Patent · US Expired

Method and apparatus for enhanced Internet Telephony

US7417981B2 · kind B2 · utility

6Cited by
147References
52Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 2003
Grant dateAug 26, 2008
Priority date
Expiry dateMar 29, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L65/1104
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus for enhanced Internet telephony ensures that communication between a source and destination is not interrupted by common network address translation. According to one aspect of the invention, communication may continue through a router that employs network address translation.

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