Patent · US Expired

Private branch exchange implemented using H.323 gatekeeper

US6819665B1 · kind B1 · utility

10Cited by
10References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 4, 2000
Grant dateNov 16, 2004
Priority date
Expiry dateMay 4, 2020

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M7/006
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A network implemented communication system, comprising a Local Area Network (LAN), a plurality of H.323 endpoints connected to the LAN, each of the endpoints including a communication application for communicating via H.323, at least one H.323 Gatekeeper connected to the LAN for third party control of communications between the H.323 endpoints, and software within each of the H.323 endpoints and the H.323 Gatekeeper for implementing features which do not require direct connection between the H.323 endpoints.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.