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发明名称
Method and apparatus for screening a call as the call is transmitted to voice mail
摘要
申请公布号
EP0981240(A3)
申请公布日期
2000.04.26
申请号
EP19990306119
申请日期
1999.08.02
申请人
LUCENT TECHNOLOGIES INC.
发明人
VARNEY, DOUGLAS WILLIAM
分类号
H04M3/53;H04M3/42;H04M3/436;H04M3/50;(IPC1-7):H04M3/50
主分类号
H04M3/53
代理机构
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