Patent · US Active

Systems and methods of supporting emergency communications

US8644301B2 · kind B2 · utility

128Cited by
3References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 29, 2010
Grant dateFeb 4, 2014
Priority date
Expiry dateJun 11, 2032

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W48/18
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

Systems and methods for supporting E911 for VoIP mobile communications are provided. A mobile station formats a call setup message by including particular information in a header portion of the call setup message that is used by the wireless network to select an appropriate PSAP and route the call to the appropriate PSAP.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.