Correlation of signalling messages
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United States of America Patent
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May 30, 2006
Grant Date -
N/A
app pub date -
Oct 5, 2000
filing date -
Oct 8, 1999
priority date (Note) -
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Abstract
Signalling messages conforming to different signalling protocols in a distributed switch telecommunications network are correlated by associating specific pairs of messages according to parameters they have in common. Inter-MGC IAMs and SS7 IAMs are correlated by the combination of Calling & Called address parameters; the connection descriptor parameter included in inter-MGC IAMs and MGCP OK messages can be used to correlate these messages; and the MGCP OK message can be correlated with the MGCP CRCX message using the transaction ID. Hence a correspondence can be deduced between an MGCP endpointname (in the CRCX message) and an ISUP OPC-DPC-CIC identification (in the SS7 IAM).
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