Patent ID: 6078659
Filing Date: 2000-06-20
Classification: H04Q

Abstract:
A method for handling failure of a predetermined toll switch within a telephone network having a plurality of toll switches, each toll switch being coupled to a cross connect system via a respective intertoll trunk group, and the predetermined toll switch being coupled also to a toll-completing trunk group via the cross connect system, the method including the steps of:A. determining that the predetermined toll switch is sufficiently inoperative to be replaced by an alternative toll switch of the plurality of toll switches within the telephone network;B. determining a mapping between at least one toll-completing trunk, of said toll-completing trunk group, and the respective intertoll trunk group corresponding to said alternative toll switch; andC. linking within the cross connect system said at least one toll-completing trunk to said respective intertoll trunk group of said alternative toll switch according to said mapping such that said alternative toll switch replaces said predetermined toll switch when the predetermined toll switch is sufficiently inoperative.