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发明名称
Voice menu optimization method and system
摘要
申请公布号
EP0827320(A3)
申请公布日期
1998.11.25
申请号
EP19970305579
申请日期
1997.07.24
申请人
AT&T CORP.
发明人
KESHAV, SRINIVASAN
分类号
H04M3/50;H04M3/42;H04M3/493;(IPC1-7):H04M3/50
主分类号
H04M3/50
代理机构
代理人
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地址
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