Methods and systems for detecting IP route failure and for dynamically re-routing VoIP sessions in response to failure
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United States of America Patent
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Jan 4, 2011
Issued Date -
N/A
app pub date -
Dec 17, 2004
filing date -
Oct 7, 2004
priority date (Note) -
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Abstract
Methods and systems for detecting IP route failure using a request-reply protocol, such as address resolution protocol (ARP), and for dynamically re-routing VoIP sessions in a VoIP device in response to failure of an IP route are disclosed. A plurality of IP routes are established between a first VoIP device and a second VoIP device. VoIP sessions are assigned to the IP routes. ARP is used to detect a failure of an IP route. In response to detecting a failure of at least one IP route, VoIP sessions are rerouted from the failed IP route to an alternate IP route.
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