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trunk
Last modified: Tuesday, September 14, 1999
A communicationschannel between two points. It usually refers to large-bandwidth telephone channels between switching centers that handle many simultaneous voice and data signals.
A circuit from a user's terminal or PC to a network is more accurately called a line (i.e. T1 line or ISDN line) rather than a trunk, although the terms line, trunk and circuit are often used interchangeably.