Patent · US Expired

Method and system for providing voice communication over data networks

US7092380B1 · kind B1 · utility

54Cited by

23References

31Claims

0Family size

Assignee

Cisco Technology, Inc. · US

Inventors

Michael Chen · Sunnyvale, US
Jan Fandrianto · Los Gatos, US
Chun-Chau Lin · Cupertino, US
Michael P. Sadikun · San Jose, US
Budi Sutardja · San Francisco, US
Ramah Sutardja · Cupertino, US

Key dates

Filing date	Apr 5, 2000
Grant date	Aug 15, 2006
Priority date	—
Expiry date	Apr 5, 2020

Classification

Technology area (CPC H)Electricity
CPC primaryH04L61/5076
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method and system are disclosed in which an Internet subscriber can establish real-time voice conversations over the Internet. By performing a call negotiation scheme to identify and locate the other calling party, an Internet telephone can establish a voice communication channel over the Internet to a telephony or computer device.

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