Methods and apparatus to provide enhanced 911 (E911) services for nomadic users
US8599718B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2007 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | Jul 27, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2242/04
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus provide enhanced 911 (E911) services for nomadic users are disclosed. An example method comprises receiving an Internet protocol (IP) address associated with a voice over internet protocol (VoIP) device and a media access control (MAC) address associated with the VoIP device, detecting when the VoIP device is outside an access network based on the MAC address and the IP address, prompting a user of the VoIP device to provide geographic location information for the VoIP device when the VoIP device is outside the access network, and updating enhanced 911 (E911) information for the VoIP device based on the geographic location information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.