Patent · US Expired

Method and apparatus for group call services

US6904023B2 · kind B2 · utility

6Cited by
2References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 2003
Grant dateJun 7, 2005
Priority date
Expiry dateJun 9, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W88/18
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

The voice signaling gateway (10) provides group call and call back services among iDEN network (20) users (21) and a number of other various networks (30-60) users (31-62). The voice signaling gateway has packet data interface (17) and web interface (16) In an alternate embodiment of the invention, an integrated applications server (70) is added to the voice signaling gateway (100) to provide group call services. The integrated applications server has the functions for supporting group calls which were within the voice signaling gateway (10) and forms a stand-alone special feature system.

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