SIST-TS ETSI/TS 102 232-1 V3.33.1:2025
(Main)Lawful Interception (LI) - Handover Interface and Service-Specific Details (SSD) for IP delivery - Part 1: Handover specification for IP delivery
Lawful Interception (LI) - Handover Interface and Service-Specific Details (SSD) for IP delivery - Part 1: Handover specification for IP delivery
RTS/LI-00276-1
Zakonito prestrezanje (LI) - Izročilni vmesnik in storitveno specifične podrobnosti (SSD) za IP-dostavo vsebin - 1. del: Izročilna specifikacija za IP-dostavo vsebin
General Information
Standards Content (Sample)
TECHNICAL SPECIFICATION
Lawful Interception (LI);
Handover Interface and
Service-Specific Details (SSD) for IP delivery;
Part 1: Handover specification for IP delivery
2 ETSI TS 102 232-1 V3.33.1 (2025-04)
Reference
RTS/LI-00276-1
Keywords
handover, IP, lawful interception, security
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871
Important notice
The present document can be downloaded from the
ETSI Search & Browse Standards application.
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format on ETSI deliver repository.
Users should be aware that the present document may be revised or have its status changed,
this information is available in the Milestones listing.
If you find errors in the present document, please send your comments to
the relevant service listed under Committee Support Staff.
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure (CVD) program.
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
No representation or warranty is made that this deliverable is technically accurate or sufficient or conforms to any law
and/or governmental rule and/or regulation and further, no representation or warranty is made of merchantability or fitness
for any particular purpose or against infringement of intellectual property rights.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.
Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2025.
All rights reserved.
ETSI
3 ETSI TS 102 232-1 V3.33.1 (2025-04)
Contents
Intellectual Property Rights . 6
Foreword . 6
Modal verbs terminology . 6
Introduction . 7
1 Scope . 8
2 References . 8
2.1 Normative references . 8
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 11
3.1 Terms . 11
3.2 Symbols . 11
3.3 Abbreviations . 11
4 General . 13
4.1 Functionality . 13
4.2 Intercepted data types . 14
4.2.1 Introduction. 14
4.2.2 Interception at network operator or access provider . 14
4.2.3 Interception at service providers . 14
4.3 Relationship to other standards . 14
4.4 Handover for GPRS/UMTS/EPS and 3GPP CS Domains . 16
4.4.1 PS Access . 16
4.4.2 Applications . 16
4.4.3 3GPP CS domain . 16
4.5 Common parameters. 16
4.6 Handover for services defined in 3GPP TS 33.128 . 16
5 Headers . 17
5.1 General . 17
5.2 Description and purpose of the header fields . 17
5.2.1 Version . 17
5.2.2 LIID . 17
5.2.3 Authorization country code. 17
5.2.4 Communication identifier . 17
5.2.5 Sequence number . 18
5.2.6 Payload timestamp . 19
5.2.7 Payload direction . 19
5.2.8 Payload type. 19
5.2.9 Interception type . 20
5.2.10 IRI type . 20
5.2.11 Interception Point Identifier . 20
5.2.12 Session direction . 20
5.2.13 Extended Interception Point Identifier . 20
5.2.14 Network Function Identifier . 21
5.3 Encoding of header fields . 21
6 Data exchange . 21
6.1 Overview . 21
6.2 Handover layer . 22
6.2.1 General . 22
6.2.2 Error reporting . 23
6.2.3 Aggregation of payloads . 23
6.2.4 Sending a large block of application-level data . 24
6.2.5 Padding data. 24
6.2.6 Payload encryption . 24
ETSI
4 ETSI TS 102 232-1 V3.33.1 (2025-04)
6.3 Session layer . 24
6.3.1 General . 24
6.3.2 Opening and closing connections . 25
6.3.3 Buffering . 25
6.3.4 Keep-alives . 25
6.3.5 Option negotiation . 26
6.3.5.1 Introduction . 26
6.3.5.2 Option negotiation message exchange . 26
6.3.6 PDU acknowledgement . 27
6.4 Transport layer . 28
6.4.1 Overview . 28
6.4.2 TCP settings . 28
6.4.3 Acknowledging data . 28
6.5 Network layer . 29
7 Delivery networks . 29
7.1 Types of network . 29
7.1.1 General . 29
7.1
...
