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:
Aug. 10, 2004
Filed:
Jul. 14, 1999
Ros-Marie Furtenback, Johanneshov, SE;
Magnus Hallenstål, Täby, SE;
Jan Alvar Gjärdman, Farsta, SE;
Tomas Nylander, Stavsnas, SE;
Michael Ranjel, Delahey, AU;
Telefonaktiebolaget LM Ericsson, Stockholm, SE;
Abstract
ATM is used as a transport and switching mechanism in a hybrid STM/ATM network ( ), while the signaling remains normal narrowband signaling. The narrowband signaling is transported on permanent paths over ATM connections, and the narrowband speech channels are transported on ATM and switched on a “per call basis” (on-demand) through an ATM switch. The hybrid STM/ATM network has an access node ( ) which services narrowband terminals and which generates a signaling message in connection with call setup. A translator ( ) formats the first signaling message into ATM cells so that the first signaling message can be routed through an ATM switch ( ) to a circuit switched (STM) node ( ). The circuit switched node (PSTN/ISDN) sets up a physical connection for the call and generates a further signaling message for the call, the further signaling message pertaining to the physical connection. The ATM switch routes an ATM cell-formatted version of the further signaling message to another ATM switch over an ATM physical interface ( ). Thus, the ATM switch switches both narrow band traffic and signaling for the call over the ATM physical interface.