Method of implementing IP telephone gatekeeper group and gatekeeper system
US7403534B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2002 |
| Grant date | Jul 22, 2008 |
| Priority date | — |
| Expiry date | Apr 10, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/1106
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention provides an IP telephone gatekeeper system and an implementation method thereof, characterized in that two or more individual gatekeepers are connected each other, so as to forming a gatekeeper system that can be regarded as a single gatekeeper system by the controlled gateways, in which the gatekeepers can substitute and backup mutually. A plurality of computer systems are used to realized the cooperation of a plurality of gatekeepers, for breaking through the limit of capacity of individual gatekeeper group and improving the reliability of the whole system, so that backing-up and substituting mutually can be achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.