The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 2016
Filed:
Nov. 25, 2008
Applicant:
Drew Morin, Davidsonville, MD (US);
Inventor:
Drew Morin, Davidsonville, MD (US);
Assignee:
Telecommunication Systems, Inc., Annapolis, MD (US);
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/18 (2006.01); H04L 29/06 (2006.01); H04M 11/04 (2006.01);
U.S. Cl.
CPC ...
H04L 12/1818 (2013.01); H04L 65/1006 (2013.01); H04L 65/1069 (2013.01); H04L 65/403 (2013.01); H04L 65/1096 (2013.01); H04M 11/04 (2013.01);
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.