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1. 发明申请

US20080098297A1 METHOD AND SYSTEM FOR PROVIDING PRESENCE INFORMATION 审中-公开
标题翻译：提供存在信息的方法和系统
公开(公告)号：US20080098297A1
公开(公告)日：2008-04-24
申请号：US11945088
申请日：2007-11-26
申请人： Qian SUN , Linyi Tian , Yang Zhao , Xuefei Song , Hongging Bao , Chenghui Peng
发明人： Qian SUN , Linyi Tian , Yang Zhao , Xuefei Song , Hongging Bao , Chenghui Peng
IPC分类号： G06F17/00 , G06F15/16
CPC分类号： H04L67/24 , H04L51/04
摘要： The present invention discloses a method for providing presence information, including: setting a validity period of the presence information; publishing, by a presentity client, the received presence information and the validity period to a presence server; and distributing the received presence information and the validity period to a watcher client by the presence server. Thus, the watcher client knows the validity period of the presence information, such as an end time of a current presence time, and thereby selects timely an appropriate time for communication with the presentity client. Furthermore, the present invention also provides a start time of the current presence information, and thus the watcher client knows a duration of the current presence information of the presentity client. The present invention further discloses a system for providing presence information.
摘要翻译：本发明公开了一种提供存在信息的方法，包括：设置存在信息的有效期; 由呈现者客户端将接收到的存在信息和有效期发布到呈现服务器; 以及由接收服务器将接收到的存在信息和有效期分发给观察者客户端。因此，观察者客户端知道存在信息的有效期，例如当前存在时间的结束时间，从而及时选择与呈现客户端进行通信的适当时间。此外，本发明还提供当前存在信息的开始时间，并且因此观察者客户端知道存在客户端的当前存在信息的持续时间。本发明还公开了一种提供存在信息的系统。

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