Mechanism for protecting H.323 networks for call set-up functions
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United States of America Patent
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Mar 26, 2013
Grant Date -
Mar 26, 2009
app pub date -
Jul 3, 2006
filing date -
Jul 12, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a network in which to set up a call to a called endpoint a calling endpoint sends (4) the called endpoint a call set-up message including a source information element identifying the calling endpoint and a destination information element identifying the called endpoint, the call is set up on condition that the call set-up message contains a first token value (J) that corresponds to a second token value given by an equation that includes said source information element, said destination information element, and a random information element generated by the network to be associated secretly with the first token value in the network.
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