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TECHNICAL SPECIFICATION
Universal Mobile Telecommunications System (UMTS);
LTE;
Digital cellular telecommunications system (Phase 2+) (GSM);
3G security;
Handover interface for Lawful Interception (LI)
(3GPP TS 33.108 version 15.4.0 Release 15)
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3GPP TS 33.108 version 15.4.0 Release 15 1 ETSI TS 133 108 V15.4.0 (2019-05)
Reference
RTS/TSGS-0333108vf40
Keywords
GSM,LTE,SECURITY,UMTS
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3GPP TS 33.108 version 15.4.0 Release 15 2 ETSI TS 133 108 V15.4.0 (2019-05)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org/).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
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Foreword
This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or
GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
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3GPP TS 33.108 version 15.4.0 Release 15 3 ETSI TS 133 108 V15.4.0 (2019-05)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 13
Introduction . 13
1 Scope . 14
2 References . 14
3 Definitions and abbreviations . 18
3.1 Definitions . 18
3.2 Abbreviations . 20
4 General . 22
4.0 Introduction . 22
4.1 Basic principles for the handover interface . 22
4.2 Legal requirements . 22
4.3 Functional requirements . 23
4.4 Overview of handover interface . 23
4.4.0 Introduction. 23
4.4.1 Handover interface port 2 (HI2) . 24
4.4.2 Handover interface port 3 (HI3) . 24
4.5 HI2: Interface port for intercept related information . 24
4.5.0 General . 24
4.5.1 Data transmission protocols . 25
4.5.2 Application for IRI (HI2 information) . 25
4.5.3 Types of IRI records . 25
4.6 Reliability . 26
5 Circuit-switch domain . 27
5.0 General . 27
5.1 Specific identifiers for LI . 27
5.1.0 Introduction. 27
5.1.1 Lawful Interception IDentifier (LIID) . 27
5.1.2 Communication IDentifier (CID) . 27
5.1.2.0 General . 27
5.1.2.1 Network Identifier (NID) . 28
5.1.2.2 Communication Identity Number (CIN) - optional . 28
5.1.3 CC link identifier (CCLID) . 28
5.1.4 Correlation of CC and IRI . 28
5.1.5 Usage of Identifiers . 29
5.2 HI2: interface port for IRI . 30
5.2.1 Definition of Intercept Related Information . 30
5.2.2 Structure of IRI records . 30
5.2.2.0 General . 30
5.2.2.1 Control Information for HI2 . 30
5.2.2.2 Basic call information . 31
5.2.2.3 Information on supplementary services, related to a call in progress . 31
5.2.2.4 Information on non-call related supplementary services . 32
5.2.3 Delivery of IRI . 32
5.3 HI3: interface port for Content of Communication . 36
5.3.0 General . 36
5.3.1 CS-based Delivery of Content of Communication . 37
5.3.2 Control information for Content of Communication . 38
5.3.3 Security requirements at the interface port of HI3 . 39
5.3.3.0 General . 39
ETSI
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3GPP TS 33.108 version 15.4.0 Release 15 4 ETSI TS 133 108 V15.4.0 (2019-05)
5.3.3.1 LI access verification . 39
5.3.3.2 Access protection . 40
5.3.3.3 Authentication . 40
5.4 LI procedures for supplementary services . 40
5.4.1 General . 40
5.4.2 CC link Impact . 43
5.4.3 IRI Impact, General Principle for Sending IRI records . 43
5.4.4 Multi party calls - general principles, options A, B . 43
5.4.4.0 General . 43
5.4.4.1 CC links for active and non-active calls (option A) . 43
5.4.4.2 Reuse of CC links for active calls (option B) . 44
5.4.5 Subscriber Controlled Input (SCI): Activation / Deactivation / Interrogation of Services . 45
