SIST EN 300 392-10-21 V1.2.1:2003

• Abstract:

  Revision of stage 1 after PE resolution of stages 2 and 3.

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.070.10 - Terrestrial Trunked Radio (TETRA)
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Mandate: T-172-1A
• Ref Project: ETSI EN 300 392-10-21 V1.2.0 (2003-04) - Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary services stage 1; Sub-part 21: Ambience Listening (AL)

SIST EN 300 392-10-21 V1.2.1:2003 is the Slovenian adoption of EN 300 392-10-21 V1.2.1 for Terrestrial Trunked Radio (TETRA) Voice plus Data (V+D). It specifies the stage 1 service description for the Ambience Listening (AL) supplementary service, from the user point of view, including how the service is invoked, operated, ended, and how it interacts with other TETRA services. It is aimed at TETRA service providers, network operators, and implementers who need to define or check SS-AL behaviour.

What does SIST EN 300 392-10-21 V1.2.1:2003 specify?

SIST EN 300 392-10-21 V1.2.1:2003 specifies the stage 1 specification of the Ambience Listening (AL) supplementary service for TETRA V+D. Stage 1 gives the overall service description and procedures, but not the detailed human interface.

The document covers:

• the service description of SS-AL
• successful and unsuccessful procedures
• interactions with other TETRA supplementary services
• inter-working considerations

Charging principles are outside its scope. The document is organized into scope, references, definitions and abbreviations, the SS-AL stage 1 specification, and an informative bibliography in Annex A.

What are the key requirements of SIST EN 300 392-10-21 V1.2.1:2003?

SIST EN 300 392-10-21 V1.2.1:2003 defines how SS-AL is provided, invoked, and ended, and how it behaves when other services are present.

• Provision and withdrawal - Clause 4.2.1 says the service is provided by prior arrangement on subscription, may be offered selectively, may require a password, and may be withdrawn by the service provider. In practice, access control is part of service administration, not terminal behavior.
• Activation and interrogation - Clause 4.2.2.1 says the service is permanently activated when provided, and interrogation may report whether SS-AL is invoked for a TETRA identity and listening party identity. This matters for user support and service status checks.
• Invocation and operation - Clause 4.2.2.2 says the served user requests SS-AL during individual call set-up, or optionally during a group call, and the affected user's MS transmits without action from, or indication to, that user. In practice, the affected user is not alerted that ambience listening has started.
• Second listening party - Clause 4.2.2.2.1 allows optional inclusion of a second listening party. If the affected user is already being listened to, the new request may be rejected as busy or, by implementation option, joined as a second listening party.
• Completion - Clause 4.2.2.2.2 says the service ends when the served user clears the call, or when the affected user makes or receives a call. For the optional group-call speech item, completion can also follow a served-user request, group-call clearing, or the affected user requesting permission to talk.
• Exceptional outcomes - Clause 4.2.3 lists rejection causes such as lack of authorization, unknown identity, invalid parameters, insufficient information, unsupported service, or busy affected user. This gives implementers the causes they need to signal back to the served user.
• Interworking and service interactions - Clauses 4.3 to 4.5 define how SS-AL relates to BIC, BOC, CFU, CFB, CFNRc, HOLD, CLIP, COLP, DL, IC, LSC, and other TETRA services. These rules matter because SS-AL can override some services, be blocked by others, or suppress indications to the affected user.
• Network reach - Clause 4.5 says SS-AL is available across the intersystem interface, but not from non-TETRA terminals. That sets the boundary for interoperability.

What terms does SIST EN 300 392-10-21 V1.2.1:2003 define?

• Affected user - The user whose TETRA Mobile Station (MS) is being ambience listened to.
• Served user - The user who invokes the supplementary service.
• Mobile Station (MS) - The physical grouping that contains the mobile equipment used to obtain TETRA services.
• Switching and Management Infrastructure (SwMI) - All TETRA equipment for a Voice plus Data (V+D) network except user terminals.
• Supplementary Service (SS) - A TETRA supplementary service; in this document the abbreviation is used only for a specific supplementary service.
• Ambience Listening (AL) - The supplementary service defined here, abbreviated SS-AL.
• Terrestrial Trunked Radio (TETRA) - The radio system family addressed by the standard.

Who uses SIST EN 300 392-10-21 V1.2.1:2003?

