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经营范围
发明名称
Telephony services in a communications network
摘要
申请公布号
EP1102498(B1)
申请公布日期
2004.02.25
申请号
EP20000650159
申请日期
2000.10.16
申请人
NORTEL NETWORKS CORPORATION
发明人
DOLINAR, LARRY;CHU, JINCHI;KALLAS, MICHEL
分类号
H04M7/00;H04M3/42;H04Q3/00;(IPC1-7):H04Q3/00
主分类号
H04M7/00
代理机构
代理人
主权项
地址
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