Ortsvermittlungsstelle „W50“ und „W55V“
A switching center is a node within a communications network that enables the selective establishment of communication connections using the automatic dialing method. This film introduces the W50 and W55v switching centers. The film was shot at the Radio and Telephone Museum in Wiedenbrück and the Heinz Nixdorf Museum Forum in Paderborn.

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The Line Finder In The Step-By-Step Telephone Switching System

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Die letzten Tage der mechanischen Vermittlungstechnik

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Schwingungsverhalten mechanisches Relais, Lüfter Bedini, solid state Lüfter Bedini, Re emf Charger

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Telefon-Verbindungsaufbau mit EMD-Wähler System 55v

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

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Bundespost - Zwischen Masten und Deich | 1983

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Historische Telefonanlagen in Kombination

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Konrad Zuse and his first computer of the world - TV report from 1958 (with subtitles)

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The tape recorder – the forgotten pinnacle of German engineering

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Fallwähleranlage von Friedrich Merk

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Telekom CSI: Dem Störsender auf der Spur

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Telekommunikation von ca. 1800 bis 2015

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Post extrem (BRD 1975)

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The Strowger Step By Step Telephone Exchange

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RFT, Development of the TV market after reunification

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1992 TELEKOM - ISDN: Alles über ein Netz

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Was wurde aus Quelle? Das Ende des größten Versandhauses Europas

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Bundespost - Alltag im Turm

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Ericsson AGF telephone exchange 500 line selector demo

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