System and method for accomplishing special call treatment in a voice over internet protocol telephone system
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United States of America Patent
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Sep 11, 2012
Grant Date -
May 4, 2006
app pub date -
Dec 9, 2005
filing date -
Nov 16, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method for treating a VoIP call in a special fashion when the call is to be routed from an originating gateway to a destination gateway over the Internet. The system and method make use of a special decline destination gateway which may be configured to return a special cost code to the originating gateway when the originating gateway attempts to establish a telephone call with the decline destination gateway. A routing controller of the system would provide the originating gateway with a list of potential destination gateways, and the decline destination gateway would always be the last entry on the list. This would cause the originating gateway to first attempt to place the call through the other potential destination gateways. However, if none of the other destination gateways can be used, the originating gateway will ultimately attempt to place the call through the decline destination gateway. When the originating gateway receives back the special cost code from the decline destination gateway, the originating gateway would know to treat the call in a special fashion. In some embodiments, the decline destination gateway itself might treat the call in the special fashion.
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