SIST-TS ETSI/TS 101 671 V1.1.1:2005

Telecommunications security; Lawful interception (LI); Handover interface for the lawful interception of telecommunications traffic

Revision of ES 201 671 to support IP-based and other new telecommunications technologies.

Telekomunikacijska varnost – Zakonito prestrezanje (LI) – Izročilni vmesnik za zakonito prestrezanje telekomunikacijskega prometa

General Information

• Status: Published
• Publication Date: 30-Apr-2005
• ICS: 33.020 - Telecommunications in general
• Technical Committee: SPN - Services and Protocols for Networks
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-May-2005
• Due Date: 01-May-2005
• Completion Date: 01-May-2005
• Ref Project: ETSI TS 101 671 V1.1.1 (2001-07) - Telecommunications security; Lawful interception (LI); Handover interface for the lawful interception of telecommunications traffic

Standards Content (Sample)

SLOVENSKI STANDARD
SIST-TS ETSI/TS 101 671 V1.1.1:2005
01-maj-2005
7HOHNRPXQLNDFLMVNDYDUQRVW±=DNRQLWRSUHVWUH]DQMH/,±,]URþLOQLYPHVQLN]D
]DNRQLWRSUHVWUH]DQMHWHOHNRPXQLNDFLMVNHJDSURPHWD
Telecommunications security; Lawful interception (LI); Handover interface for the lawful
interception of telecommunications traffic
Ta slovenski standard je istoveten z: TS 101 671 Version 1.1.1
ICS:
33.020 Telekomunikacije na splošno Telecommunications in
general
SIST-TS ETSI/TS 101 671 V1.1.1:2005 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

SIST-TS ETSI/TS 101 671 V1.1.1:2005

---------------------- Page: 2 ----------------------

SIST-TS ETSI/TS 101 671 V1.1.1:2005
ETSI TS 101 671 V1.1.1 (2001-07)
Technical Specification
Telecommunications security;
Lawful Interception (LI);
Handover interface for the lawful interception
of telecommunications traffic

---------------------- Page: 3 ----------------------

SIST-TS ETSI/TS 101 671 V1.1.1:2005
2 ETSI TS 101 671 V1.1.1 (2001-07)
Reference
DTS/SEC-003009
Keywords
data, handover, interface, security, speech
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: [phone] Fax: [phone]
Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88
Important notice
Individual copies of the present document can be downloaded from:
http://www.etsi.org
The present document may be made available in more than one electronic version or in print. In any case of existing or
perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF).
In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific networkdrive
within ETSI Secretariat.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at http://www.etsi.org/tb/status/
If you find errors in the present document, send your comment to:
[e-mail]
Copyright Notification
No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2001.
All rights reserved.
ETSI

---------------------- Page: 4 ----------------------

SIST-TS ETSI/TS 101 671 V1.1.1:2005
3 ETSI TS 101 671 V1.1.1 (2001-07)
Contents
Intellectual Property Rights .8
Foreword.8
1 Scope.9
2 References.9
3 Definitions and abbreviations.12
3.1 Definitions . 12
3.2 Abbreviations. 14
4 General requirements.16
4.1 Basic principles for the handover interface. 16
4.2 Legal requirements. 17
4.3 Functional requirements . 17
5 Overview of handover interface .17
5.1 Handover Interface port 1 (HI1). 18
5.1.1 Manual interface . 19
5.1.2 Electronic interface . 19
5.2 Handover Interface port 2 (HI2). 19
5.3 Handover Interface port 3 (HI3). 19
6 Specific identifiers for LI.19
6.1 Lawful Interception IDentifier (LIID) . 20
6.2 Communication IDentifier (CID). 20
6.2.1 Network IDentifier (NID). 20
6.2.2 Communication Identity Number (CIN) - optional. 21
7 HI1: Interface port for administrative information.21
7.1 Information for the activation of lawful interception. 21
7.2 LI notifications towards the LEMF . 21
8 HI2: Interface port for intercept related information .22
8.1 Data transmission protocols . 22
8.1.1 Application for IRI (HI2 information) . 22
8.2 Types of IRI records. 23
9 HI3: Interface port for content of communication.23
10 Performance and quality .23
10.1 Timing. 23
10.2 Quality. 24
11 Security aspects .24
11.1 Security properties. 24
11.2 Security mechanisms. 24
12 Quantitative aspects .25
Annex A (normative): Circuit switched network handover .26
A.1 specific identifiers for LI.26
A.1.1 CC link identifier (CCLID). 26
A.1.2 Circuit switched LI correlation between CC and IRI . 26
A.1.3 Usage of Identifiers . 27
A.2 HI1: interface port for administrative state .27
A.3 HI2: interface port for IRI.27
A.3.1 Definition of Intercept Related Information. 27
A.3.2 Structure of IRI records . 28
ETSI

