发明授权
- 专利标题: Automatic call back system and method of operation
- 专利标题(中): 自动召回制度和操作程序
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申请号: EP92308508.8申请日: 1992-09-18
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公开(公告)号: EP0587950B1公开(公告)日: 1998-12-16
- 发明人: Hammond, Daniel D.
- 申请人: INTERVOICE, INC.
- 申请人地址: 17811 Waterview Parkway Dallas, Texas 75252 US
- 专利权人: INTERVOICE, INC.
- 当前专利权人: INTERVOICE, INC.
- 当前专利权人地址: 17811 Waterview Parkway Dallas, Texas 75252 US
- 代理机构: Howick, Nicholas Keith
- 主分类号: H04Q3/62
- IPC分类号: H04Q3/62 ; H04M3/50 ; H04M3/48
公开/授权文献
- EP0587950A1 Automatic call back system and method of operation 公开/授权日:1994-03-23
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