Method for releasing unnecessary trunks from a telephone call

Details Method for releasing unnecessary trunks from a telephone call Method for releasing unnecessary trunks from a telephone call

H - Electricity

04

Q

H04Q 3/42 (2006.01) H04Q 3/00 (2006.01) H04Q 3/66 (2006.01)

Patent

CA 2127005

A method for recognizing and releasing unnecessary trunk lines in a private branch exchange telephone system including a plurality of switching nodes, each having a unique node identification number whore each pair of nodes is connected by a plurality of trunk lines, includes steps for (a) compiling a telephone call identifier list containing node identification numbers and an associated trunk call identification number used in defining and connecting a call path between a calling party and a called party, (b) examining a call identifier list at each of the switching nodes for information indicative of redundant node identification numbers, and (c) releasing the unnecessary trunk lines between the redundant node identification numbers.

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