trunk call
Noun
Meaning
trunk call (plural trunk calls)
(telephony, dated, chiefly Britain) a long-distance telephone call, especially one connected by the operator
Hypernyms
Examples
Telecommunications main A long-distance call is a "trunk call" in British English, but is a "toll call" in American English.
The 1-200 area has occasionally been used as an unused space in which to place test numbers, but is rare as in most communities a 1- indicates a long-distance trunk call.
The originating marker then passed the trunk call completion requirements (type of pulsing, resistance of the trunk, etc.) and the called party's details to the sender and released.