Selection system, its selection method for voice channels, and switchboard for use therein
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United States of America Patent
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Feb 5, 2008
Grant Date -
Jan 2, 2003
app pub date -
Jul 1, 2002
filing date -
Jun 29, 2001
priority date (Note) -
In Force
status (Latency Note)
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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.
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