Patent ID: 6388991
Filing Date: 2002-05-14
Classification: H04L,H04Q

Abstract:
A method for configuring a class 5 switch of a circuit switch network to support a virtual trunk group to an ATM edge switch of an ATM network while avoiding glare, wherein the class 5 switch provides one primary trunk group and has an overflow feature for providing overflow trunk groups, wherein each trunk group has a plurality of trunks for handling calls, the method comprising:initiating the overflow feature of the class 5 switch to provide at least one overflow trunk group; provisioning the primary trunk group of the class 5 switch as an outgoing primary trunk group for outgoing calls; provisioning one of the at least one overflow trunk groups of the class 5 switch as an incoming primary trunk group for incoming calls; hunting through the outgoing primary trunk group to seize trunks for outgoing calls; hunting through the incoming primary trunk group to seize for incoming calls; and hunting through the incoming primary trunk group to seize trunks for outgoing calls after all of the trunks of the outgoing primary trunk group have been seized.