Call control using a layered call model
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United States of America Patent
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Oct 28, 2008
Grant Date -
Apr 7, 2005
app pub date -
Oct 3, 2003
filing date -
Oct 3, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
An aspect of the present invention provides a method of controlling a multi-layer transport network. In accordance with the invention a determination is made as to whether a connection supporting a performance requirement of a call can be established within a first layer of the network. If the connection cannot be established, an association is defined between the call and a second call instantiated within a respective server layer of the network. By this means a network call controller in a client layer relies on a call and connection in a server layer instead of a connection in the client layer.
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