发明名称 Method and apparatus for providing soft dial tone using office equipment designators
摘要 An Advanced Intelligent Network is disclosed which permits even "disconnected" subscriber equipment to complete calls to the business office of the network operator or to 911 by providing soft dial tone to such users for access to only a limited sub-set of network capabilities. In addition, methods and apparatus are disclosed for coordinating the retrieval and presentation of data related to a particular subscriber's call to a Business Office Representative.
申请公布号 US5659605(A) 申请公布日期 1997.08.19
申请号 US19940264166 申请日期 1994.06.22
申请人 BELL ATLANTIC NETWORK SERVICES, INC. 发明人 VOIT, ERIC A.;GILES, WILLIAM G.
分类号 H04M3/42;H04M3/51;H04Q3/00;(IPC1-7):H04M3/42 主分类号 H04M3/42
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