SIST EN 300 392-3-10 V1.2.1:2020

SLOVENSKI STANDARD
oSIST prEN 300 392-3-10 V1.2.0:2019
01-november-2019
Prizemni snopovni radio (TETRA) - Govor in podatki (V+D) - 3. del: Medsebojno
delovanje na medsistemskem vmesniku (ISI) - 10. poddel: Konstrukcija, splošno,
PSS1 nad E.1

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 3: Interworking at the

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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Intellectual Property Rights ................................................................................................................................ 5

Foreword ............................................................................................................................................................. 5

Modal verbs terminology .................................................................................................................................... 7

1 Scope ........................................................................................................................................................ 8

2 References ................................................................................................................................................ 8

2.1 Normative references ......................................................................................................................................... 8

2.2 Informative references ........................................................................................................................................ 9

3 Definition of terms, symbols and abbreviations ....................................................................................... 9

3.1 Terms .................................................................................................................................................................. 9

3.2 Symbols ............................................................................................................................................................ 11

3.3 Abbreviations ................................................................................................................................................... 11

4 Usage of Private Signalling System 1 (PSS1) for TETRA .................................................................... 12

4.1 PSS1 Functionality ........................................................................................................................................... 12

4.2 Protocol stack for signalling information ......................................................................................................... 12

4.3 Generic Functional Protocol (GFP) .................................................................................................................. 13

4.4 Protocol stack for user information .................................................................................................................. 13

4.5 User information encoding at the ISI ............................................................................................................... 14

5 ISI Generic Functional Protocol (ISI GFP) ............................................................................................ 14

5.1 Protocol model ................................................................................................................................................. 14

5.2 Services provided by the protocol model entities ............................................................................................. 15

5.3 Addressing and Message Content .................................................................................................................... 16

5.3.1 PSS1 Message Content ............................................................................................................................... 16

5.3.1.1 PISN Addressing ................................................................................................................................... 16

5.3.1.2 Basic PSS1 Parameter Content ............................................................................................................. 17

5.3.1.3 Facility Information Element Parameter Content.................................................................................. 18

5.3.2 Transport of ISI APDUs ............................................................................................................................. 19

5.3.2.1 General .................................................................................................................................................. 19

5.3.2.2 PSS1 Messages Used for Call related Services ..................................................................................... 19

5.3.2.3 PSS1 Messages Used for Call Independent Services ............................................................................ 20

5.4 Procedures ........................................................................................................................................................ 21

5.4.1 General ........................................................................................................................................................ 21

5.4.2 Connection Initiation .................................................................................................................................. 21

5.4.2.1 Call Independent Signalling .................................................................................................................. 21

5.4.2.2 Call Related Signalling ......................................................................................................................... 22

5.4.3 Transport of ISI APDUs in PSS1 FACILITY............................................................................................. 23

5.4.4 Transport of ISI Group Call Signalling....................................................................................................... 23

5.4.4.1 SwMI Roles for Group Call .................................................................................................................. 23

5.4.4.1.1 Definition of SwMI Roles for Group Call ....................................................................................... 23

5.4.4.1.2 Requirements on the originating SwMI ........................................................................................... 23

5.4.4.1.3 Requirements on the group home SwMI ......................................................................................... 24

5.4.4.1.4 Requirements on the controlling SwMI ........................................................................................... 24

5.4.4.1.5 Requirements on the participating SwMI ........................................................................................ 24

5.4.4.2 Binding Rules ........................................................................................................................................ 25

5.4.4.3 Sequences .............................................................................................................................................. 26

5.4.5 Transport of ISI Individual Call Signalling ................................................................................................ 28

5.4.5.1 SwMI Roles for Individual Call ............................................................................................................ 28

5.4.5.2 Requirements on the originating SwMI ................................................................................................ 28

5.4.5.3 Requirements on the destination SwMI ................................................................................................ 28

5.4.5.4 Call Restoration ..................................................................................................................................... 29

5.4.5.5 Binding Rules ........................................................................................................................................ 29

5.4.5.6 Sequences .............................................................................................................................................. 30

5.4.6 Error Handling ............................................................................................................................................ 31

5.4.7 Call Release ................................................................................................................................................ 35

5.4.7.1 Release of a Call Independent Connection ............................................................................................ 35

5.4.7.2 Release of a Call Related Connection ................................................................................................... 35

5.5 ISI GFP requirements and operation definition ................................................................................................ 37

5.6 Segmentation Service Element (SSE) .............................................................................................................. 37

5.6.1 Procedures................................................................................................................................................... 37

5.6.2 Requirements for procedures ...................................................................................................................... 38

5.6.2.1 Requirements for the segmentation procedure ...................................................................................... 38

5.6.2.2 Requirements for the re-assembly procedure ........................................................................................ 38

5.6.3 Segment encoding ....................................................................................................................................... 39

5.7 Co-ordinationFunction ..................................................................................................................................... 39

Annex A (informative): PSS1 Message Content .................................................................................. 41

A.1 Maximum length of an ISI APDU or a SSE segment encoded in a facility information element ......... 41

A.2 Example of the encoding of an ANF-ISIMM MIGRATION RESPONSE PDU in an ISI Invoke

APDU in a PSS1 FACILITY PDU ........................................................................................................ 41

Annex B (informative): Bibliography ................................................................................................... 43

Annex C (informative): Change requests ............................................................................................. 44

History .............................................................................................................................................................. 45

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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

