10 Interception

03.543GPPDescription for the use of a Shared Inter Working Function (SIWF) in a GSM PLMNStage 2TS

The service definition (stage 1) on Lawful Interception (GSM 02.33) states that all tele and bearer services are subject to interception.

Provided that a mechanism for the interception of dataservice exists, interception is supported for both Loop or Non Loop method.

Annex A (informative):
Change Request History

Change history

SMG No.

TDoc. No.

CR. No.

Section affected

New version

Subject/Comments

SMG#22

5.0.0

ETSI Publication

SMG#23

97/698

A001

A002

A003

5.1.0

Definition of visited MSC

Clarifications of ISUP procedures

Number of MSCs that can access an SIWF

SMG#24

97/920

A004

A005

A006

A007

5.2.0

Clarification on the MAP Dialogue

Correlation of ISUP messages

Dedicated services (BS4x or BS5x) should not be restricted to the non loop method

RR parameters over the K-interface

SMG#27

6.0.0

Release 1997 version

SMG#29

7.0.0

Release 1998 version