Patent ID: 6363144
Filing Date: 2002-03-26
Classification: H04M,H04Q,H04W

Abstract:
An improved method of administering supplementary services in a communications network having connection equipment, a gateway for connecting to at least one further network, networked switching centers connectable via the connection equipment to communication terminals for permitting subscriber access and via the gateway to the at least one further network, service switching units connected to the connection equipment and the gateway, and at least one service control unit controlling a supplementary service of the supplementary services, the improvement which comprises:sending an initiating message from a first service switching unit of the service switching units serving a subscriber to the at least one service control unit; performing a comparison of a first protocol supported by the first service switching unit with a second protocol necessary for the supplementary service; determining and selecting a second service switching unit of the service switching units that can support the second protocol necessary for the supplementary service using a service key for the supplementary service and aided by a table such that the second service switching unit is close to the first service switching unit, and rerouting to the second service switching unit in dependence on a result of the comparison.