ETSI TS 102 232-6 V3.5.1 (2023-03)

Lawful Interception (LI); Handover Interface and Service-Specific Details (SSD) for IP delivery; Part 6: Service-specific details for PSTN/ISDN services

RTS/LI-00236-6

Zakonito prestrezanje (LI) - Izročilni vmesnik in storitveno specifične podrobnosti (SSD) za IP-dostavo vsebin - 6. del: Storitveno specifične podrobnosti za storitve PSTN/ISDN

Ta dokument vsebuje storitveno specifične podrobnosti za izročanje zakonito prestreženih storitev PSTN/ISDN (vključno z emuliranimi storitvami, kot so tiste, opredeljene v dokumentu ETSI ES 282 002 [i.3]) s tehnikami na osnovi paketa, kot je opredeljeno v dokumentu ETSI TS 102 232 1 [2].

General Information

• Status: Not Published
• Technical Committee: LI - Lawful Interception
• Current Stage: 12 - Citation in the OJ (auto-insert)
• Due Date: 03-Apr-2023
• Completion Date: 30-Mar-2023
• Ref Project: SIST-TS ETSI/TS 102 232-6 V3.5.1:2023 - Lawful Interception (LI) - Handover Interface and Service-Specific Details (SSD) for IP delivery - Part 6: Service-specific details for PSTN/ISDN services

Standards Content (Sample)

ETSI TS 102 232-6 V3.5.1 (2023-03)






TECHNICAL SPECIFICATION
Lawful Interception (LI);
Handover Interface and
Service-Specific Details (SSD) for IP delivery;
Part 6: Service-specific details for PSTN/ISDN services



---------------------- Page: 1 ----------------------
2 ETSI TS 102 232-6 V3.5.1 (2023-03)

Reference
RTS/LI-00236-6
Keywords
IP, lawful interception, security, telephony
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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:
https://www.etsi.org/standards-search
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 at www.etsi.org/deliver.
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
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
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
n or warranty is made of merchantability or fitness
and/or governmental rule and/or regulation and further, no representatio
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 2023.
All rights reserved.

ETSI

---------------------- Page: 2 ----------------------
3 ETSI TS 102 232-6 V3.5.1 (2023-03)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
1 Scope . 5
2 References . 5
2.1 Normative references . 5
2.2 Informative references . 6
3 Definition of terms, symbols and abbreviations . 6
3.1 Terms . 6
3.2 Symbols . 6
3.3 Abbreviations . 6
4 General . 7
4.1 Approach . 7
4.2 Reference model . 7
5 Headers, data exchange and networks . 7
5.1 Approach . 7
5.2 Structures . 7
5.3 Definition of a communications session . 7
6 Intercept Related Information (IRI) and Content of Communication (CC) . 8
6.1 Definition of IRI events and CC events . 8
6.2 CC format . 8
6.3 Supplementary information . 8
6.3.1 Requirements for supplementary information . 8
6.3.2 Supplementary information . 9
6.3.3 Sending supplementary information . 9
6.3.4 Identification of CCLinks . 10
Annex A (normative): ASN.1 for IRI and CC . 11
A.1 Note on integrating ASN.1 structures . 11
A.2 ASN.1 definitions . 11
Annex B (informative): Change request history . 12
History . 13

ETSI

---------------------- Page: 3 ----------------------
4 ETSI TS 102 232-6 V3.5.1 (2023-03)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are 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 Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
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.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its

Members. 3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and of the 3GPP
Organizational Partners. oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and of the
®
oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Foreword
This Technical Specification (TS) has been produced by ETSI Technical Committee Lawful Interception (LI).
The present document is part 6 of a multi-part deliverable. Full details of the entire series can be found in part 1 [2].
The ASN.1 module is available as an electronic attachment to the present document (see clause A.2 for more details).
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

---------------------- Page: 4 ----------------------
5 ETSI TS 102 232-6 V3.5.1 (2023-03)
1 Scope
The present document contains service-specific details for the handover of the lawfully intercepted PSTN/ISDN
Services (including emulated services such as those defined in ETSI ES 282 002 [i.3]) using packet-based techniques as
defined in ETSI TS 102 232-1 [2].
2 References
2.1 Normative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
https://docbox.etsi.org/Reference/.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are necessary for the application of the present document.
[1] ETSI TS 101 671: "Lawful Interception (LI); Handover interface for the lawful interception of
telecommunications traffic".
NOTE: ETSI TS 101 671 is in status "historical" and is not maintained.
[2] ETSI TS 102 232-1: "Lawful Interception (LI); Handover Interface and Service-Specific Details
(SSD) for IP delivery; Part 1: Handover specification for IP delivery".
[3] Void.
[4] Void.
[5] Void.
[6] Recommendation ITU-T G.711 (1988): "Pulse code modulation (PCM) of voice frequencies".
[7] IETF RFC 4566: "SDP: Session Description Protocol".
[8] ETSI TS 187 005: "Telecommunications and Internet converged Services and Protocols for
Advanced Networking (TISPAN); NGN Lawful Interception; Stage 1 and Stage 2 definition".
[9] Void.
[10] IETF RFC 3551: "RTP Profile for Audio and Video Conferences with Minimal Control".
[11] Recommendation ITU-T T.38: "Procedures for real-time Group 3 facsimile communication over
IP networks".
ETSI

---------------------- Page: 5 ----------------------
6 ETSI TS 102 232-6 V3.5.1 (2023-03)
2.2 Informative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are not necessary for the application of the present document but they assist the
user with regard to a particular subject area.
[i.1] ETSI TR 102 053: "Telecommunications security; Lawful Interception (LI); Notes on ISDN
lawful interception functionality".
[i.2] ETSI TR 102 503: "Lawful Interception (LI); ASN.1 Object Identifiers in Lawful Interception and
Retained data handling Specifications".
[i.3] ETSI ES 282 002: "Telecommunic
...

