The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 05, 2005
Filed:
May. 18, 2001
Shin-hyun Yang, Seoul, KR;
Shin-Hyun Yang, Seoul, KR;
UTStarcom, Inc., Alameda, CA (US);
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.