Patent · US Active

Method and communications arrangement for setting up a push-to-talk communications link and push-to-talk client unit

US7555304B2 · kind B2 · utility

2Cited by

9References

27Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Norbert Schwagmann · Braunschweig, DE
Josef Laumen · Hildesheim, DE
Andreas Schmidt · Braunschweig, DE

Key dates

Filing date	Mar 2, 2005
Grant date	Jun 30, 2009
Priority date	—
Expiry date	Oct 30, 2026

Classification

Technology area (CPC H)Electricity
CPC primaryH04W76/10
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Within the scope of a setup of a push-to-talk communications link, a link setup message is transmitted from a first push-to-talk client unit to a push-to-talk server unit. The link setup message contains a mode information item which specifies whether the client unit desires a setup of the communications link in the unconfirmed indication mode or in the confirmed indication mode.

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