ROUTING VOIP CALLS THROUGH MULTIPLE SECURITY ZONES
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United States of America Patent
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app pub date -
Apr 30, 2012
filing date -
Oct 25, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Call setup signaling is performed across at least a first security zone, a second security zone, and a third security zone to set up a call. At least one gate is then established between the first security zone and the third security zone to enable traffic flow for the call between the first security zone and the third security zone.
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