Correlation of signalling messages

Details Correlation of signalling messages Correlation of signalling messages

2006-05-30

2006-05-30

Nguyen, Chau (Department: 2661)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S496000, C370S522000

Reexamination Certificate

active

07054325

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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