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:
Oct. 07, 2025
Filed:
Mar. 08, 2023
Verizon Patent and Licensing Inc., Basking Ridge, NJ (US);
Kashif Khan, Keller, TX (US);
Danysel Barthelme, Frisco, TX (US);
Ronald E. Collier, Ii, Arlington, TX (US);
Ertao Li, Plano, TX (US);
Steve L. Padilla, Lewisville, TX (US);
Gaurav Patel, Mckinney, TX (US);
Shawn R. Pugh, Easton, PA (US);
Shujaat Ali Siddique, Hillsborough, NJ (US);
Daniel L. Walker, Wall, NJ (US);
John Cao Vinh Nguyen, Trophy Club, TX (US);
Verizon Patent and Licensing Inc., Basking Ridge, NJ (US);
Abstract
In the various embodiments, systems and methods are disclosed for providing unique service and location codes from a user of a mobile device to a Public Safety Answering Point (PSAP) operator at the beginning of an emergency call. In some embodiments, the unique location codes can be utilized in routing the of the emergency call to the appropriate PSAP. In the embodiments, the unique codes can be received as part of an SIP INVITE message including a modified P-Access-Network-Info (PANI) header forwarded from a Proxy-Call Session Control Function (P-CSCF) to an Emergency Call Session Control Function (E-CSCF).