TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

ONE-FREQUENCY SIGNALLING [2 records]

Record 1 2010-05-19

English

Subject field(s)
  • Telecommunications
OBS

The use of single frequency tones to perform signalling and supervisory functions on a channel. Such tones may be used to indicate answer or disconnect on DDD [direct distance dialed] calls for billing purposes, etc.

Key term(s)
  • single-frequency signaling
  • single frequency signaling
  • SF signaling
  • one-frequency signaling
  • one frequency signalling
  • one frequency signaling

French

Domaine(s)
  • Télécommunications
OBS

Consiste à utiliser des tonalités à une seule fréquence pour la réalisation des fonctions de signalisation et surveillance sur un circuit. Ces tonalités peuvent servir à indiquer, pour les besoins de la facturation, qu'il y a réponse ou qu'il y a eu raccrochage dans le cas, par exemple, des appels interurbains faits par l'abonné même. Elles peuvent engendrer des perturbations dans la transmission des données.

Spanish

Save record 1

Record 2 1975-03-11

English

Subject field(s)
  • Telecommunications

French

Domaine(s)
  • Télécommunications

Spanish

Save record 2

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