SIST EN 300 392-9 V1.7.1:2020

ETSI EN 300 392-9 V1.7.1 (2020-04)






EUROPEAN STANDARD
Terrestrial Trunked Radio (TETRA);
Voice plus Data (V+D);
Part 9: General requirements for supplementary services

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2 ETSI EN 300 392-9 V1.7.1 (2020-04)



Reference
REN/TCCE-03265
Keywords
supplementary service, TETRA, V+D
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 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
The present document can be downloaded from:
http://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
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 2020.
All rights reserved.

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.
ETSI

---------------------- Page: 2 ----------------------
3 ETSI EN 300 392-9 V1.7.1 (2020-04)
Contents
Intellectual Property Rights . 5
Foreword . 5
Modal verbs terminology . 6
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references . 8
3 Definition of terms, symbols, abbreviations and Functional Entities (FE) . 8
3.1 Terms . 8
3.2 Symbols . 9
3.3 Abbreviations . 9
3.4 Functional Entities (FE) . 11
4 Supplementary service concepts . 11
4.1 Stage 1, 2 and 3 descriptions . 11
4.1.0 General Description . 11
4.1.1 Stage 1 description . 11
4.1.2 Stage 2 description . 11
4.1.3 Stage 3 description . 12
4.2 Concepts associated with supplementary services . 12
5 Service primitives . 12
5.1 Service primitive general description . 12
5.2 Notification service primitive . 13
6 Supplementary service invocation order . 13
7 Transfer of information related to supplementary service at the MS interface . 13
7.1 Methods of transportation . 13
7.2 Call related service information . 14
7.2.1 Facility information element general construction . 14
7.2.2 Notification indicator information element . 15
7.3 Call unrelated supplementary service information . 15
8 SS PDU contents . 16
8.0 SS PDU contents general . 16
8.1 SS type . 17
8.2 SS PDU type. 17
8.3 Repeated information element or set of information elements . 19
8.3.1 Range type information element . 19
8.3.2 Response to a SS PDU including repeated information elements controlled by a range type
information element . 20
8.3.3 Information element number of XX . 21
8.4 Encoding of other SS PDU ele ments . 21
8.4.0 Encoding of other SS PDU elements general . 21
8.4.1 User identity. 22
8.4.2 Character string . 23
8.4.3 External number . 25
8.4.4 External call restriction . 27
8.4.5 Activation, definition, and interrogation failure values . 27
8.4.6 Manufacturer identifier information element . 28
9 SS PDU routeing . 28
9.1 Actions at the SwMI receiving an SS PDU from a MS registered in this SwMI . 28
9.2 SS PDU sent by a SwMI to a MS . 29
9.2.0 SS PDU sent by a SwMI to a MS general. 29
9.2.1 SS PDU addressed individually by a SwMI to an MS . 29
ETSI

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4 ETSI EN 300 392-9 V1.7.1 (2020-04)
9.2.2 SS PDU originated by a SwMI using a group address . 30
9.2.3 Sending of SS PDU by the destination SwMI to MS . 30
9.3 SS PDU transport by ANF-ISISS . 30
10 ANF-ISISS . 31
10.1 Service model . 31
10.2 Service primitives . 31
10.3 Protocol . 32
10.3.1 Protocol general . 32
10.3.2 Possible groupings of ISI SS PDUs and of invoked ANF-ISISSs . 34
10.3.3 Void . 34
11 Exceptional cases . 34
11.1 ISI exceptional cases . 34
11.1.0 General . 34
11.1.1 Case a) . 35
11.1.1.1 Call unrelated ANF-ISISS PDU . 35
11.1.1.2 Call related ANF-ISISS PDU . 35
11.1.2 Case b) . 35
11.1.3 Case c) . 36
11.1.3.1 Case c) General . 36
11.1.4 Case d) . 36
11.1.4.0 Case d) General . 36
11.1.4.1 Cases d.1) and d.2) . 36
11.1.4.2 Case d.3) . 37
11.2 Exceptional cases at the air interface . 37
11.2.1 No ISI involved . 37
11.2.2 ISI involved . 38
12 Generic specification of activation/deactivation, definition and interrogation operations . 38
12.1 Stage 2 description . 38
12.2 Stage 3 description . 39
13 Authentication issues . 39
13.1 Authentication requirements for TETRA supplementary services . 39
13.2 The use of security class to meet authentication requirements for TETRA supplementary services . 40
13.2.0 General . 40
13.2.1 Class 1 . 40
13.2.2 Class 2 . 40
13.2.3 Class 3 . 40
13.2.4 Impact of ISI . 40
13.2.5 Security of data within a SwMI . 40
Annex A (informative): Definition of the ISI operation . 41
Annex B: Void . 42
Annex C: Void . 43
Annex D (informative): Change requests . 44
Annex E: Void . 45
History . 46

