Invention Grant
- Patent Title: Reverse 911 using multicast session internet protocol (SIP) conferencing of voice over internet protocol (VoIP) users
-
Application No.: US12292719Application Date: 2008-11-25
-
Publication No.: US09369294B2Publication Date: 2016-06-14
- Inventor: Drew Morin
- Applicant: Drew Morin
- Applicant Address: US MD Annapolis
- Assignee: Telecommunication Systems, Inc.
- Current Assignee: Telecommunication Systems, Inc.
- Current Assignee Address: US MD Annapolis
- Agency: Tarolli, Sundheim, Covell & Tummino LLP
- Main IPC: H04L12/18
- IPC: H04L12/18 ; H04L29/06 ; H04M11/04
Abstract:
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.
Public/Granted literature
Information query