SIST EN 300 392-10-21 V1.2.1:2003 is used by TETRA service providers and network operators to define how SS-AL is offered, controlled, and withdrawn. It is also used by SwMI and MS implementers who need to design the call handling, notification, and interaction behavior.

Test and conformance teams use it to check service status, invocation, completion, and interaction cases. Procurement and system engineering teams use it when they need a clear description of what SS-AL means in a TETRA network and which behaviors the network and terminal must support.

What changed in SIST EN 300 392-10-21 V1.2.1:2003 from the previous edition?

The document history records an earlier edition, ETS 300 392-10-21 V1.2.0, and the published version V1.2.1. The scope also describes this text as a revision of stage 1 after PE resolution of stages 2 and 3.

Which standards are used with SIST EN 300 392-10-21 V1.2.1:2003?

The normative reference named in Clause 2 is ITU-T Recommendation Z.100, which provides the Specification and Description Language (SDL) used for the overall dynamic description in Clause 4.6.

The foreword places this document in the ETSI TETRA V+D family, alongside companion parts such as EN 300 392-1, -2, -3, -5, -7, -9, -10, -11, -12, -13, and -14. Those parts cover the wider network, air interface, security, supplementary services, and conformance framework around SS-AL.

What does the SIST EN 300 392-10-21 V1.2.1:2003 document contain?

The document contains a short service definition, service procedures, exceptional cases, and a long set of interaction rules with other supplementary services. It also includes definitions and abbreviations, plus Clause 4.6 with an overall SDL model shown in Figure 1.

Annex A is an informative bibliography and lists ITU-T Recommendation I.130. The document history records the earlier and published editions.

SLOVENSKI STANDARD
01-december-2003
Prizemni snopovni radio (TETRA) – Govor in podatki (V+D) – 10. del: Dopolnilne
storitve stopnje 1 – 21. poglavje: Poslušanje okolice (AL)
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary
services stage 1; Sub-part 21: Ambience Listening (AL)
Ta slovenski standard je istoveten z: EN 300 392-10-21 Version 1.2.1
ICS:
33.070.10 Prizemni snopovni radio Terrestrial Trunked Radio
(TETRA) (TETRA)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

ETSI EN 300 392-10-21 V1.2.1 (2003-09)
European Standard (Telecommunications series)

Terrestrial Trunked Radio (TETRA);
Voice plus Data (V+D);
Part 10: Supplementary services stage 1;
Sub-part 21: Ambience Listening (AL)

2 ETSI EN 300 392-10-21 V1.2.1 (2003-09)

Reference
REN/TETRA-03001-10-21
Keywords
ambience, data, radio, speech, stage 1,
supplementary service, TETRA
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3 ETSI EN 300 392-10-21 V1.2.1 (2003-09)
Contents
Intellectual Property Rights.5
Foreword.5
1 Scope.7
2 References.7
3 Definitions and abbreviations.7
3.1 Definitions.7
3.2 Abbreviations.8
3.2.1 General abbreviations.8
3.2.2 Supplementary service abbreviations.8
4 SS-AL stage 1 specification .9
4.1 Description.9
4.1.1 General description.9
4.1.2 Qualifications on applicability to telecommunications services .9
4.2 Procedures.9
4.2.1 Provision/Withdrawal.9
4.2.2 Normal procedures.9
4.2.2.1 Management of SS-AL service .9
4.2.2.1.1 Activation/Deactivation.9
4.2.2.1.2 Interrogation.10
4.2.2.2 Invocation and operation.10
4.2.2.2.1 Invocation and operation .10
4.2.2.2.2 Completion.10
4.2.3 Exceptional procedures.11
4.2.3.1 Management of SS-AL .11
4.2.3.1.1 Activation/deactivation.11
4.2.3.1.2 Interrogation.11
4.2.3.2 Invocation and operation.11
4.3 Interactions with other supplementary services.11
4.3.1 Access Priority (AP) .11
4.3.2 Ambience Listening (AL).12
4.3.3 Area Selection (AS).12
4.3.4 Barring of Incoming Calls (BIC) .12
4.3.5 Barring of Outgoing Calls (BOC).12
4.3.6 Call Authorized by Dispatcher (CAD).12
4.3.7 Call Completion to Busy Subscriber (CCBS).12
4.3.8 Call Completion on No Reply (CCNR) .12
4.3.9 Call Forwarding on Busy (CFB).12
4.3.10 Call Forwarding on No Reply (CFNRy).12
4.3.11 Call Forwarding on Not Reachable (CFNRc).13
4.3.12 Call Forwarding Unconditional (CFU).13
4.3.13 Call Hold (HOLD).13
4.3.14 Calling Line Identification Presentation (CLIP).13
4.3.15 Calling/Connected Line Identification Restriction (CLIR).13
4.3.16 Call Report (CR).13
4.3.17 Call ReTention (CRT) .13
4.3.18 Call Waiting (CW).14
4.3.19 COnnected Line identification Presentation (COLP) .14
4.3.20 Discreet Listening (DL) .14
4.3.21 Dynamic Group Number Assignment (DGNA) .14
4.3.22 Include Call (IC) .14
4.3.23 Late Entry (LE).14
4.3.24 List Search Call (LSC).14
4.3.25 Pre-emptive Priority Call (PPC) .14
4.3.26 Priority Call (PC).14
ETSI
4 ETSI EN 300 392-10-21 V1.2.1 (2003-09)
4.3.27 Short Number Addressing (SNA).14
4.3.28 Talking Party Identification (TPI) .14
4.4 Interactions with other TETRA services .15
4.5 Inter-working considerations.15
4.6 Overall SDL.15
Annex A (informative): Bibliography.17
History .18

