Patent ID: 7327712
Filing Date: 2008-02-05
Classification: H04L,H04M,H04Q

Abstract:
1. A voice channel selection system, comprising: a plurality of VoIP trunk packages; and a switchboard, the switchboard comprising ports for connection, via individual ones of plural VoIP trunk packages, to the Internet, a call control unit connected operatively to the ports and which, on the basis of an entered call control signal, utilizes the voice signal processing unit of one VoIP trunk package on which any unoccupied voice channel is present out of said plurality of VoIP trunk packages to form a voice communication path from a first voice terminal to a second voice terminal, the formed voice communication path being via the unoccupied voice channel of the one VoIP trunk package and the Internet, the switchboard connecting said plurality of trunk packages to each other so that the one VoIP trunk package is connected to another VoIP trunk package and the formed voice communication path is from the first voice terminal to the second voice terminal via the unoccupied voice channel of the one VoIP trunk package and a voice channel of the another VoIP trunk package; and a call control table, wherein said call control table contains information on matching among the call number of said call control signal, the package number of the trunk package to which said signal processing unit for processing said call control signal belongs, the package number of said trunk package on which said unoccupied voice channel is present, and the channel number of said unoccupied voice channel.