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发明名称
ON-HOOK CUSTOMER PREMISE EQUIPMENT ALERTING SIGNAL DETECTION
摘要
申请公布号
EP0920768(A1)
申请公布日期
1999.06.09
申请号
EP19980910538
申请日期
1998.03.12
申请人
NORTEL NETWORKS CORPORATION
发明人
MCKINNEY, BRIAN, CLIFFORD;KOS, STEVEN
分类号
H04M1/57;H04M1/82;(IPC1-7):H04M1/57
主分类号
H04M1/57
代理机构
代理人
主权项
地址
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