Tracing of signalling messages

Details Tracing of signalling messages Tracing of signalling messages

1999-08-16

2010-11-02

Cho, Un C (Department: 2617)

Telecommunications

Radiotelephone system

Security or fraud prevention

C455S405000, C455S406000, C455S408000, C379S114140

Reexamination Certificate

active

07826823

ABSTRACT:
A method, system and network element for tracing signaling messages related to a subscriber in a mobile communication system. In the solution according to the invention a functional entity of the mobile communication system receives a trace command which indicates the tracer and identifies at least one subscriber whose signaling messages are to be traced, and tracing is started, tracing comprising the steps of: copying the signaling message in response to reception or transmission of a signaling message related to the subscriber to be traced, and sending a copy to the tracer.

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NPL, Japanese Office Action with English translation dated Dec. 1, 2008 for corresponding Japanese applicaiton 2000-567045, 4 pp.

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