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发明名称
SYSTEM AND METHOD FOR PROVIDING ENHANCED SERVICES FOR A TELECOMMUNICATION CALL
摘要
申请公布号
EP0932951(A1)
申请公布日期
1999.08.04
申请号
EP19970948225
申请日期
1997.11.10
申请人
SPRINT COMMUNICATIONS COMPANY, L.P.
发明人
CHRISTIE, JOSEPH, M.;NELSON, TRACY, LEE
分类号
H04J3/12;H04J3/24;H04L12/56;H04Q3/00;H04Q11/04;(IPC1-7):H04J3/12
主分类号
H04J3/12
代理机构
代理人
主权项
地址
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