METHOD AND SYSTEM FOR PROVIDING PRESENCE INFORMATION USING RINGBACK TONE,申请号US20070950229-传众专利搜索

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发明名称	METHOD AND SYSTEM FOR PROVIDING PRESENCE INFORMATION USING RINGBACK TONE
摘要	A method for providing ringback tone presence information includes: obtaining a subscription record of a ringback tone presence service corresponding to a user terminal of a call and a routing address of a ringback tone device; connecting the call to the ringback tone device according to the routing address; obtaining the presence information of the called user according to a user terminal number of the call; and sending the presence information of the called user to the calling user terminal. The present invention further provides a system and a ringback tone device for providing presence information. According to the present invention, the calling user may obtain the presence information of the called user via a ringback tone to acquire the state and mood of the called user; therefore, the communication experience is improved; the telecom service types are enriched; and the presence service is popularized.
申请公布号	US2008095326(A1)	申请公布日期	2008.04.24
申请号	US20070950229	申请日期	2007.12.04
申请人	QI QUAN;LIU JIAN	发明人	QI QUAN;LIU JIAN
分类号	H04M1/64	主分类号	H04M1/64
代理机构		代理人
主权项
地址

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