专利名称：SEAMLESS MULTIMEDIA SESSION HANDOFF ACROSS MULTIPLE DEVICES IN A MOBILE
NETWORKING ENVIRONMENT
发明人：ZHANG, Junbiao
申请号：EP04783262.1
申请日：20040903
公开号：EP1784961A1
公开日：
20070516
专利内容由知识产权出版社提供
摘要：There is provided, in a source device, a method for handing off a media session from the source device to a target device in a network. The target device is informed of an impending handoff of the media session. Session state information is transmitted to the target device in preparation for the handoff. The source device is authenticated with respect to a router that is common to both the source device and the target device, prior to the handoff. The conducting of the media session on the source device is ceased in place of the target device, subsequent to the handoff.
申请人：Thomson Licensing
地址：46, Quai A. Le Gallo 92100 Boulogne-Billancourt FR
国籍：FR
代理机构：Ruellan-Lemonnier, Brigitte
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