ETSI

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5 ETSI EN 300 392-9 V1.7.1 (2020-04)
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.
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.
Foreword
This European Standard (EN) has been produced by ETSI Technical Committee TETRA and Critical Communications
Evolution (TCCE).
The present document is part 9 of a multi-part deliverable covering the Terrestrial Trunked Radio (TETRA); Voice plus
Data (V+D) and Direct Mode Operation (DMO), as identified below:
Part 1: "General network design";
Part 2: "Air Interface (AI)";
Part 3: "Interworking at the Inter-System Interface (ISI)";
Part 4: "Gateways basic operation";
Part 5: "Peripheral Equipment Interface (PEI)";
Part 7: "Security";
Part 9: "General requirements for supplementary services";
Part 10: "Supplementary services stage 1";
Part 11: "Supplementary services stage 2";
Part 12: "Supplementary services stage 3";
Part 13: "SDL model of the Air Interface (AI)";
Part 14: "Protocol Implementation Conformance Statement (PICS) proforma specification";
Part 15: "TETRA frequency bands, duplex spacings and channel numbering";
Part 16: "Network Performance Metrics";
Part 17: "TETRA V+D and DMO specifications";
Part 18: "Air interface optimized applications";
Part 19: "Interworking between TETRA and Broadband systems".
ETSI

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6 ETSI EN 300 392-9 V1.7.1 (2020-04)
NOTE 1: Part 3, sub-parts 6 and 7 (Speech format implementation), part 4, sub-part 3 (Data networks gateway),
part 10, sub-part 15 (Transfer of control), part 13 (SDL) and part 14 (PICS) of this multi-part deliverable
are in status "historical" and are not maintained.
NOTE 2: Some parts are also published as Technical Specifications such as ETSI TS 100 392-2 and those may be
the latest version of the document.

National transposition dates
Date of adoption of this EN: 13 November 2019
Date of latest announcement of this EN (doa): 31 July 2020
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 January 2021
Date of withdrawal of any conflicting National Standard (dow): 31 January 2021

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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7 ETSI EN 300 392-9 V1.7.1 (2020-04)
1 Scope
The present document is applicable to any TETRA terminal equipment (Mobile Station (MS)) and to any TETRA
network (Switching and Management Infrastructure (SwMI)) which support at least one TETRA Supplementary
Service (SS). In addition, its routeing requirements of supplementary service information are applicable to any TETRA
network with a Voice plus Data (V+D) Inter-System Interface (ISI) to another TETRA network which supports at least
one TETRA SS.
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 1: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee
their long term validity.
NOTE 2: Note that for the TETRA standards, the reference is always to a European Standard (ETS EN 300 xxx) if
such has been published, but the latest version of that standard can be either an EN or a Technical
Specification (ETSI TS 100 xxx), even if this is not visible in the reference list.
The following referenced documents are necessary for the application of the present document.
[1] ETSI EN 300 392-1: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 1: General network design".
[2] ETSI EN 300 392-2: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 2: Air
Interface (AI)".
[3] ETSI EN 300 392-3-9: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 9: Transport layer independent,
General design".
[4] Void.
[5] Void.
[6] ETSI EN 300 392-7: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 7: Security".
[7] ETSI EN 300 392-10-6: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 10: Supplementary services stage 1; Sub-part 6: Call Authorized by Dispatcher (CAD)".
[8] ETSI EN/ETS 300 392-11 (all parts): "Terrestrial Trunked Radio (TETRA); Voice plus Data
(V+D); Part 11: Supplementary services stage 2".
[9] ETSI EN/ETS 300 392-12 (all parts): "Terrestrial Trunked Radio (TETRA); Voice plus Data
(V+D); Part 12: Supplementary services stage 3".
[10] ISO/IEC 11571 (1998): "Information technology -- Telecommunications and information
exchange between systems -- Private Integrated Services Networks -- Addressing".
[11] Void.
[12] Void.
ETSI

