Patent ID: 6744855
Filing Date: 2004-06-01
Classification: H04M

Abstract:
A method of intercepting calls between two or more subscribers of a communications network, wherein for each of the calls, at least one of a plurality of service control points can be triggered by a service switching point of the communications network, and wherein the service control points, when triggered for a call, control the provision of a service for the call, wherein:the communications traffic between a plurality of service switching points of the communications network and the service control points is routed through an interception manager central to all service control points and decoupled from all service switching points, the central interception manager is triggered for a call when one of the service control points is triggered for this call by one of the service switching points, the central interception manager, when triggered for a call, monitors the communications traffic between the respective service switching point and the respective service control point for the respective call and, based on information exchanged between the respective service switching point and the respective service control point, and on predefined filter criteria, determines whether the call should be intercepted or not, and the central interception manager initiates the interception of the respective call if it determines that the call should be intercepted.