Patent ID: 6535741
Filing Date: 2003-03-18
Classification: H04Q

Abstract:
A method for routing an incoming communications link in a telecommunications network, which comprises:providing a telecommunications network that includes: a service control point for controlling and carrying out intelligent services; a plurality of service switching points for switching service components of intelligent services; and a subscriber that has subscribed to at least one intelligent service that can be activated for incoming calls; providing each one of the plurality of service switching points with the capacity to support a predetermined performance level in accordance with a predetermined application protocol; sending, to a first one of the plurality of service switching points, a call requesting a communications link with the subscriber; in response to the call, sending a service initialization message from the first one of the plurality of service switching points to the service control point; subsequently, determining whether the at least one service subscribed to by the subscriber requires exceeding the predetermined performance level of the first one of the plurality of service switching points using the service control point to make the determination, and if so, subsequently: with the service control point, producing a routing address, using the call address of the subscriber, so that the routing address includes information relating to further routes for establishing a link to a second one of the plurality of service switching points that supports the performance level required for the at least one service subscribed to by the subscriber; with the service control point, transmitting the routing address to the first one of the plurality of service switching points; with the first one of the plurality of service switching points, routing the call to the second one of the plurality of service switching points using the routing address; and with the second one of the plurality of service switching points, switching the at least one service subscribed to by the subscriber.