최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0064203 (2011-03-10) |
등록번호 | US-8385881 (2013-02-26) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 5 인용 특허 : 406 |
An E-9-1-1 voice-over-IP (VoIP) solution is provided wherein a 911 call from a mobile VoIP device is routed directly to the correct Public Safety Answer Point (PSAP) via dedicated trunks, together with correct location information and call-back number. VoIP gateways are implemented locally, at least
An E-9-1-1 voice-over-IP (VoIP) solution is provided wherein a 911 call from a mobile VoIP device is routed directly to the correct Public Safety Answer Point (PSAP) via dedicated trunks, together with correct location information and call-back number. VoIP gateways are implemented locally, at least one per LATA, and accept VoIP packetized data inbound, and convert it to standard wireline voice calls. Calls are routed to an IP address at the VoIP gateway, which then egresses the call to a voice port at a selective router. Mid-call updating of location of a moving VoIP terminal is provided to a PSAP. The location of the VoIP is validated using HTTP based protocol by pushing location information to a VoIP location server, and comparing it against a geographic location database to confirm that a contained street address is valid.
1. A method of providing mid-call updating of a location of a Voice-over-Internet Protocol (VoIP) terminal, comprising: requesting, in response to a Session Initiation Protocol (SIP) request message from a VoIP location server, updated geographic location information relevant to movement of a VoIP t
1. A method of providing mid-call updating of a location of a Voice-over-Internet Protocol (VoIP) terminal, comprising: requesting, in response to a Session Initiation Protocol (SIP) request message from a VoIP location server, updated geographic location information relevant to movement of a VoIP terminal during an established call with said VoIP terminal, said updated geographic location information being requested subsequent to establishment of said established call;retrieving a record of said established call based on an Emergency Services Location Key (ESLK);sending, at said VoIP location server, subsequent to establishment of said established call a SIP response message indicating said updated geographic location information is required to be transmitted to a VoIP switch; andtransmitting said requested updated geographic location information relevant to said movement of said VoIP terminal to a requesting physical device. 2. The method of providing mid-call updating of a location of a Voice-over-Internet Protocol (VoIP) terminal according to claim 1, wherein: said established call is an established emergency call to a Public Safety Access Point (PSAP). 3. The method of providing mid-call updating of a location of a Voice-over-Internet Protocol (VoIP) terminal according to claim 2, further comprising: receiving, at said VoIP location server, a request for said updated geographic location information from said PSAP. 4. The method of providing mid-call updating of a location of a Voice-over-Internet Protocol (VoIP) terminal according to claim 1, wherein: said requested updated geographic location information is transmitted from said VoIP terminal. 5. The method of providing mid-call updating of a location of a Voice-over-Internet Protocol (VoIP) terminal according to claim 1, wherein: said requested updated geographic location information is determined by said VoIP terminal. 6. The method of providing mid-call updating of a location of a Voice-over-Internet Protocol (VoIP) terminal according to claim 1, wherein: said requested updated geographic location information is obtained from input at said VoIP terminal. 7. The method of providing mid-call updating of a location of a Voice-over-Internet Protocol (VoIP) terminal according to claim 1, wherein: said requested updated geographic location information is automatically determined by said VoIP terminal using a location determining device. 8. The method of providing mid-call updating of a location of a Voice-over-Internet Protocol (VoIP) terminal according to claim 1, wherein: said requested updated geographic location includes updated longitude/latitude information. 9. The method of providing mid-call updating of a location of a Voice-over-Internet Protocol (VoIP) terminal according to claim 1, wherein: said requested updated geographic location includes updated address information. 10. A Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a VoIP terminal, comprising: a transmitter, at said VoIP location server, to transmit a request, in response to a Session Initiation Protocol (SIP), for updated geographic location information relevant to movement of a VoIP terminal during an established call with said VoIP terminal, said updated geographic location information being requested subsequent to establishment of said established call; anda retriever to retrieve a record of said established call based on an Emergency Services Location Key (ESLK);a sender, at said VoIP location server, to send subsequent to establishment of said established call a SIP response message indicating said updated geographic location information is required to be transmitted to a VoIP switch;wherein said transmitter transmits said requested updated geographic location information relevant to said movement of said VoIP terminal to a requesting physical device. 11. The Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a VoIP terminal according to claim 10, wherein: said established call is an established emergency call to a Public Safety Access Point (PSAP). 