Patent · US Expired

Enhanced line card and packetizing CPE for lifeline packet voice telephone

US7010026B1 · kind B1 · utility

6Cited by
13References
46Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 2000
Grant dateMar 7, 2006
Priority date
Expiry dateNov 30, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M3/12
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A voice and data communication system whereby a line card digitizes and packetizes voice communications signals upon the failure of Customer Premises Equipment (CPE). The system comprises a line card for coupling the CPE with a network. Furthermore, the invention provides a system that can direct the voice signals to either or both of a voice network and a data network.

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