The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 13, 2008

Filed:

Sep. 05, 2003
Applicants:

Urich Abel, Essen, DE;

Bruno Bozionek, Borchen, DE;

Roland Roth, Gelsenhirchen, DE;

Rainer Zimmermann, Paderborn, DE;

Inventors:

Urich Abel, Essen, DE;

Bruno Bozionek, Borchen, DE;

Roland Roth, Gelsenhirchen, DE;

Rainer Zimmermann, Paderborn, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 3/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

At least one switching instance is provided in a VoIP system in order to set up a useful data link between a calling terminal and a called terminal. A first signaling link is set up between each terminal and the at least one switching instance for interchanging information on the basis of a first protocol, a second signaling link is set up between them for interchanging information on the basis of a standardization second protocol, in which the useful data link is set up on the basis of the information interchanged on the basis of the second protocol. At least the second signaling link is initiated by the calling terminal, with the information which is transmitted via the first signaling link and in parallel via the second signaling link from the terminals being in each case combined.


Find Patent Forward Citations

Loading…