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8 ETSI EN 300 392-9 V1.7.1 (2020-04)
[13] Recommendation ITU-T I.130 (1988): "Method for the characterization of telecommunication
services supported by an ISDN and network capabilities of an ISDN".
[14] Recommendation ITU-T E.164: "The international public telecommunication numbering plan".
[15] Recommendation ITU-T X.121: "International numbering plan for public data networks".
[16] Void.
[17] Void.
[18] Void.
[19] Void.
[20] ETSI ETS 300 392-12-7: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 12: Supplementary services stage 3; Sub-part 7: Short Number Addressing (SNA)".
[21] ISO/IEC 10646: "Information technology -- Universal Coded Character Set (UCS)".
[22] ETSI TS 100 392-18-3: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D) and Direct
Mode Operation (DMO); Part 18: Air interface optimized applications; Sub-part 3: Direct mode
Over The Air Management protocol (DOTAM)".
[23] ETSI EN 300 392-3-10: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 10: General design, PSS1
over E.1".
[24] ETSI EN 300 392-3-11: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 11: General design, SIP/IP".
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 1: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
NOTE 2: Note that for the TETRA standards, the reference is always to a European Standard (ETSI EN 300 xxx) if
such has been published, but the latest version of that standard can be either an EN or a Technical
Specification (ETSI TS 100 xxx), even if this is not visible in the reference list.
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 102 300-5: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Designers'
guide; Part 5: Guidance on Numbering and addressing".
3 Definition of terms, symbols, abbreviations and
Functional Entities (FE)
3.1 Terms
For the purposes of the present document, the terms given in ETSI EN 300 392-2 [2] and the following apply:
affected user: user who is subject to the operation
affected user SwMI: SwMI where the affected user is currently registered
ETSI

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9 ETSI EN 300 392-9 V1.7.1 (2020-04)
authorized user: user who is responsible for the definition, activation and deactivation of the service
NOTE: The authorized user may also interrogate the service. Affected user and served user may also be
authorized user as defined in each supplementary service.
authorized user SwMI: SwMI where the authorized user is currently registered
call related service: service requested from call set-up initiation until call disconnection and related to that call
NOTE: The call-related service can also be valid a certain short time after disconnection but before next call
set-up is initiated.
call unrelated service: service either requested outside a call or inside a call but not referring to that call
ISI Mediation Function: entity which provides the services that are not supported by the transport layer protocol to
different ANF-ISI entities
served user: user for whom the supplementary service is invoked
served user SwMI: SwMI where the served user is currently registered
user: entity using the services of a telecommunications network via an externally accessible service access point
NOTE: A user may be a person or an application process.
user application: application process which acts as a user
NOTE: See definition of user.
3.2 Symbols
Void.
3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
ACK ACKnowledgement
AI Air Interface
ANF Additional Network Feature
ANF-ISIGC Additional Network Feature - Inter-System Interface Group Call
ANF-ISIMM Additional Network Feature - Inter-System Interface Mobility Management
ANF-ISISS Additional Network Feature - Inter-System Interface Supplementary Service
APDU Application Packet Data Unit
APP APProved
CC PDU Call Control Protocol Data Unit
DMO Direct Mode Operation
DOTAM Direct mode Over The Air Management protocol
EPT ETSI Project TETRA
ETS European Telecommunication Standard
FE Functional Entity
GSSI Group Short Subscriber Identity
GTSI Group TETRA Subscriber Identity
IP Internet Protocol
ISI SS Inter System Interface Supplementation Service
ISI Inter-System Interface
ISISS Inter-System Interface Supplementary Service
ISSI Individual Short Subscriber Identity
ITSI Individual TETRA Subscriber Identity
ITU International Telecommunication Union
MAC Media Access Control
MCC Mobile Country Code
MLE Mobile Link Entity
ETSI

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10 ETSI EN 300 392-9 V1.7.1 (2020-04)
MNC Mobile Network Code
MNI Mobile Network Identity
MS Mobile Station
MS-ISDN Mobile Station ISDN number
PDU Protocol Data Unit
PICS Protocol Implementation Conformance Statement
PISN Private Integrated Services Network
PSS1 Private Signalling System no. 1
PSTN Public Services Telephone Network
SAP Service Access Point
SDL (Functional) Specification and Description Language
SIP Session Init
...

Draft ETSI EN 300 392-9 V1.7.0 (2019-08)






EUROPEAN STANDARD
Terrestrial Trunked Radio (TETRA);
Voice plus Data (V+D);
Part 9: General requirements for supplementary services

---------------------- Page: 1 ----------------------
2 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)



Reference
REN/TCCE-03265
Keywords
supplementary service, TETRA, V+D
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 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
The present document can be downloaded from:
http://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
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 2019.
All rights reserved.

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.
ETSI

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3 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
Contents
Intellectual Property Rights . 5
Foreword . 5
Modal verbs terminology . 6
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references . 8
3 Definition of terms, symbols, abbreviations and Functional Entities (FE) . 8
3.1 Terms . 8
3.2 Symbols . 9
3.3 Abbreviations . 9
3.4 Functional Entities (FE) . 11
4 Supplementary service concepts . 11
4.1 Stage 1, 2 and 3 descriptions . 11
4.1.0 General Description . 11
4.1.1 Stage 1 description . 11
4.1.2 Stage 2 description . 11
4.1.3 Stage 3 description . 12
4.2 Concepts associated with supplementary services . 12
5 Service primitives . 12
5.1 Service primitive general description . 12
5.2 Notification service primitive . 13
6 Supplementary service invocation order . 13
7 Transfer of information related to supplementary service at the MS interface . 13
7.1 Methods of transportation . 13
7.2 Call related service information . 14
7.2.1 Facility information element general construction . 14
7.2.2 Notification indicator information element . 15
7.3 Call unrelated supplementary service information . 15
8 SS PDU contents . 16
8.0 SS PDU contents general . 16
8.1 SS type . 17
8.2 SS PDU type. 17
8.3 Repeated information element or set of information elements . 19
8.3.1 Range type information element . 19
8.3.2 Response to a SS PDU including repeated information elements controlled by a range type

