A METHOD AND AN APPARATUS FOR REALIZING CHARACTERISTIC RING BACK TONE IN MULTI-PARTY SESSION,申请号EP20090716814-传众专利搜索

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发明名称	A METHOD AND AN APPARATUS FOR REALIZING CHARACTERISTIC RING BACK TONE IN MULTI-PARTY SESSION
摘要
申请公布号	EP2249554(A4)	申请公布日期	2012.01.04
申请号	EP20090716814	申请日期	2009.03.03
申请人	HUAWEI TECHNOLOGIES CO., LTD.	发明人	LIN, FEI;BAO, YUAN;KE, SHANYANG;WANG, HAOYU;HUANG, RONGJUN
分类号	H04M3/42	主分类号	H04M3/42
代理机构		代理人
主权项
地址

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