---------------------- Page: 5 ----------------------

SIST-TS ETSI/TS 101 671 V1.1.1:2005
4 ETSI TS 101 671 V1.1.1 (2001-07)
A.3.2.1 Control information for HI2 . 28
A.3.2.2 Basic call information . 29
A.3.2.3 Information on supplementary services, related to a call in progress. 29
A.3.2.4 Information on non call related supplementary services . 30
A.3.3 Selection of parameters for IRI records. 30
A.3.4 Coding of parameters in IRI records . 32
A.3.5 Information content of the IRI record types. 33
A.4 HI3: interface port for Content of Communication .33
A.4.1 Delivery of Content of Communication. 33
A.4.2 Delivery of packetized Content of Communication (general). 34
A.4.3 Control information for Circuit switched content of communication. 35
A.4.4 Exception Handling. 36
A.4.4.1 Failure of CC links. 36
A.4.4.2 Fault reporting . 36
A.4.5 Security requirements at the interface port HI3. 36
A.4.5.1 LI access verification . 37
A.4.5.2 Access protection. 37
A.4.5.3 Authentication . 37
A.5 LI procedures for circuit switched supplementary services .37
A.5.1 General . 37
A.5.2 CC link Impact. 40
A.5.3 IRI Impact, General Principle for Sending IRI records . 40
A.5.4 Multi party calls - general principles, options A, B. 40
A.5.4.1 CC links for active and non-active calls (option A). 41
A.5.4.2 Reuse of CC links for active calls (option B) . 41
A.5.5 Subscriber Controlled Input (SCI): Activation/Deactivation/Interrogation of Services. 42
A.6 Detailed procedures for circuit switched supplementary services.42
A.6.1 Advice of Charge services (AOC). 42
A.6.2 Call Waiting. 43
A.6.2.1 Call Waiting at target: CC links. 43
A.6.2.2 Call Waiting: IRI records . 43
A.6.2.2.1 Target is served user . 43
A.6.2.2.2 Other party is served user. 43
A.6.3 Call Hold/Retrieve. 43
A.6.3.1 CC links for active and non-active calls (option A). 43
A.6.3.2 Reuse of CC links for active calls (option B) . 43
A.6.3.3 IRI records. 43
A.6.3.3.1 Invocation of Call Hold or Retrieve by target . 43
A.6.3.3.2 Invocation of Hold or Retrieve by other parties .43
A.6.4 Explicit Call Transfer . 44
A.6.4.1 Explicit Call Transfer, CC link. 44
A.6.4.2 Explicit Call Transfer, IRI records. 44
A.6.5 Calling Line Identification Presentation (IRI Records) . 44
A.6.5.1 Call originated by target (target is served user) . 44
A.6.5.2 Call terminated at target (other party is served user). 44
A.6.6 Calling Line Identification Restriction (CLIR) . 44
A.6.7 COnnected Line Identification Presentation (COLP) . 44
A.6.7.1 Call terminated at target (target is served user). 44
A.6.7.2 Call originated by target (other party is served user) . 45
A.6.8 COnnected Line Identification Restriction (COLR). 45
A.6.9 Closed User Group (CUG). 45
A.6.10 Completion of Call to Busy Subscriber (CCBS) . 45
A.6.11 CONFerence call, add-On (CONF). 45
A.6.11.1 CONFerence calls, add On: CC links. 45
A.6.11.2 Conference calls: IRI records . 45
A.6.12 Three Party Service (Conference) . 45
A.6.12.1 CC links. 45
A.6.12.2 Three Party Service, IRI Records. 46
A.6.13 Meet-Me Conference (MMC). 46
A.6.14 Direct Dialling In (DDI) . 46
ETSI