information element . 20
8.3.3 Information element number of XX . 21
8.4 Encoding of other SS PDU ele ments . 22
8.4.0 Encoding of other SS PDU elements general . 22
8.4.1 User identity. 22
8.4.2 Character string . 24
8.4.3 External number . 25
8.4.4 External call restriction . 27
8.4.5 Activation, definition, and interrogation failure values . 27
8.4.6 Manufacturer identifier information element . 28
9 SS PDU routeing . 28
9.1 Actions at the SwMI receiving an SS PDU from a MS registered in this SwMI . 28
9.2 SS PDU sent by a SwMI to a MS . 29
9.2.0 SS PDU sent by a SwMI to a MS general. 29
9.2.1 SS PDU addressed individually by a SwMI to an MS . 29
ETSI

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4 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
9.2.2 SS PDU originated by a SwMI using a group address . 30
9.2.3 Sending of SS PDU by the destination SwMI to MS . 30
9.3 SS PDU transport by ANF-ISISS . 30
10 ANF-ISISS . 31
10.1 Service model . 31
10.2 Service primitives . 31
10.3 Protocol . 32
10.3.1 Protocol general . 32
10.3.2 Possible groupings of ISI SS PDUs and of invoked ANF-ISISSs . 34
10.3.3 Void . 34
11 Exceptional cases . 34
11.1 ISI exceptional cases . 34
11.1.0 General . 34
11.1.1 Case a) . 35
11.1.1.1 Call unrelated ANF-ISISS PDU . 35
11.1.1.2 Call related ANF-ISISS PDU . 35
11.1.2 Case b) . 35
11.1.3 Case c) . 36
11.1.3.1 Case c) General . 36
11.1.4 Case d) . 36
11.1.4.0 Case d) general . 36
11.1.4.1 Cases d.1) and d.2) . 36
11.1.4.2 Case d.3) . 37
11.2 Exceptional cases at the air interface . 37
11.2.1 No ISI involved . 37
11.2.2 ISI involved . 38
12 Generic specification of activation/deactivation, definition and interrogation operations . 38
12.1 Stage 2 description . 38
12.2 Stage 3 description . 39
13 Authentication issues . 39
13.1 Authentication requirements for TETRA supplementary services . 39
13.2 The use of security class to meet authentication requirements for TETRA supplementary services . 40
13.2.0 General . 40
13.2.1 Class 1 . 40
13.2.2 Class 2 . 40
13.2.3 Class 3 . 40
13.2.4 Impact of ISI . 40
13.2.5 Security of data within a SwMI . 40
Annex A (informative): Definition of the ISI operation . 41
Annex B: Void . 42
Annex C: Void . 43
Annex D (informative): Change requests . 44
Annex E: Void . 45
History . 46

ETSI

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5 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
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.
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.
Foreword
This draft European Standard (EN) has been produced by ETSI Technical Committee TETRA and Critical
Communications Evolution (TCCE), and is now submitted for the combined Public Enquiry and Vote phase of the
ETSI standards EN Approval Procedure.
The present document is part 9 of a multi-part deliverable covering the Terrestrial Trunked Radio (TETRA); Voice plus
Data (V+D) and Direct Mode Operation (DMO), as identified below:
Part 1: "General network design";
Part 2: "Air Interface (AI)";
Part 3: "Interworking at the Inter-System Interface (ISI)":
Part 4: "Gateways basic operation";
Part 5: "Peripheral Equipment Interface (PEI)";
Part 7: "Security";
Part 9: "General requirements for supplementary services";
Part 10: "Supplementary services stage 1";
Part 11: "Supplementary services stage 2";
Part 12: "Supplementary services stage 3";
Part 13: "SDL model of the Air Interface (AI)";
Part 14: "Protocol Implementation Conformance Statement (PICS) proforma specification";
Part 15: "TETRA frequency bands, duplex spacings and channel numbering";
Part 16: "Network Performance Metrics";
Part 17: "TETRA V+D and DMO specifications";
Part 18: "Air interface optimized applications";
Part 19: "Interworking between TETRA and Broadband systems".
ETSI

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6 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
NOTE 1: Part 3, sub-parts 6 and 7 (Speech format implementation), part 4, sub-part 3 (Data networks gateway),
part 10, sub-part 15 (Transfer of control), part 13 (SDL) and part 14 (PICS) of this multi-part deliverable
are in status "historical" and are not maintained.
NOTE 2: Some parts are also published as Technical Specifications such as ETSI TS 100 392-2 and those may be
the latest version of the document.

