- intertoll trunk
- тлф. междугородная линия
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
intertoll trunk
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Toll switching trunk — In telecommunication, a toll switching trunk is a trunk connecting one or more end offices to a toll center as the first stage of concentration for intertoll or long distance traffic. Operator assistance or participation may be an optional… … Wikipedia
