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经营范围
发明名称
Screening of Incoming Telephone Calls Prior to Call Completion to the Destination Party
摘要
申请公布号
CA2191158(A1)
申请公布日期
1997.06.16
申请号
CA19962191158
申请日期
1996.11.25
申请人
LUCENT TECHNOLOGIES INC.
发明人
ARDON, MENACHEM TSUR
分类号
H04M3/436;H04M7/00;(IPC1-7):H04M3/42
主分类号
H04M3/436
代理机构
代理人
主权项
地址
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