Proposed national transposition dates
Date of latest announcement of this EN (doa): 3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 6 months after doa
Date of withdrawal of any conflicting National Standard (dow): 6 months after doa

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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7 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
1 Scope
The present document is applicable to any TETRA terminal equipment (Mobile Station (MS)) and to any TETRA
network (Switching and Management Infrastructure (SwMI)) which support at least one TETRA Supplementary
Service (SS). In addition, its routeing requirements of supplementary service information are applicable to any TETRA
network with a Voice plus Data (V+D) Inter-System Interface (ISI) to another TETRA network which supports at least
one TETRA SS.
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
reference document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
NOTE 1: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee
their long term validity.
NOTE 2: Note that for the TETRA standards, the reference is always to a European Standard (ETS EN 300 xxx) if
such has been published, but the latest version of that standard can be either an EN or a Technical
Specification (ETSI TS 100 xxx), even if this is not visible in the reference list.
The following referenced documents are necessary for the application of the present document.
[1] ETSI EN 300 392-1: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 1: General network design".
[2] ETSI EN 300 392-2: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 2: Air
Interface (AI)".
[3] ETSI EN 300 392-3-9: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 9: Transport layer independent,
General design".
[4] Void.
[5] Void.
[6] ETSI EN 300 392-7: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 7: Security".
[7] ETSI EN 300 392-10-6: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 10: Supplementary services stage 1; Sub-part 6: Call Authorized by Dispatcher (CAD)".
[8] ETSI EN/ETS 300 392-11 (all parts): "Terrestrial Trunked Radio (TETRA); Voice plus Data
(V+D); Part 11: Supplementary services stage 2".
[9] ETSI EN/ETS 300 392-12 (all parts): "Terrestrial Trunked Radio (TETRA); Voice plus Data
(V+D); Part 12: Supplementary services stage 3".
[10] ISO/IEC 11571 (1998): " Information technology -- Telecommunications and information
exchange between systems -- Private Integrated Services Networks -- Addressing".
[11] Void.
[12] Void.
ETSI

---------------------- Page: 7 ----------------------
8 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
[13] Recommendation ITU-T I.130 (1988): "Method for the characterization of telecommunication
services supported by an ISDN and network capabilities of an ISDN".
[14] Recommendation ITU-T E.164: "The international public telecommunication numbering plan".
[15] Recommendation ITU-T X.121: "International numbering plan for public data networks".
[16] Void.
[17] Void.
[18] Void.
[19] Void.
[20] ETSI ETS 300 392-12-7: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 12: Supplementary services stage 3; Sub-part 7: Short Number Addressing (SNA)".
[21] ISO/IEC 10646: "Information technology -- Universal Coded Character Set (UCS)".
[22] ETSI TS 100 392-18-3: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D) and Direct
Mode Operation (DMO); Part 18: Air interface optimized applications; Sub-part 3: Direct mode
Over The Air Management protocol (DOTAM)".
[23] ETSI EN 300 392-3-10: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 10: General design, PSS1
over E.1".
[24] ETSI EN 300 392-3-11: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 11: General design, SIP/IP".
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 1: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
NOTE 2: Note that for the TETRA standards, the reference is always to a European Standard (ETSI EN 300 xxx) if
such has been published, but the latest version of that standard can be either an EN or a Technical
Specification (ETSI TS 100 xxx), even if this is not visible in the reference list.
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 102 300-5: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Designers'
guide; Part 5: Guidance on Numbering and addressing".
3 Definition of terms, symbols, abbreviations and
Functional Entities (FE)
3.1 Terms
For the purposes of the present document, the terms given in ETSI EN 300 392-2 [2] and the following apply:
affected user: user who is subject to the operation
affected user SwMI: SwMI where the affected user is currently registered
ETSI

