Patent · US Active

Method and apparatus for bridging calls between two disparate push-to-talk systems

US8406798B2 · kind B2 · utility

3Cited by
5References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 2009
Grant dateMar 26, 2013
Priority date
Expiry dateDec 2, 2030

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W92/02
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A PTT bridging gateway between a first PTT system and a second disparate PTT system: receives an invitation to a first client to join a first group call for a first group comprising multiple member clients on the first PTT system, wherein the first client is one of the member clients of the first group; determines that the first client is mapped to a second group comprising multiple member clients on the second PTT system; and initiates a second group call to the multiple member clients on the second PTT system.

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