Tracing of a malicious call

Details Tracing of a malicious call Tracing of a malicious call

2007-01-09

2007-01-09

Eng, George (Department: 2617)

Telecommunications

Radiotelephone system

Special service

C455S414200, C379S211010, C379S088190

Reexamination Certificate

active

10221717

ABSTRACT:
The invention relates to tracing of a malicious call to be implemented in a telecommunications network, especially in a mobile communication network. The inventive idea is that the called subscriber activates the tracing service in real time on finding the call to be malicious. One way of activating the tracing service is a service code sent from the called subscriber's terminal equipment and defined by the operator. The means required for implementing the service may be located according to the operator's wishes either in a mobile services switching center or in an intelligent network.

REFERENCES:
patent: 4530051 (1985-07-01), Johnson et al.
patent: 5590171 (1996-12-01), Howe et al.
patent: 5706338 (1998-01-01), Relyea et al.
patent: 6009321 (1999-12-01), Wang et al.
patent: 0 439 927 (1990-12-01), None
patent: 0 941 005 (1999-09-01), None
patent: WO 97/42784 (1997-11-01), None
patent: WO 99/04546 (1999-01-01), None

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