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发明名称
FAST DTMF IDENTIFICATION
摘要
申请公布号
EP1121786(A4)
申请公布日期
2007.05.30
申请号
EP19990941106
申请日期
1999.08.13
申请人
TELOGY NETWORKS INC.
发明人
MORGAN, EDWARD;MLADENOVIC, ZORAN;PATEL, PIYUSH;SU, QIN
分类号
H04L12/54;H04M3/00;G05B23/02;H04J3/12;H04L12/64;H04L27/32;H04M7/00;H04M7/06;H04Q1/30;H04Q1/45
主分类号
H04L12/54
代理机构
代理人
主权项
地址
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