5.5 Detailed procedures for supplementary services . 45
5.5.1 Advice of Charge services (AOC) . 45
5.5.2 Call Waiting (CW) . 45
5.5.2.1 Call Waiting at target: CC links . 45
5.5.2.2 Call Waiting: IRI records . 45
5.5.2.2.1 Target is served user . 45
5.5.2.2.2 Other party is served user . 45
5.5.3 Call Hold/Retrieve . 45
5.5.3.1 CC links for active and non-active calls (option A) . 45
5.5.3.2 Reuse of CC links for active calls (option B) . 45
5.5.3.3 IRI records. 46
5.5.3.3.1 Invocation of Call Hold or Retrieve by target . 46
5.5.3.3.2 Invocation of Call Hold or Retrieve by other parties . 46
5.5.4 Explicit Call Transfer (ECT) . 46
5.5.4.1 Explicit Call Transfer, CC link . 46
5.5.4.2 Explicit Call Transfer, IRI records . 46
5.5.5 Calling Line Identification Presentation (CLIP) (IRI Records) . 46
5.5.5.1 Call originated by target (target is served user) . 46
5.5.5.2 Call terminated at target (other party is served user) . 46
5.5.6 Calling Line Identification Restriction (CLIR) . 46
5.5.7 COnnected Line identification Presentation (COLP) . 47
5.5.7.1 Call terminated at target (target is served user) . 47
5.5.7.2 Call originated by target (other party is served user) . 47
5.5.8 COnnected Line identification Restriction (COLR) . 47
5.5.9 Closed User Group (CUG) . 47
5.5.10 Completion of Call to Busy Subscriber (CCBS) . 47
5.5.11 Multi ParTY call (MPTY) . 47
5.5.11.1 General . 47
5.5.11.2 IRI records. 47
5.5.12 DIVersion Services (DIV) . 47
5.5.12.0 General . 47
5.5.12.1 Call Diversion by Target . 48
5.5.12.1.1 Call Diversion by Target, CC links . 48
5.5.12.1.2 Call Diversion by Target, IRI records . 48
5.5.12.2 Forwarded Call Terminated at Target . 48
5.5.12.3 Call from Target Forwarded . 48
5.5.13 Variants of call diversion services . 48
5.5.14 SUBaddressing (SUB) . 49
5.5.15 User-to-User Signalling (UUS). 49
5.5.16 Incoming Call Barring (ICB) . 49
5.5.17 Outgoing Call Barring (OCB) . 49
5.5.18 Tones, Announcements . 49
5.6 Functional architecture . 49
5.7 IP-based handover interface for CC . 50
5.7.1 General . 50
5.7.2 Identifiers . 51
5.7.3 Voice Content Direction . 52
5.7.4 Payload Description . 52
5.7.5 Sequence Number . 52
ETSI
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3GPP TS 33.108 version 15.4.0 Release 15 5 ETSI TS 133 108 V15.4.0 (2019-05)
6 Packet data domain . 53
6.1 Identifiers . 53
6.1.0 Introduction. 53
6.1.1 Lawful interception identifier . 53
6.1.2 Network identifier . 53
6.1.3 Correlation number . 53
6.2 Timing and quality . 54
6.2.1 Timing . 54
6.2.2 Quality . 54
6.2.3 Void . 54
6.3 Security aspects . 54
6.4 Quantitative aspects . 54
6.5 IRI for packet domain . 55
6.5.0 Introduction. 55
6.5.1 Events and information . 61
6.5.1.0 General . 61
6.5.1.1 REPORT record information . 61
6.5.1.2 BEGIN record information . 70
6.5.1.3 CONTINUE record information . 72
6.5.1.4 END record information . 74
6.6 IRI reporting for packet domain at GGSN . 75
6.7 Content of communication interception for packet domain at GGSN . 75
7 Multi-media domain . 76
7.0 Introduction . 76
7.1 Identifiers . 77
7.1.0 General . 77
7.1.1 Lawful Interception Identifier (LIID) . 77
7.1.2 Network identifier . 78
7.1.3 Correlation number . 78
7.2 Timing and quality . 79
7.2.1 Timing . 79
7.2.2 Quality . 79
7.2.3 Void . 79
7.3 Security aspects . 79
7.4 Quantitative aspects . 79
7.5 IRI for IMS . 80
7.5.0 Introduction. 80
7.5.1 Events and information . 84
7.6 Correlation indications of IMS IRI with GSN CC at the LEMF . 88
7.7 Void . 88
8 3GPP WLAN Interworking . 88
8.0 General . 88
8.1 Identifiers .
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