A DUAL MODE TERMINAL FOR ACCESSING A CELLULAR NETWORK DIRECTLY OR VIA A WIRELESS INTRANET

A DUAL MODE TERMINAL FOR ACCESSING A CELLULAR NETWORK DIRECTLY OR VIA A WIRELESS INTRANET

A system, wherein a mobile station can switch to an IP access protocol, whereupon data transmitted between the mobile station and a mobile services switching centre change over from a base station system, reached using radio communication, to being transmitted through an interworking unit (40) coupl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LEMILAINEN, JUSSI, NIEMI, MARKKU, RAUTIOLA, MARKKU
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
SELECTING
TELEPHONIC COMMUNICATION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:A system, wherein a mobile station can switch to an IP access protocol, whereupon data transmitted between the mobile station and a mobile services switching centre change over from a base station system, reached using radio communication, to being transmitted through an interworking unit (40) coupled in connection with an IP connection and the mobile services switching centre. When the mobile station switches to the access network, it transfers the dynamic data relating to the mobile station's state and the calls in progress (state machine) to the interworking unit.