12. The Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a VoIP terminal according to claim 11, wherein: said requested updated geographic location information was initiated by said PSAP. 13. The Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a VoIP terminal according to claim 10, wherein: said requested updated geographic location information was obtained from said VoIP terminal. 14. The Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a VoIP terminal according to claim 10, wherein: said requested updated geographic location information was determined by said VoIP terminal. 15. The Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a VoIP terminal according to claim 10, wherein: said requested updated geographic location information is user input data from said VoIP terminal. 16. The Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a VoIP terminal according to claim 10, wherein: said requested updated geographic location information was automatically determined by said VoIP terminal using a location determining device. 17. A method of providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal, comprising: requesting, in response to a Session Initiation Protocol (SIP) request message from a VoIP location server, updated geographic location information relevant to movement of a WiFi terminal during an established call with said WiFi terminal, said updated geographic location information being requested subsequent to establishment of said established call;retrieving a record of said established call based on an Emergency Services Location Key (ESLK);sending, at said VoIP location server, subsequent to establishment of said established call a SIP response message indicating said updated geographic location information is required to be transmitted to a VoIP switch; andtransmitting said requested updated geographic location information relevant to said movement of said WiFi terminal to a requesting physical device. 18. The method of providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 17, wherein: said established call is an established emergency call to a Public Safety Access Point (PSAP). 19. The method of providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 18, further comprising: receiving, at said VoIP location server, a request for updated geographic location information from said PSAP. 20. The method of providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 17, wherein: said requested updated geographic location information is transmitted from said WiFi terminal. 21. The method of providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 17, wherein: said requested updated geographic location information is determined by said WiFi terminal. 22. The method of providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 17, wherein: said requested updated geographic location information is obtained from input at said WiFi terminal. 23. The method of providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 17, wherein: said requested updated geographic location information is automatically determined by said WiFi terminal using a location determining device. 24. The method of providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 17, wherein: said requested updated geographic location includes updated longitude/latitude information. 25. The method of providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 17, wherein: said requested updated geographic location includes updated address information. 26. A Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal, comprising: a transmitter, at said VoIP location server, to transmit a request, in response to a Session Initiation Protocol (SIP), for updated geographic location information relevant to movement of a WiFi terminal during an established call with said WiFi terminal, said updated geographic location information being requested subsequent to establishment of said established call; anda retriever to retrieve a record of said established call based on an Emergency Services Location Key (ESLK);a sender, at said VoIP location server, to send subsequent to establishment of said established call a SIP response message indicating said updated geographic location information is required to be transmitted to a VoIP switch;wherein said transmitter transmits said requested updated geographic location information relevant to said movement of said WiFi terminal to a requesting physical device. 27. The Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 26, wherein: said established call is an established emergency call to a Public Safety Access Point (PSAP). 28. The Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 27, wherein: said requested updated geographic location information was initiated by said PSAP. 29. The Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 26, wherein: said requested updated geographic location information was obtained from said WiFi terminal. 30. The Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 26, wherein: said requested updated geographic location information was determined by said WiFi terminal. 31. The Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 26, wherein: said requested updated geographic location information is user input data from said WiFi terminal. 32. The Voice-over-Internet Protocol (VoIP) location server for providing mid-call updating of a location of a Wireless Fidelity (WiFi) terminal according to claim 26, wherein: said requested updated geographic location information was automatically determined by said WiFi terminal using a location determining device.
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