Protocol converting 9-1-1 emergency messaging center
US8149997B2 · kind B2 · utility
0Cited by
4References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 26, 2009 |
| Grant date | Apr 3, 2012 |
| Priority date | — |
| Expiry date | Sep 3, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2242/04
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Delivery of Next Generation 9-1-1 emergency services to an Internet Protocol (IP) Public Safety Answering Point (PSAP) is enabled using an existing or legacy selective router and Automatic Location Information (ALI) database. Using a protocol converting 9-1-1 messaging center according to the principles of the present invention, existing or legacy selective router equipment can provide Enhanced 9-1-1 (E911) over time division multiplex (TDM) circuits to non-IP capable PSAPs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.