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- Toll_switching_trunk abstract "In telecommunication, a toll switching trunk or toll connecting 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 function. In U.S. common carrier telephony service, a toll center designated Class 4C is an office where assistance in completing incoming calls is provided in addition to other traffic; a toll center designated Class 4P is an office where operators handle only outbound calls, or where switching is performed without operator assistance.".
- Toll_switching_trunk wikiPageID "41801".
- Toll_switching_trunk wikiPageRevisionID "604855436".
- Toll_switching_trunk hasPhotoCollection Toll_switching_trunk.
- Toll_switching_trunk subject Category:Communication_circuits.
- Toll_switching_trunk type Artifact100021939.
- Toll_switching_trunk type Circuit103033362.
- Toll_switching_trunk type CommunicationCircuits.
- Toll_switching_trunk type Device103183080.
- Toll_switching_trunk type ElectricalDevice103269401.
- Toll_switching_trunk type Instrumentality103575240.
- Toll_switching_trunk type Object100002684.
- Toll_switching_trunk type PhysicalEntity100001930.
- Toll_switching_trunk type Whole100003553.
- Toll_switching_trunk comment "In telecommunication, a toll switching trunk or toll connecting 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 function. In U.S.".
- Toll_switching_trunk label "Toll switching trunk".
- Toll_switching_trunk sameAs m.0bh95.
- Toll_switching_trunk sameAs Q16947613.
- Toll_switching_trunk sameAs Q16947613.
- Toll_switching_trunk sameAs Toll_switching_trunk.
- Toll_switching_trunk wasDerivedFrom Toll_switching_trunk?oldid=604855436.
- Toll_switching_trunk isPrimaryTopicOf Toll_switching_trunk.