Semiautomatic switching system

In telecommunication, the term semiautomatic switching system has the following meanings:

  1. In telephone systems, a switching system in which telephone operators receive call instructions orally from users and complete them by automatic equipment.
  2. At tape relay intermediate stations, the manual routing or rerouting of taped messages without rekeying them.

References
  •  This article incorporates public domain material from the General Services Administration document: "Federal Standard 1037C". (in support of MIL-STD-188)
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