发明名称 Method of and system for altering incoming call controls after a call has been placed to an emergency number
摘要 According to the various embodiments of the present invention, an outbound call to a number on an emergency call list may change the incoming call controls to a telephone. In particular, methods of altering incoming call controls after a call has been placed to an emergency number comprises steps of performing a first modification of a first call control related to a first incoming calling number, and performing a second modification of the first call control related to the first incoming calling number after a predetermined period of time. Systems for altering incoming call controls after a call has been placed to an emergency number are also disclosed.
申请公布号 US2005243974(A1) 申请公布日期 2005.11.03
申请号 US20040837501 申请日期 2004.04.29
申请人 PEARSON LARRY B 发明人 PEARSON LARRY B.
分类号 H04M11/04;H04M15/00;H04Q3/00;(IPC1-7):H04M11/04 主分类号 H04M11/04
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