ANCILLARY INFORMATION TRANSMISSION WHILE USER IS ON HOLD DURING A TELECOMMUNICATIONS DEVICE TELECONFERENCE,申请号KR20047020032-传众专利搜索

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发明名称	ANCILLARY INFORMATION TRANSMISSION WHILE USER IS ON HOLD DURING A TELECOMMUNICATIONS DEVICE TELECONFERENCE
摘要
申请公布号	KR20050010037(A)	申请公布日期	2005.01.26
申请号	KR20047020032	申请日期	2003.06.10
申请人		发明人
分类号	H04M3/487;H04M11/00;H04J3/12;H04L12/66;H04M1/00;H04M3/42;H04M3/428;H04M3/56;H04M7/00;H04N7/14;H04Q11/00	主分类号	H04M3/487
代理机构		代理人
主权项
地址

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