Voice gateways, route selection method of the same, and memory medium for storing control programs of the same
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United States of America Patent
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Jun 21, 2005
Grant Date -
N/A
app pub date -
Sep 1, 1999
filing date -
Sep 3, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A route selection method includes the steps of hierarchically dividing voice gateways, allocating necessary information for a route selection to the respective voice gateways, controlling an originating voice gateway to transmit a destination inquiring message to a destination voice gateway via other gateways, and controlling the destination voice gateway to transmit a destination determination message to the originating voice gateway.
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