The present document is part 3, sub-part 10 of a multi-part deliverable covering the Terrestrial Trunked Radio

Sub-part 12: "Transport layer independent Additional Network Feature Individual Call (ANF-ISIIC)";

Sub-part 13: "Transport layer independent Additional Network Feature Group Call (ANF-ISIGC)";

Sub-part 14: "Transport layer independent Additional Network Feature Short Data Service (ANF-ISISDS)";

Sub-part 15: Transport layer independent Additional Network Feature, Mobility Management

Part 14: "Protocol Implementation Conformance Statement (PICS) proforma specification";

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

NOTE 2: Some parts are also published as Technical Specifications such as ETSI TS 100 392-2 and those may be

The present document is based on ETSI EN 300 392-3-1 [i.2]. The main differences are:

For all subparts in the TETRA specification ETSI EN 300 392-3, "Interworking at the Inter-System Interface (ISI)", the

Date of withdrawal of any conflicting National Standard (dow): 6 months after doa

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

"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.

The present document defines the transport of the Inter-System Interface (ISI) using PSS1 as transport layer. It

• the general protocol mechanism, called ISI Mediation Function which coordinates the communication between

The ISI Mediation Function applies to any TETRA Switching and Management Infrastructure (SwMI) which supports

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 documents which are not found to be publicly available in the expected location might be found at

NOTE 1: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

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 necessary for the application of the present document.

[1] ETSI EN 300 392-3-8: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);

Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 8: Generic Speech Format

[2] 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,

[3] ETSI EN 300 392-3-12: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);

Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 12: Transport layer independent

[4] ETSI EN 300 392-3-13: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);

Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 13: Transport layer independent

[7] ETSI ETS 300 402-1: "Integrated Services Digital Network (ISDN); Digital Subscriber Signalling

[8] ETSI ETS 300 402-2: "Integrated Services Digital Network (ISDN); Digital Subscriber Signalling

System No. one (DSS1) protocol; Data link layer; Part 2: General protocol specification [ITU-T

[9] ISO/IEC 11572: "Information technology -- Telecommunications and information exchange

between systems -- Private Integrated Services Network -- Circuit mode bearer services --

[10] ISO/IEC 11582: "Information technology -- Telecommunications and information exchange

between systems -- Private Integrated Services Network -- Generic functional protocol for the

support of supplementary services -- Inter-exchange signalling procedures and protocol".

[11] Recommendation ITU-T G.704: "Synchronous frame structures used at 1544, 6312, 2048, 8448

[12] Recommendation ITU-T Q.931: "ISDN user-network interface layer 3 specification for basic call

[14] ISO/IEC 11571: "Information technology -- Telecommunications and information exchange

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

NOTE 1: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee

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

[i.2] ETSI EN 300 392-3-1: "Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D);

Part 3: Interworking at the Inter-System Interface (ISI); Sub-part 1: General design".

For the purposes of the present document, the terms given in ISO/IEC 11582 [10] and the following apply:

call independent: property of information which is conveyed between SwMIs on a signalling connection which is not

call independent signalling connection: signalling connection established between ANF-ISI entities located in

co-ordination Function: entity which provides co-ordination between different ANF-ISI entities, ROSE, SSE and

destination SwMI: Switching and Management Infrastructure where the receiving ANF-ISI entity is located (in the

context of a single one-way exchange of information between two ANF-ISI entities located in different Switching and

Generic Functional Transport Control (GFT Control) entity: entity that exists within a Switching and Management

Infrastructure and provides a range of services to the ANF-ISI entities and ROSE via the co-ordination Function

group attached SwMI: Switching and Management Infrastructure different from the home SwMI of the group

considered in which at least one individual subscriber member of the group is attached to that group

Group TETRA Subscriber Identity (GTSI): TETRA Subscriber Identity assigned to a group

home SwMI: Switching and Management Infrastructure in which the subscription of a given user is registered

NOTE: That user is defined as being a subscriber (see below the definition of that term).

invocation: action taken by the user or by the service provider to execute a specific service function within real time

ISI Mediation Function: entity which provides to different ANF-ISI entities the services that are not supported by the

Location Area (LA): area within radio coverage of a base station or group of base stations within which a Mobile

NOTE: It consists of the Mobile Country Code (MCC) and the Mobile Network Code (MNC).

Mobile Station (MS): physical grouping that contains all of the mobile equipment that is used to obtain TETRA

NOTE: By definition, a mobile station contains at least one Mobile Radio Stack (MRS).

originating SwMI: in the context of a TETRA call, Switching and Management Infrastructure where the calling user is

registered (which implies that this user is located in that SwMI) or Switching and Management Infrastructure which

PISN number: number that unambiguously identifies the addressed PINX or an addressable entity associated with that

service user: abstract representation of the totality of those entities in a single system that makes use of a service

source SwMI: Switching and Management Infrastructure where the sending ANF-ISI entity is located (in the context of

a single one-way exchange of information between two ANF-ISI entities located in different Switching and

subscriber: user of a telecommunication service, based on a contract with the provider of the service

NOTE 1: The subscriber may be an individual or a group: in the first case it is identified by an ITSI, in the second,

NOTE 2: The individual subscriber is able to access an SwMI either through a MS or Line Station.

supplementary service: service which modifies or supplements a basic bearer service or a basic teleservice

NOTE: A supplementary service cannot be offered to a customer as a stand-alone service. It should be offered in

Switching and Management Infrastructure (SwMI): all of the TETRA equipment for a Voice plus Data (V+D)