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1. (WO2018199820) METHODS AND NODES IN A LAWFUL INTERCEPTION SYSTEM

Pub. No.:    WO/2018/199820    International Application No.:    PCT/SE2017/050410
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Thu Apr 27 01:59:59 CEST 2017
IPC: H04L 29/06
Applicants: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Inventors: ORABONA, Luciano
SANTORO, Pompeo
SENATORE, Andrea
VILLANI, Elvira
Title: METHODS AND NODES IN A LAWFUL INTERCEPTION SYSTEM
Abstract:
The present disclosure relates to the problem to deliver correlation information, CN, in case of CC delivery in TDM format to a Monitoring Centers, MC in a circuit switched network and achieving a minimal impact to MCs and/or no impact on the operator network at all. Said problem is solved by using the extension field of calling or called party number for providing the correlation number to a MC from a Mediation Function entity.