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9 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
authorized user: user who is responsible for the definition, activation and deactivation of the service
NOTE: The authorized user may also interrogate the service. Affected user and served user may also be
authorized user as defined in each supplementary service.
authorized user SwMI: SwMI where the authorized user is currently registered
call related service: service requested from call set-up initiation until call disconnection and related to that call
NOTE: The call-related service can also be valid a certain short time after disconnection but before next call
set-up is initiated.
call unrelated service: service either requested outside a call or inside a call but not referring to that call
ISI Mediation Function: entity which provides the services that are not supported by the transport layer protocol to
different ANF-ISI entities
served user: user for whom the supplementary service is invoked
served user SwMI: SwMI where the served user is currently registered
user: entity using the services of a telecommunications network via an externally accessible service access point
NOTE: A user may be a person or an application process.
user application: application process which acts as a user
NOTE: See definition of user.
3.2 Symbols
Void.
3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
ACK ACKnowledgement
AI Air Interface
ANF Additional Network Feature
ANF-ISIGC Additional Network Feature - Inter-System Interface Group Call
ANF-ISIMM Additional Network Feature - Inter-System Interface Mobility Management
ANF-ISISS Additional Network Feature - Inter-System Interface Supplementary Service
APDU Application Packet Data Unit
APP APProved
CC PDU Call Control Protocol Data Unit
DMO Direct Mode Operation
DOTAM Direct mode Over The Air Management protocol
EPT ETSI Project TETRA
ETS European Telecommunication Standard
FE Functional Entity
GSSI Group Short Subscriber Identity
GTSI Group TETRA Subscriber Identity
IP Internet Protocol
ISI SS Inter System Interface Supplementation Service
ISI Inter-System Interface
ISISS Inter-System Interface Supplementary Service
ISSI Individual Short Subscriber Identity
ITSI Individual TETRA Subscriber Identity
ITU International Telecommunication Union
MAC Media Access Control
MCC Mobile Country Code
MLE Mobile Link Entity
ETSI

---------------------- Page: 9 ----------------------
10 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
MNC Mobile Network Code
MNI Mobile Network Identity
MS Mobile Station
MS-ISDN Mobile Station ISDN number
PDU Protocol Data Unit
PICS Protocol Implementation Conformance Statement
PISN Private Integrated Services Network
PSS1 Private Sign
...

SLOVENSKI STANDARD
oSIST prEN 300 392-9 V1.7.0:2019
01-november-2019
Prizemni snopovni radio (TETRA) - Govor in podatki (V+D) - 9. del: Splošne
zahteve za dopolnilne storitve
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 9: General
requirements for supplementary services
Ta slovenski standard je istoveten z: ETSI EN 300 392-9 V1.7.0 (2019-08)
ICS:
33.070.10 Prizemni snopovni radio Terrestrial Trunked Radio
(TETRA) (TETRA)
oSIST prEN 300 392-9 V1.7.0:2019 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 300 392-9 V1.7.0:2019

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oSIST prEN 300 392-9 V1.7.0:2019
Draft ETSI EN 300 392-9 V1.7.0 (2019-08)






EUROPEAN STANDARD
Terrestrial Trunked Radio (TETRA);
Voice plus Data (V+D);
Part 9: General requirements for supplementary services

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oSIST prEN 300 392-9 V1.7.0:2019

2 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)



Reference
REN/TCCE-03265
Keywords
supplementary service, TETRA, V+D
ETSI
650 Route des Lucioles
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Tel.: +33 4 92 94 42 00  Fax: +33 4 93 65 47 16

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Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
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DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

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®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

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oSIST prEN 300 392-9 V1.7.0:2019

3 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
Contents
Intellectual Property Rights . 5
Foreword . 5
Modal verbs terminology . 6
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references . 8
3 Definition of terms, symbols, abbreviations and Functional Entities (FE) . 8
3.1 Terms . 8
3.2 Symbols . 9
3.3 Abbreviations . 9
3.4 Functional Entities (FE) . 11
4 Supplementary service concepts . 11
4.1 Stage 1, 2 and 3 descriptions . 11
4.1.0 General Description . 11
4.1.1 Stage 1 description . 11
4.1.2 Stage 2 description . 11
4.1.3 Stage 3 description . 12
4.2 Concepts associated with supplementary services . 12
5 Service primitives . 12
5.1 Service primitive general description . 12
5.2 Notification service primitive . 13
6 Supplementary service invocation order . 13
7 Transfer of information related to supplementary service at the MS interface . 13
7.1 Methods of transportation . 13
7.2 Call related service information . 14
7.2.1 Facility information element general construction . 14
7.2.2 Notification indicator information element . 15
7.3 Call unrelated supplementary service information . 15
8 SS PDU contents . 16
8.0 SS PDU contents general . 16
8.1 SS type . 17
8.2 SS PDU type. 17
8.3 Repeated information element or set of information elements . 19
8.3.1 Range type information element . 19
8.3.2 Response to a SS PDU including repeated information elements controlled by a range type

information element . 20
8.3.3 Information element number of XX . 21
8.4 Encoding of other SS PDU ele ments . 22
8.4.0 Encoding of other SS PDU elements general . 22
8.4.1 User identity. 22
8.4.2 Character string . 24
8.4.3 External number . 25
8.4.4 External call restriction . 27
8.4.5 Activation, definition, and interrogation failure values . 27
8.4.6 Manufacturer identifier information element . 28
9 SS PDU routeing . 28
9.1 Actions at the SwMI receiving an SS PDU from a MS registered in this SwMI . 28
9.2 SS PDU sent by a SwMI to a MS . 29
9.2.0 SS PDU sent by a SwMI to a MS general. 29
9.2.1 SS PDU addressed individually by a SwMI to an MS . 29
ETSI