SLOVENSKI STANDARD
SIST-TS ETSI/TS 102 232-6 V3.5.1:2023
01-julij-2023
Zakonito prestrezanje (LI) - Izročilni vmesnik in storitveno specifične podrobnosti
(SSD) za IP-dostavo vsebin - 6. del: Storitveno specifične podrobnosti za storitve
PSTN/ISDN
Lawful Interception (LI) - Handover Interface and Service-Specific Details (SSD) for IP
delivery - Part 6: Service-specific details for PSTN/ISDN services
Ta slovenski standard je istoveten z: ETSI TS 102 232-6 V3.5.1 (2023-03)
ICS:
35.240.95 Spletne uporabniške rešitve Internet applications
SIST-TS ETSI/TS 102 232-6 V3.5.1:2023 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST-TS ETSI/TS 102 232-6 V3.5.1:2023

---------------------- Page: 2 ----------------------
SIST-TS ETSI/TS 102 232-6 V3.5.1:2023
ETSI TS 102 232-6 V3.5.1 (2023-03)






TECHNICAL SPECIFICATION
Lawful Interception (LI);
Handover Interface and
Service-Specific Details (SSD) for IP delivery;
Part 6: Service-specific details for PSTN/ISDN services



---------------------- Page: 3 ----------------------
SIST-TS ETSI/TS 102 232-6 V3.5.1:2023
 2 ETSI TS 102 232-6 V3.5.1 (2023-03)

Reference
RTS/LI-00236-6
Keywords
IP, lawful interception, security, telephony
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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:
https://www.etsi.org/standards-search
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 at www.etsi.org/deliver.
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
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure Program:
https://www.etsi.org/standards/coordinated-vulnerability-disclosure
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
n or warranty is made of merchantability or fitness
and/or governmental rule and/or regulation and further, no representatio
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 2023.
All rights reserved.

ETSI

---------------------- Page: 4 ----------------------
SIST-TS ETSI/TS 102 232-6 V3.5.1:2023
 3 ETSI TS 102 232-6 V3.5.1 (2023-03)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
1 Scope . 5
2 References . 5
2.1 Normative references . 5
2.2 Informative references . 6
3 Definition of terms, symbols and abbreviations . 6
3.1 Terms . 6
3.2 Symbols . 6
3.3 Abbreviations . 6
4 General . 7
4.1 Approach . 7
4.2 Reference model . 7
5 Headers, data exchange and networks . 7
5.1 Approach . 7
5.2 Structures . 7
5.3 Definition of a communications session . 7
6 Intercept Related Information (IRI) and Content of Communication (CC) . 8
6.1 Definition of IRI events and CC events . 8
6.2 CC format . 8
6.3 Supplementary information . 8
6.3.1 Requirements for supplementary information . 8
6.3.2 Supplementary information . 9
6.3.3 Sending supplementary information . 9
6.3.4 Identification of CCLinks . 10
Annex A (normative): ASN.1 for IRI and CC . 11
A.1 Note on integrating ASN.1 structures . 11
A.2 ASN.1 definitions . 11
Annex B (informative): Change request history . 12
History . 13

ETSI

---------------------- Page: 5 ----------------------
SIST-TS ETSI/TS 102 232-6 V3.5.1:2023
 4 ETSI TS 102 232-6 V3.5.1 (2023-03)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are 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 Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
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.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its

Members. 3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and of the 3GPP
Organizational Partners. oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and of the
®
oneM2M Partners. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
Foreword
This Technical Specification (TS) has been produced by ETSI Technical Committee Lawful Interception (LI).
The present document is part 6 of a multi-part deliverable. Full details of the entire series can be found in part 1 [2].
The ASN.1 module is available as an electronic attachment to the present document (see clause A.2 for more details).
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

---------------------- Page: 6 ----------------------
SIST-TS ETSI/TS 102 232-6 V3.5.1:2023
 5 ETSI TS 102 232-6 V3.5.1 (2023-03)
1 Scope
The present document contains service-specific details for the handover of the lawfully intercepted PSTN/ISDN
Services (including emulated services such as those defined in ETSI ES 282 002 [i.3]) using packet-based techniques as
defined in ETSI TS 102 232-1 [2].
2 References
2.1 Normative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
https://docbox.etsi.org/Reference/.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are necessary for the application of the present document.
[1] ETSI TS 101 671: "Lawful Interception (LI); Handover interface for the lawful interception of
telecommunications traffic".
NOTE: ETSI TS 101 671 is in status "historical" and is not maintained.
[2] ETSI TS 102 232-1: "Lawful Interception (LI); Handover Interface and Service-Specific Details
(SSD) for IP delivery; Part 1: Handover specification for IP delivery".
[3] Void.
[4] Void.
[5] Void.
[6] Recommendation ITU-T G.711 (1988): "Pulse code modulation (PCM) of voice frequencies".
[7] IETF RFC 4566: "SDP: Session Description Protocol".
[8] ETSI TS 187 005: "Telecommunications and Internet converged Services and Protocols for
Advanced Networking (TISPAN); NGN Lawful Interception; Stage 1 and Stage 2 definition".
[9] Void.
[10] IETF RFC 3551: "RTP Profile for Audio and Video Conferences with Minimal Control".
[11] Recommendation ITU-T T.38: "Procedures for real-time Group 3 facsimile communication over
IP networks".
ETSI

---------------------- Page: 7 ----------------------
SIST-TS ETSI/TS 102 232-6 V3.5.1:2023
 6 ETSI TS 102 232-6 V3.5.1 (2023-03)
2.2 Informative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are not necessary for the application of
...