Call information based matching system for stored program-controlled switching system
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United States of America Patent
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Nov 29, 1994
Grant Date -
N/A
app pub date -
Aug 17, 1992
filing date -
Aug 16, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method for matching information between a first and a second processor to preserve a call includes determination units each provided in the respective processor. When a communications link experiences a fault, the determination units determines whether or not information items, respectively, in first and second processors, are to be preserved. A transmission unit notifies a match unit in a second processor of a determination of the call preservation. The match unit in the second processor compares the received information with an information to be preserved by the information of the second processor, and notifies the first processor of a result of a match or a non-match. A first initialization unit and a second initialization unit initialize their information items, respectively in the first and second processors, based on the result.
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