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oSIST prEN 300 392-9 V1.7.0:2019

4 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
9.2.2 SS PDU originated by a SwMI using a group address . 30
9.2.3 Sending of SS PDU by the destination SwMI to MS . 30
9.3 SS PDU transport by ANF-ISISS . 30
10 ANF-ISISS . 31
10.1 Service model . 31
10.2 Service primitives . 31
10.3 Protocol . 32
10.3.1 Protocol general . 32
10.3.2 Possible groupings of ISI SS PDUs and of invoked ANF-ISISSs . 34
10.3.3 Void . 34
11 Exceptional cases . 34
11.1 ISI exceptional cases . 34
11.1.0 General . 34
11.1.1 Case a) . 35
11.1.1.1 Call unrelated ANF-ISISS PDU . 35
11.1.1.2 Call related ANF-ISISS PDU . 35
11.1.2 Case b) . 35
11.1.3 Case c) . 36
11.1.3.1 Case c) General . 36
11.1.4 Case d) . 36
11.1.4.0 Case d) general . 36
11.1.4.1 Cases d.1) and d.2) . 36
11.1.4.2 Case d.3) . 37
11.2 Exceptional cases at the air interface . 37
11.2.1 No ISI involved . 37
11.2.2 ISI involved . 38
12 Generic specification of activation/deactivation, definition and interrogation operations . 38
12.1 Stage 2 description . 38
12.2 Stage 3 description . 39
13 Authentication issues . 39
13.1 Authentication requirements for TETRA supplementary services . 39
13.2 The use of security class to meet authentication requirements for TETRA supplementary services . 40
13.2.0 General . 40
13.2.1 Class 1 . 40
13.2.2 Class 2 . 40
13.2.3 Class 3 . 40
13.2.4 Impact of ISI . 40
13.2.5 Security of data within a SwMI . 40
Annex A (informative): Definition of the ISI operation . 41
Annex B: Void . 42
Annex C: Void . 43
Annex D (informative): Change requests . 44
Annex E: Void . 45
History . 46

ETSI

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oSIST prEN 300 392-9 V1.7.0:2019

5 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
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.
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.
Foreword
This draft European Standard (EN) has been produced by ETSI Technical Committee TETRA and Critical
Communications Evolution (TCCE), and is now submitted for the combined Public Enquiry and Vote phase of the
ETSI standards EN Approval Procedure.
The present document is part 9 of a multi-part deliverable covering the Terrestrial Trunked Radio (TETRA); Voice plus
Data (V+D) and Direct Mode Operation (DMO), as identified below:
Part 1: "General network design";
Part 2: "Air Interface (AI)";
Part 3: "Interworking at the Inter-System Interface (ISI)":
Part 4: "Gateways basic operation";
Part 5: "Peripheral Equipment Interface (PEI)";
Part 7: "Security";
Part 9: "General requirements for supplementary services";
Part 10: "Supplementary services stage 1";
Part 11: "Supplementary services stage 2";
Part 12: "Supplementary services stage 3";
Part 13: "SDL model of the Air Interface (AI)";
Part 14: "Protocol Implementation Conformance Statement (PICS) proforma specification";
Part 15: "TETRA frequency bands, duplex spacings and channel numbering";
Part 16: "Network Performance Metrics";
Part 17: "TETRA V+D and DMO specifications";
Part 18: "Air interface optimized applications";
Part 19: "Interworking between TETRA and Broadband systems".
ETSI

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oSIST prEN 300 392-9 V1.7.0:2019

6 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
NOTE 1: Part 3, sub-parts 6 and 7 (Speech format implementation), part 4, sub-part 3 (Data networks gateway),
part 10, sub-part 15 (Transfer of control), part 13 (SDL) and part 14 (PICS) of this multi-part deliverable
are in status "historical" and are not maintained.
NOTE 2: Some parts are also published as Technical Specifications such as ETSI TS 100 392-2 and those may be
the latest version of the document.

