Anti-inbound traffic redirection system
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United States of America Patent
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Issued Date -
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app pub date -
Sep 29, 2006
filing date -
Aug 5, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system for countering an inbound traffic redirection (ITR) attempt for an inbound roaming mobile station is provided. The ITR attempt is initiated by a first Visiting Public Mobile Network (VPMN). The system includes a TR probe for detecting an ITR attempt by observing receipt of one or more registration response messages at a second VPMN from the HPMN during an ongoing location update transaction of the inbound roaming mobile station between the second VPMN and the HPMN. The system further includes a countering unit for thwarting the ITR attempt by sending one or more location update (LU) messages from the second VPMN in response to at least one registration response messages message received from a switch.
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