Patent · US Expired

Method and apparatus for interworking between internet protocol (IP) telephony protocols

US6885658B1 · kind B1 · utility

81Cited by
6References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 18, 2000
Grant dateApr 26, 2005
Priority date
Expiry dateFeb 18, 2020

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L69/169
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method and an apparatus for interworking between internet protocol (IP) telephony protocols includes a call server. The call server includes a first protocol agent for communicating with a first protocol device according to a first protocol. A second protocol agent communicates with a second protocol device according to a second protocol. An interworking agent provides functions usable by the first and second protocol agents to communicate with each other according to a third protocol. The third protocol is a superset of functions provided by the first and second protocols.

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