Patent ID: 8489682
Filing Date: 2013-07-16
Classification: H04L

Abstract:
1. A method of sending a supplementary services message in a communications network, the method comprising: sending an Interrogation marker from a Home Location Register node in a Circuit Switched network to a subscriber's Mobile-services Switching Centre/Visitor Location Register, the Interrogation marker informing the Mobile-service Switching Centre/Visitor Location Register that all supplementary services messages received at the Mobile-services Switching Centre/Visitor Location Register from a user terminal are to be sent to the Home Location Register; sending an Insert Subscriber Data message from the Home Location Register node to the subscribers Mobile-services Switching Centre/Visitor Location Register, the Insert Subscriber Data message containing a CAMEL Mobility Management Service Indication, which includes an address of an IP Multimedia Application Server associated with the subscriber and used for handling supplementary service requests; sending a Mobility Management Notification message from the Mobile-services Switching Centre/Visitor Location Register to the addressed Application Server; receiving at the Home Location Register node, a supplementary services message sent from the subscriber's Mobile-services Switching Centre/Visitor Location Register; retrieving by the Home Location Register node, the address of the IP Multimedia Application Server associated with the subscriber; sending the supplementary services message from the Home Location Register node to the addressed Application Server; and at the Application Server: generating a further Insert Subscriber Data message, the further Insert Subscriber Data message containing an allocation determined by the Application Server of which supplementary services are to be handled in the Circuit Switched network; and sending the further Insert Subscriber Data message from the Application Server to the Mobile-services Switching Centre via the Home Location Register node.