Telecommunications – Radiotelephone system – Special service
Reexamination Certificate
2005-04-05
2005-04-05
Tsang, Fan (Department: 2645)
Telecommunications
Radiotelephone system
Special service
C370S352000
Reexamination Certificate
active
06876849
ABSTRACT:
A method for supporting a multi-call in an IMT-2000 system providing a plurality of services including a voice communication service, a moving picture service and a radio internet service, wherein the IMT-2000 system includes one or more mobile stations, one or more radio networks and one or more core networks includes the steps of: in response to a call request of the mobile station, transmitting an origination message to the radio network; generating a CM service request message based on the origination message and transmitting the CM service request message to the core network; determining whether the call request is an initial call request or an additional call request based on the CM service request message, wherein the additional call request means a request of an additional traffic channel for using other service; generating one or more traffic channels for the mobile station; and storing a first identity for the mobile station and a second identity for an assigned traffic channel in a storage unit.
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Gauthier Gerald
McDonnell Boehnen & Hulbert & Berghoff LLP
Tsang Fan
UTStarcom Inc.
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