IP-based enhanced emergency services using intelligent client devices
US7440442B2 · kind B2 · utility
183Cited by
4References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2003 |
| Grant date | Oct 21, 2008 |
| Priority date | — |
| Expiry date | Nov 24, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q3/0025
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Providing enhanced emergency services (E-911) to an IP Telephony-based PBX or similar system, by utilizing aspects of the intelligence of end-user SIP client devices to address challenges and difficulties associated with E-911-like services in LAN-based telephony environments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.