Patent · US Expired

Method and device for establishing a conference call between a plurality of user terminals of a communication network

US7526281B2 · kind B2 · utility

2Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 2004
Grant dateApr 28, 2009
Priority date
Expiry dateAug 22, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M2250/62
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A method of establishing a conference call in a communication network between a plurality of user terminals each having an identifier. The method comprising receiving a first list of identifiers corresponding to the user terminals with whom the conference call is to be established. At least one of the identifiers represents a second list comprising a plurality of other user terminals each having their own other identifiers. The conference call is established with the user terminals in the first list and the other user terminals represented by the at least one identifier in the first list.

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