Method of and system for altering incoming call controls after a call has been placed to an emergency number
US7643625B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 29, 2004 |
| Grant date | Jan 5, 2010 |
| Priority date | — |
| Expiry date | Mar 9, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2213/1337
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.