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TS 33.108 (SA3)
3G Security – Handover interface for Lawful Interception (LI)

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(P) V14.2.0    2017/09    315 p.
(P) V13.6.0    2017/06    294 p.
(P) V12.14.0    2017/06    260 p.
(P) V11.7.0    2015/12    197 p.
(P) V10.7.0    2015/12    195 p.
(P) V9.8.0    2014/12    194 p.
(P) V8.14.0    2012/09    193 p.
(P) V7.10.0    2011/01    128 p.
(P) V6.10.0    2005/12    106 p.
(P) V5.9.1    2005/01    69 p.

Rapporteur:  Mr. Rao, Nagaraja
See also:  LI-related TS/TR    

This document addresses the handover interfaces for lawful interception of PacketData Services, Circuit Switched Services, Multimedia Services within the Universal Mobile Telecommunication System (UMTS) and Evolved Packet System (EPS). The specification defines the handover interfaces for delivery of lawful interception Intercept Related Information (IRI) and Content of Communication (CC) to the Law Enforcement Monitoring Facility.

Laws of individual nations and regional institutions (e.g. European Union), and sometimes licensing and operating conditions define a need to intercept telecommunications traffic and related information in modern telecommunications systems. It has to be noted that lawful interception shall always be done in accordance with the applicable national or regional laws and technical regulations. Nothing in this specification, including the definitions, is intended to supplant national law.


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1   Scope [R5]   PDF-p. 13
2   References [R5]
3   Definitions and abbreviations [R5]   PDF-p. 17
4   General [R5]   PDF-p. 21
5   Circuit-switch domain [R5]      Up
5.0   General [R12]
5.1   Specific identifiers for LI [R6]
5.2   HI2: interface port for IRI [R6]
5.3   HI3: interface port for Content of Communication [R6]   PDF-p. 35
5.4   LI procedures for supplementary services [R6]      Up
5.5   Detailed procedures for supplementary services [R6]
5.5.1   Advice of Charge services (AOC)      Up
5.5.2   Call Waiting (CW)
5.5.3   Call Hold/Retrieve
5.5.4   Explicit Call Transfer (ECT)
5.5.5   Calling Line Identification Presentation (CLIP) (IRI Records)
5.5.6   Calling Line Identification Restriction (CLIR)
5.5.7   COnnected Line identification Presentation (COLP)   PDF-p. 45
5.5.8   COnnected Line identification Restriction (COLR)
5.5.9   Closed User Group (CUG)
5.5.10   Completion of Call to Busy Subscriber (CCBS)
5.5.11   Multi ParTY call (MPTY)
5.5.12   DIVersion Services (DIV)
5.5.13   Variants of call diversion services
5.5.14   SUBaddressing (SUB)   PDF-p. 47
5.5.15   User-to-User Signalling (UUS)
5.5.16   Incoming Call Barring (ICB)
5.5.17   Outgoing Call Barring (OCB)
5.5.18   Tones, Announcements      Up
5.6   Functional architecture [R6]

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