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:
Feb. 05, 2008
Filed:
Jul. 01, 2002
Keiji Fukui, Tokyo, JP;
Keiji Fukui, Tokyo, JP;
NEC Infrontia Corporation, Kanagawa, JP;
Abstract
A voice channel selection system for use in VoIP communication includes a plurality of VoIP trunk packages and a switchboard for bidirectional connection to the Internet via this plurality of VoIP trunk packages. The switchboard is provided with a call control unit. The plurality of VoIP trunk packages are respectively provided with voice signal processing units for processing voice signals and control signal processing units for processing call control signals. When an unoccupied voice channel is present in the voice signal processing unit of the VoIP trunk package, the call control unit of the switchboard forms voice communication paths on the basis of call control signals received by the control signal processing units.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile