Direct call

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With direct call is in communications technology making a communication link to a specified remote station for transmitting digital messages without entering a destination information such as a phone number called. This is a dedicated line as a switching service feature . The connection is switched by an exchange in a communications network.

The West German direct call network and its fee schedule were legally regulated for the Deutsche Bundespost in 1974. In addition to a basic and installation fee, the fees were based on the bandwidth of the line (50 - 48,000 bit / s) and distance (kilometers) It was controversial because of competition concerns ( terminal monopoly , network monopoly ), but was confirmed by the Federal Constitutional Court in 1977 as compatible with the Basic Law.

literature

  • Reinhold Franck: Computer networks and data communication. Springer Verlag, Berlin / Heidelberg 1986, ISBN 978-3-642-70267-9 .
  • Reinhard Voßbein: Company organization with communication systems. Friedrich Vieweg & Sohn Verlag, Wiesbaden 1989, ISBN 978-3-528-04610-1 .

swell

  1. ↑ BGBl. 1974 I p. 1325 Ordinance on the public direct call network for the transmission of digital messages (DirRufV) of June 24, 1974
  2. ↑ Constitutional complaint against direct call regulation: Bundespost vor dem Kadi - computerwoche.de. In: computerwoche.de. July 11, 1975. Retrieved February 18, 2018 . Regarding: Article 2, paragraph 1, Article 3, paragraph 4, Article 9, paragraph 1, sentence 1 and Article 3, paragraph 4, Article 6, paragraph 6, Article 9, paragraph 1, sentences 3 and 4 and Article 10, paragraph 1 and 3 sentence 2 DirRufV.
  3. ↑ DFR - BVerfGE 46, 120 - direct call. In: servat.unibe.ch. October 12, 1977. Retrieved February 18, 2018 .

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