Location provisioning for 911 calls received at a telecommunications relay service
US8160539B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2009 |
| Grant date | Apr 17, 2012 |
| Priority date | — |
| Expiry date | Jul 13, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M11/045
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A call processing system is configured to receive a call request for a first call from a mobile device operated by a user, wherein the call request comprises a user input and a caller identification, transfer a key and the caller identification to a call conference server, transfer the caller identification, the key, and a service number to a public safety answering point, and transfer the service number to the mobile device. The call conference server is configured to store the key and the caller identification, receive a second call from the public safety answering point that includes the key, receive a third call from a telecommunications relay service that includes the caller identification, and connect the third call to the second call based on the caller identification and the key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.