Proposed national transposition dates
Date of latest announcement of this EN (doa): 3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 6 months after doa
Date of withdrawal of any conflicting National Standard (dow): 6 months after doa

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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oSIST prEN 300 392-9 V1.7.0:2019

7 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
1 Scope
The present document is applicable to any TETRA terminal equipment (Mobile Station (MS)) and to any TETRA
network (Switching and Management Infrastructure (SwMI)) which support at least one TETRA Supplementary
Service (SS). In addition, its routeing requirements of supplementary service information are applicable to any TETRA
network with a Voice plus Data (V+D) Inter-System Interface (ISI) to another TETRA network which supports at least
one TETRA SS.
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
reference document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
NOTE 1: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee
their long term validity.
NOTE 2: Note that for the TETRA standards, the reference is always to a European Standard (ETS EN 300 xxx) if
such has been published, but the latest version of that standard can be either an EN or a Technical
Specification (ETSI TS 100 xxx), even if this is not visible in the reference list.
The following referenced documents are necessary for the application of the present document.
[1] ETSI EN 300 392-1: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 1: General network design".
[2] ETSI EN 300 392-2: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 2: Air
Interface (AI)".
[3] ETSI EN 300 392-3-9: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 9: Transport layer independent,
General design".
[4] Void.
[5] Void.
[6] ETSI EN 300 392-7: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 7: Security".
[7] ETSI EN 300 392-10-6: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 10: Supplementary services stage 1; Sub-part 6: Call Authorized by Dispatcher (CAD)".
[8] ETSI EN/ETS 300 392-11 (all parts): "Terrestrial Trunked Radio (TETRA); Voice plus Data
(V+D); Part 11: Supplementary services stage 2".
[9] ETSI EN/ETS 300 392-12 (all parts): "Terrestrial Trunked Radio (TETRA); Voice plus Data
(V+D); Part 12: Supplementary services stage 3".
[10] ISO/IEC 11571 (1998): " Information technology -- Telecommunications and information
exchange between systems -- Private Integrated Services Networks -- Addressing".
[11] Void.
[12] Void.
ETSI

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8 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
[13] Recommendation ITU-T I.130 (1988): "Method for the characterization of telecommunication
services supported by an ISDN and network capabilities of an ISDN".
[14] Recommendation ITU-T E.164: "The international public telecommunication numbering plan".
[15] Recommendation ITU-T X.121: "International numbering plan for public data networks".
[16] Void.
[17] Void.
[18] Void.
[19] Void.
[20] ETSI ETS 300 392-12-7: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 12: Supplementary services stage 3; Sub-part 7: Short Number Addressing (SNA)".
[21] ISO/IEC 10646: "Information technology -- Universal Coded Character Set (UCS)".
[22] ETSI TS 100 392-18-3: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D) and Direct
Mode Operation (DMO); Part 18: Air interface optimized applications; Sub-part 3: Direct mode
Over The Air Management protocol (DOTAM)".
[23] ETSI EN 300 392-3-10: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 10: General design, PSS1
over E.1".
[24] ETSI EN 300 392-3-11: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);
Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 11: General design, SIP/IP".
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 1: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
NOTE 2: Note that for the TETRA standards, the reference is always to a European Standard (ETSI EN 300 xxx) if
such has been published, but the latest version of that standard can be either an EN or a Technical
Specification (ETSI TS 100 xxx), even if this is not visible in the reference list.
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 102 300-5: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Designers'
guide; Part 5: Guidance on Numbering and addressing".
3 Definition of terms, symbols, abbreviations and
Functional Entities (FE)
3.1 Terms
For the purposes of the present document, the terms given in ETSI EN 300 392-2 [2] and the following apply:
affected user: user who is subject to the operation
affected user SwMI: SwMI where the affected user is currently registered
ETSI

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9 Draft ETSI EN 300 392-9 V1.7.0 (2019-08)
authorized user: user who is responsible for the definition, activation and deactivation of the service
NOTE: The authorized user may also interrogate the service. Affected user and served user may also be
authorized user as defined in each supplementary service.
authorized user SwMI: SwMI where the authorized user is currently registered
call related service: service requested from call set-up initiation until call disconnection and related to that call
NOTE: The call-related service can also be valid a certain short time after disconnection but before next call
set-up is initiated.
call unrelated service: service either requested outside a call or inside a call but not referring to that call
ISI Mediation Function: entity which provides the services that are not supported by the transport layer protocol to
different ANF-ISI entities
served user: user for whom the supplementary service is invoked
served user SwMI: SwMI where the served user is currently registered
user: entity using the services of a telecommunications network via an externally accessible service access point
NOTE: A user may be a person or an application process.
user application: application process which acts as a user
NOTE: See definition of user.
3.2 Symbols
Void.
3.3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
ACK ACKnowledgement
AI Air Interface
ANF Additional Network Feature
ANF-ISIGC Additional Network Feature - Inter-System Interface Group Call
ANF-ISIMM Additional Network Feature - Inter-System Interface Mobility Management
ANF-ISISS Additional Network Feature - Inter-System Interface Su
...