Rare probability connection call registration method for asynchronous transfer mode switching system
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United States of America Patent
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Aug 31, 1999
Grant Date -
N/A
app pub date -
Dec 10, 1996
filing date -
Sep 4, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved rare probability connection call registration method which utilizes automatic congestion level (ACL) information within a release message for an asynchronous transfer mode (ATM) switching system. The method includes the steps of setting a predetermined threshold value, receiving a call releasing message, checking automatic congestion level (ACL) information in the call release message, and determining whether an ACL information is set. When the ACL information is not set continuous checks are made, and the method continues by increasing the count value when the ACL information is set, and it is determined whether the value of the ACL counter is greater than a predetermined threshold value. The method continues by registering a corresponding code as a rare probability connection call (RPCC) when the value of the counter is greater than the threshold value, outputting the corresponding code to an operator through an operator terminal, requesting call control with respect to the call request which is routed to the corresponding route, and clearing the value of the counter when the value of the counter is less than the threshold value after the measurement unit time has passed.
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