in six weeks, then Western ...
4 de nov. de 2010 · 2 List of exchanges. 3 See also. 4 Notes. 5 References. 6 External links. Toggle the table of contents. List of telephone exchanges in London ...
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Wikipedia'ya hoş geldiniz. Artık 6942878 sayfamız var. Londra'daki telefon santrallerinin listesi - List of telephone exchanges in London.
