Patent ID: 6522743
Filing Date: 2003-02-18
Classification: H04M,H04Q

Abstract:
A system for routing calls comprising:a plurality of call centers coupled to a public switched telephone network which supports a transfer feature; and a network routing unit comprising a trunk interface and a processor: the trunk interface coupled via a subscriber link to the public switched telephone network, the trunk interface operable to receive a call from the public switched telephone network using a line of the subscriber link, the call placed to a telephone number assigned for placing calls to the network routing unit; and the processor coupled to the trunk interface, the processor operable to select one of the call centers, the processor further operable to initiate routing of the call to the selected call center so that the line of the subscriber link between the trunk interface and the public switched telephone network is released utilizing the transfer feature, the release of the line of the subscriber link freeing subscriber line resources for transporting calls to and from the public switched telephone network.