Authentication of phone caller identity
US9232394B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 2, 2013 |
| Grant date | Jan 5, 2016 |
| Priority date | — |
| Expiry date | Mar 10, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
According to one aspect of the present disclosure, a method and technique for caller authentication is disclosed. The method includes: responsive to initiation of a telephone call by a caller from a first telephone unit to a second telephone unit, retrieving an identification object comprising identification information corresponding to the caller; encrypting the identification object using an encryption key stored on the first telephone unit; and transmitting, as part of the telephone call, the encrypted caller identification object to a telephone network destined for the second telephone unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.