Embedded audio passcode in ringtone to establish secure connection for arbitrary phone relay
US11070676B2 · kind B2 · utility
6Cited by
0References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2020 |
| Grant date | Jul 20, 2021 |
| Priority date | — |
| Expiry date | Mar 25, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Techniques to use an embedded passcode within an audio ringtone to establish a secure connection for arbitrary phone relay are described. The use of an embedded passcode enables encrypted ad-hoc connections for the relay of audio of an incoming telephone call to a secondary device, such as a virtual assistant enabled smart speaker device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.