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METHOD OF PROVIDING AT LEAST ONE VALUE ADDED SERVICE IN THE PACKET SWITCHED TELECOMMUNICATIONS NETWORK, AND METHOD OF OPERATING A SERVICE INTERFACE ADAPTER, A SERVICE INTERFACE ADAPTER FOR USE IN SUCH METHOD, A TELECOMMUNICATIONS NETWORK AND A TELECOMMUNICATIONS SERVICE
METHOD OF PROVIDING AT LEAST ONE VALUE ADDED SERVICE IN THE PACKET SWITCHED TELECOMMUNICATIONS NETWORK, AND METHOD OF OPERATING A SERVICE INTERFACE ADAPTER, A SERVICE INTERFACE ADAPTER FOR USE IN SUCH METHOD, A TELECOMMUNICATIONS NETWORK AND A TELECOMMUNICATIONS SERVICE
The present invention relates to a method of providing in a packet switched telecommunications network, for a communications session involving a user of said packet switched telecommunications network, at least one value added service associated with a circuit switched telecommunication network. The method comprises the steps of establishing a first signaling data stream of a first basic call state model of a packet switched dedicated protocol type between said packet switched telecommunications network and a service interface adapter unit, and establishing a second signaling data stream of a second basic call state model of a circuit switched dedicated protocol type between said service interface adapter unit and said circuit switched telecommunications network, based on information from said first signaling data stream, for providing said at least one value added service from said circuit switched telecommunications network. The information is augmented with further information for establishing said second signaling data stream, and for exchanging data between said first and second signaling data stream for providing said at least one value added service to said user through said packet switched telecommunications network.
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