Patent · US Expired

System for placement of a long distance telephone carrier point-of-presence and call routing

US4972464A · kind A · utility

43Cited by
1References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 1, 1989
Grant dateNov 20, 1990
Priority date
Expiry dateNov 1, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04Q3/0016
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A system is disclosed for determining the transport costs of long distance traffic to a long distance carrier having a point-of-presence in a local access and transport area (LATA) by the addition of one or more points-of-presence to the area, and for determining the lowest cost routing of long distance traffic through a carrier's points-of-presence in a LATA.

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