---------------------- Page: 6 ----------------------

SIST-TS ETSI/TS 101 671 V1.1.1:2005
5 ETSI TS 101 671 V1.1.1 (2001-07)
A.6.15 Multiple Subscriber Number (MSN). 46
A.6.16 Diversion Services (DIV) . 46
A.6.16.1 Call Diversion by Target . 46
A.6.16.1.1 Call Diversion by Target, CC links. 46
A.6.16.1.2 Call Diversion by Target, IRI records. 47
A.6.16.2 Forwarded Call Terminated at Target . 47
A.6.16.3 Call from Target Forwarded. 47
A.6.17 Variants of call diversion services. 47
A.6.18 Void. 47
A.6.19 Malicious Call IDentification (MCID) . 47
A.6.20 SUBaddressing (SUB). 47
A.6.21 Terminal Portability (TP). 47
A.6.21.1 CC links. 47
A.6.21.2 IRI records. 47
A.6.21.2.1 Invocation of Terminal Portability by target . 47
A.6.21.2.2 Invocation of Terminal Portability by other parties. 47
A.6.22 User-to-User Signalling (UUS). 48
A.6.23 Abbreviated Address (AA) . 48
A.6.24 Fixed Destination Call (FDC) . 48
A.6.25 Alarm Call (AC)/Wake Up Service (WUS). 48
A.6.26 Incoming Call Barring (ICB) . 48
A.6.27 Outgoing Call Barring (OCB). 48
A.6.28 Completion of Calls on No Reply (CCNR) . 48
A.6.29 Reverse Charging. 48
A.6.30 Line Hunting. 48
A.6.31 Message Wait Indication (MWI). 49
A.6.32 Name display . 49
A.6.33 Tones, Announcements. 49
A.7 Fixed network technologies annex .49
A.8 GSM circuit switched technology annex .49
A.8.1 Functional architecture . 49
A.8.2 Correlation of CC and IRI (see clause 6). 50
A.8.3 HI3 (Delivery of CC). 51
A.8.4 HI2 (Delivery of IRI). 51
A.9 TETRA technology annex.52
Annex B (normative): Packet switched network handover.53
B.1 Specific identifiers for LI.53
B.2 HI1: interface port for administrative state .53
B.3 HI2: interface port for IRI.53
B.3.1 Definition of Interception Related Information for Packet Switched . 53
B.3.2 Exception Handling. 53
B.3.3 Security aspect . 53
B.4 HI3: interface port for content of communication.53
B.5 GPRS technology annex .54
B.5.1 Functional architecture . 54
B.5.2 Correlation. 55
B.5.2.1 Correlation of the present document ID's to GSM ID's. 55
B.5.2.2 GPRS LI correlation between CC and IRI. 55
B.5.3 HI2 (Delivery of IRI). 55
B.5.4 HI3 (Delivery of CC). 56
Annex C (normative): HI2 Delivery mechanisms and procedures.57
C.1 ROSE.57
C.1.1 Architecture . 57
C.1.2 ASE_HI procedures. 58
ETSI

---------------------- Page: 7 ----------------------

SIST-TS ETSI/TS 101 671 V1.1.1:2005
6 ETSI TS 101 671 V1.1.1 (2001-07)
C.1.2.1 Sending part. 58
C.1.2.2 Receiving part. 59
C.1.2.3 Data link management. 59
C.1.2.3.1 Data link establishment. 60
C.1.2.3.2 Data link release. 60
C.1.2.4 Handling of Unrecognized Fields and Parameters . 61
C.1.3 Profiles . 61
C.2 FTP .61
C.2.1 Introduction. 61
C.2.2 Usage of the FTP. 61
C.2.3 Profiles (this clause is informative only) . 62
C.2.4 File content . 64
C.2.5 Exceptional procedures. 64
C.2.6 Other Considerations. 64
Annex D (normative): Structure of data at the handover interface.66
D.1 Syntax definitions .66
D.2 Object tree.67
D.3 HI management operation.68
D.4 LI management notification .69
D.5 Intercept related inform
...