SLOVENSKI STANDARD
01-september-2025
Zakonito prestrezanje (LI) - Izročilni vmesnik in storitveno specifične podrobnosti
(SSD) za IP-dostavo vsebin - 1. del: Izročilna specifikacija za IP-dostavo vsebin
Lawful Interception (LI) - Handover Interface and Service-Specific Details (SSD) for IP
delivery - Part 1: Handover specification for IP delivery
Ta slovenski standard je istoveten z: ETSI TS 102 232-1 V3.33.1 (2025-04)
ICS:
35.240.95 Spletne uporabniške rešitve Internet applications
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
TECHNICAL SPECIFICATION
Lawful Interception (LI);
Handover Interface and
Service-Specific Details (SSD) for IP delivery;
Part 1: Handover specification for IP delivery
2 ETSI TS 102 232-1 V3.33.1 (2025-04)
Reference
RTS/LI-00276-1
Keywords
handover, IP, lawful interception, security
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871
Important notice
The present document can be downloaded from the
ETSI Search & Browse Standards application.
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format on ETSI deliver repository.
Users should be aware that the present document may be revised or have its status changed,
this information is available in the Milestones listing.
If you find errors in the present document, please send your comments to
the relevant service listed under Committee Support Staff.
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure (CVD) program.
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
No representation or warranty is made that this deliverable is technically accurate or sufficient or conforms to any law
and/or governmental rule and/or regulation and further, no representation or warranty is made of merchantability or fitness
for any particular purpose or against infringement of intellectual property rights.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.
Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2025.
All rights reserved.
ETSI
3 ETSI TS 102 232-1 V3.33.1 (2025-04)
Contents
Intellectual Property Rights . 6
Foreword . 6
Modal verbs terminology . 6
Introduction . 7
1 Scope . 8
2 References . 8
2.1 Normative references . 8
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 11
3.1 Terms . 11
3.2 Symbols . 11
3.3 Abbreviations . 11
4 General . 13
4.1 Functionality . 13
4.2 Intercepted data types . 14
4.2.1 Introduction. 14
4.2.2 Interception at network operator or access provider . 14
4.2.3 Interception at service providers . 14
4.3 Relationship to other standards . 14
4.4 Handover for GPRS/UMTS/EPS and 3GPP CS Domains . 16
4.4.1 PS Access . 16
4.4.2 Applications . 16
4.4.3 3GPP CS domain . 16
4.5 Common parameters. 16
4.6 Handover for services defined in 3GPP TS 33.128 . 16
5 Headers . 17
5.1 General . 17
5.2 Description and purpose of the header fields . 17
5.2.1 Version . 17
5.2.2 LIID . 17
5.2.3 Authorization country code. 17
5.2.4 Communication identifier . 17
5.2.5 Sequence number . 18
5.2.6 Payload timestamp . 19
5.2.7 Payload direction . 19
5.2.8 Payload type. 19
5.2.9 Interception type . 20
5.2.10 IRI type . 20
5.2.11 Interception Point Identifier . 20
5.2.12 Session direction . 20
5.2.13 Extended Interception Point Identifier . 20
5.2.14 Network Function Identifier . 21
5.3 Encoding of header fields . 21
6 Data exchange . 21
6.1 Overview . 21
6.2 Handover layer . 22
6.2.1 General . 22
6.2.2 Error reporting . 23
6.2.3 Aggregation of payloads . 23
6.2.4 Sending a large block of application-level data . 24
6.2.5 Padding data. 24
6.2.6 Payload encryption . 24
ETSI
4 ETSI TS 102 232-1 V3.33.1 (2025-04)
6.3 Session layer . 24
6.3.1 General . 24
6.3.2 Opening and closing connections . 25
6.3.3 Buffering . 25
6.3.4 Keep-alives . 25
6.3.5 Option negotiation . 26
6.3.5.1 Introduction . 26
6.3.5.2 Option negotiation message exchange . 26
6.3.6 PDU acknowledgement . 27
6.4 Transport layer . 28
6.4.1 Overview . 28
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.