Invention Grant
US07643625B2 Method of and system for altering incoming call controls after a call has been placed to an emergency number 失效
呼叫已经发送到紧急号码后,用于更改呼入控制的方法和系统

Method of and system for altering incoming call controls after a call has been placed to an emergency number
Abstract:
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.
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