Reverse 911 using multicast session internet protocol (SIP) conferencing of voice over internet protocol (VoIP) users
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04L-012/18
H04L-029/06
H04M-011/04
출원번호
US-0292719
(2008-11-25)
등록번호
US-9369294
(2016-06-14)
발명자
/ 주소
Morin, Drew
출원인 / 주소
Telecommunication Systems, Inc.
대리인 / 주소
Tarolli, Sundheim, Covell & Tummino LLP
인용정보
피인용 횟수 :
0인용 특허 :
181
초록▼
A reverse 911 system uses voice over Internet Protocol (VoIP)/Session Internet Protocol (SIP) conferencing. An emergency alert message may be a text, video, MMS, hyperlink and/or image communicated simultaneously to multiple VoIP users via a SIP conference. Multiple SIP conferences may be cascaded t
A reverse 911 system uses voice over Internet Protocol (VoIP)/Session Internet Protocol (SIP) conferencing. An emergency alert message may be a text, video, MMS, hyperlink and/or image communicated simultaneously to multiple VoIP users via a SIP conference. Multiple SIP conferences may be cascaded to communicate with a larger number of users in a relevant group of users to be communicated with.
대표청구항▼
1. A reverse 911 emergency alert system, comprising: a SIP conference focus server to establish a SIP conference triggered by an appropriate reverse 911 trigger event; anda Session Internet Protocol (SIP) conference bridge, initiated by said SIP conference focus server, to establish a listen-only SI
1. A reverse 911 emergency alert system, comprising: a SIP conference focus server to establish a SIP conference triggered by an appropriate reverse 911 trigger event; anda Session Internet Protocol (SIP) conference bridge, initiated by said SIP conference focus server, to establish a listen-only SIP conference with said SIP conference focus server as host;wherein said SIP conference focus server is adapted to issue a SIP INVITE to each of a plurality of user agent devices designated in a user agent database for listen-only participation in said listen-only SIP conference;wherein said SIP conference focus server further establishes at least one other listen-only SIP conference triggered by said appropriate reverse 911 trigger event, and issues a SIP INVITE to each of a said plurality of user agent devices designated in said user agent database for listen-only participation in said listen-only SIP conference or said at least one other listen-only SIP conference;wherein said SIP conference focus server cascades said listen-only SIP conference with said at least one other listen-only SIP conference until a total of all said plurality of user agent devices designated in said user agent database; andwherein said plurality of user agent devices are provided listen-only access to said SIP conference bridge. 2. The reverse 911 emergency alert system according to claim 1, wherein: said SIP conference focus server provides an emergency text message through said SIP conference bridge to each of said plurality of user agent devices having listen-only participation in said SIP conference bridge. 3. The reverse 911 emergency alert system according to claim 1, wherein: said SIP conference focus server provides an emergency voice message through said SIP conference bridge to each of said plurality of user agent devices having listen-only participation in said SIP conference bridge. 4. The reverse 911 emergency alert system according to claim 1, wherein: said SIP conference focus server provides an emergency digital file through said SIP conference bridge to each of said plurality of user agent devices having listen-only participation in said SIP conference bridge. 5. The reverse 911 emergency alert system according to claim 1, wherein: said SIP conference focus server provides an emergency video message through said SIP conference bridge to each of said plurality of user agent devices having listen-only participation in said SIP conference bridge. 6. The reverse 911 emergency alert system according to claim 1, wherein: said SIP conference focus server provides an emergency message by way of a hyperlink to an Internet web page through said SIP conference bridge to each of said plurality of user agent devices having listen-only participation in said SIP conference bridge. 7. The reverse 911 emergency alert system according to claim 1, wherein: said SIP conference focus server provides an image file through said SIP conference bridge to each of said plurality of user agent devices having listen-only participation in said SIP conference bridge. 8. The reverse 911 emergency alert system according to claim 1, wherein: said SIP conference focus server provides a static emergency message through said SIP conference bridge to each of said plurality of user agent devices having listen-only participation in said SIP conference bridge. 9. The reverse 911 emergency alert system according to claim 1, wherein: said SIP conference focus server provides a dynamic emergency message through said SIP conference bridge to each of said plurality of user agent devices having listen-only participation in said SIP conference bridge. 10. The reverse 911 emergency alert system according to claim 1, wherein: said SIP conference focus server provides a live emergency message through said SIP conference bridge to each of said plurality of user agent devices having listen-only participation in said SIP conference bridge. 11. The reverse 911 emergency alert system according to claim 1, wherein: at least one of said plurality of user agent devices having listen-only participation in said SIP conference bridge is a Voice over Internet Protocol (VoIP) client. 12. The reverse 911 emergency alert system according to claim 1, wherein: said plurality of user agent devices receive a reverse 911 emergency message from said SIP conference focus server using any of a plurality of different modes of communication through said SIP conference bridge. 13. The reverse 911 emergency alert system according to claim 1, wherein: said SIP conference bridge pushes said SIP INVITE to each of said plurality of user agent devices. 14. The reverse 911 emergency alert system according to claim 1, wherein: said SIP conference focus server initiates limited broadcast capability in said listen-only SIP conference. 15. The reverse 911 emergency alert system according to claim 14, wherein: said limited broadcast capability is SIP multicast. 16. A method of providing a reverse 911 service, comprising: receiving a reverse 911 trigger event at a SIP conference focus server;establishing a Session Internet Protocol (SIP) conference bridge, initiated by said SIP conference focus server, to establish a listen-only SIP conference with said SIP conference focus server as host;issuing a SIP INVITE to each of a plurality of user agent devices designated in a user agent database for listen-only participation in said listen-only SIP conference, each of said plurality of user agent devices being provided listen-only access to said SIP conference bridge;establishing at least one other listen-only SIP conference, by said SIP conference focus server also in response to said reverse 911 trigger event;issuing a SIP INVITE to each of a plurality of user agent devices designated in said user agent database for listen-only participation in said listen-only SIP conference or said at least one other listen-only SIP conference;wherein said SIP conference focus server cascades said listen-only SIP conference with said at least one other listen-only SIP conference until a total of all said plurality of user agent devices designated in said user agent database are provided listen-only access to said SIP conference bridge; andinputting a reverse 911 emergency message into said SIP conference bridge. 17. The method of providing a reverse 911 service according to claim 16, wherein: said reverse 911 emergency message is a text message. 18. The method of providing a reverse 911 service according to claim 16, wherein: said reverse 911 emergency message is a voice message. 19. The method of providing a reverse 911 service according to claim 16, wherein: said reverse 911 emergency message includes an image. 20. The method of providing a reverse 911 service according to claim 16, wherein: said reverse 911 emergency message is a video message. 21. The method of providing a reverse 911 service according to claim 16, wherein said reverse 911 emergency message comprises: a hyperlink to an Internet web page. 22. The method of providing a reverse 911 service according to claim 16, wherein: said reverse 911 emergency message is live. 23. The method of providing a reverse 911 service according to claim 16, wherein: at least one of said plurality of user agent devices is a Voice over Internet Protocol (VoIP) client. 24. The method of providing a reverse 911 service according to claim 16, wherein: said plurality of user agent devices receive said reverse 911 emergency message from said SIP conference focus server using any of a plurality of different modes of communication through said SIP conference.
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