Session establishment for real-time media communication service

A solution for establishing a session of a real-time media communication service in a communication system comprising at least two separately administered subsystems. The invented method comprises detecting that the terminating subscriber does not belong to the same subsystem as the originating subs...

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Bibliographic Details
Main Author OJA SAKU,HYYTIAE SIMO,HELENIUS PAAVO,HOLTAPPELS BERT,REBEIRO-HARGRAVE ANDREW,WESTMAN ILKKA
Format Patent
LanguageEnglish
Published 23.05.2007
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
SELECTING
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A solution for establishing a session of a real-time media communication service in a communication system comprising at least two separately administered subsystems. The invented method comprises detecting that the terminating subscriber does not belong to the same subsystem as the originating subscriber, determining a defined transit server that has access to a subscriber database of the subsystem of the terminating subscriber, and querying subscriber information related to the requested session with a first control message that comprises parameters of the requested session to the transit server. A real-time media communication connection may be established between users of separate administrative subsystems so that operators of each subsystem have full control of their own network elements, and the internal connection establishment procedures need minimal alterations for the functionality.
Bibliography:Application Number: CN200580019581