Patent · US Expired

Address definition for IP telephony services

US6735209B1 · kind B1 · utility

19Cited by
80References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 29, 1999
Grant dateMay 11, 2004
Priority date
Expiry dateJul 29, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04Q3/0025
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A method of providing IP telephony services maps a telephony signaling protocol called party number nature of address indicator to an Internet signaling protocol nature of address indicator and a telephony signaling protocol called party number numbering plan indicator to an Internet signaling protocol numbering plan indicator.

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