Method and system for registering and automatically retrieving digital-certificates in voice over internet protocol (VOIP) communications
US6842449B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 9, 2002 |
| Grant date | Jan 11, 2005 |
| Priority date | — |
| Expiry date | Jul 9, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and system for registering and automatically retrieving digital-certificates in voice over Internet protocol (VOIP) communications. In accordance with an embodiment of the present invention, the method includes receiving a digital voice call setup request with an associated caller certificate from a caller and determining a location of a called party identified in the digital voice call setup request. The method also includes transmitting the digital voice call setup request with the caller certificate to the called party and receiving a called party acceptance message. The method further includes verifying the called party acceptance message and transmitting the called party acceptance message and a called party certificate to the caller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.