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.
Patent No.:
Date of Patent:
Dec. 26, 2006
Filed:
Sep. 13, 2000
Antonius Emmerink, Munich, DE;
Egon Klein, Germering, DE;
Andreas Steffan, Munich, DE;
Rainer Windecker, Munich, DE;
Steffi Winkler, Gauting, DE;
Antonius Emmerink, Munich, DE;
Egon Klein, Germering, DE;
Andreas Steffan, Munich, DE;
Rainer Windecker, Munich, DE;
Steffi Winkler, Gauting, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
The invention describes a novel private branch exchange and the migration solution with respect to existing devices. Communication connections are established via a transport network, the control takes place in a centralized manner by means of a central control device, which is connected to the decentralized switching devices and the interface modules via a two-stage connection, a collection and distribution of the control messages being carried out in a decentralized manner and the control connection from the respective decentralized device to the central control being provided by an ATM network or an Ethernet connection.