ETSI
5 ETSI EN 300 392-10-21 V1.2.1 (2003-09)
Intellectual Property Rights
IPRs essential or potentially essential to the present document 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 (http://webapp.etsi.org/IPR/home.asp).
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.
Foreword
This European Standard (Telecommunications series) has been produced by ETSI Project Terrestrial Trunked Radio
(TETRA).
The present document is part 10, sub-part 21 of a multi-part deliverable covering Voice plus Data (V+D), as identified
below:
EN 300 392-1: "General network design";
EN 300 392-2: "Air Interface (AI)";
EN 300 392-3: "Interworking at the Inter-System Interface (ISI)";
ETS 300 392-4: "Gateways basic operation";
EN 300 392-5: "Peripheral Equipment Interface (PEI)";
EN 300 392-7: "Security";
EN 300 392-9: "General requirements for supplementary services";
EN 300 392-10: "Supplementary services stage 1";
ETS 300 392-10-1: "Call identification";
ETS 300 392-10-2: "Call report";
ETS 300 392-10-3: "Talking Party Identification (TPI)";
EN 300 392-10-4: "Call Forwarding (CF)";
ETS 300 392-10-5: "List Search Call (LSC)";
ETS 300 392-10-6: "Call Authorized by Dispatcher (CAD)";
ETS 300 392-10-7: "Short number addressing";
ETS 300 392-10-8: "Area selection";
ETS 300 392-10-9: "Access priority";
EN 300 392-10-10: "Priority Call (PC)";
ETS 300 392-10-11: "Call Waiting (CW)";
ETS 300 392-10-12: "Call Hold (CH)";
ETS 300 392-10-13: "Call completion to busy subscriber";
EN 300 392-10-14: "Late Entry (LE)";
ETSI
6 ETSI EN 300 392-10-21 V1.2.1 (2003-09)
ETS 300 392-10-15: "Transfer of control";
ETS 300 392-10-16: "Pre-emptive priority call";
EN 300 392-10-17: "Include Call (IC)";
EN 300 392-10-18: "Barring of Outgoing Calls (BOC)";
EN 300 392-10-19: "Barring of Incoming Calls (BIC)";
ETS 300 392-10-20: "Discreet Listening (DL)";
EN 300 392-10-21: "Ambience Listening (AL)";
EN 300 392-10-22: "Dynamic Group Number Assignment (DGNA)";
ETS 300 392-10-23: "Call completion on no reply";
ETS 300 392-10-24: "Call Retention (CRT)";
EN 300 392-11: "Supplementary services stage 2";
EN 300 392-12: "Supplementary services stage 3";
ETS 300 392-13: "SDL model of the Air Interface (AI)";
ETS 300 392-14: "Protocol Implementation Conformance Statement (PICS) proforma specification";
TS 100 392-15: "TETRA frequency bands, duplex spacings and channel numbering";
TS 100 392-16: "Network Performance Metrics";
TS 100 392-17: "TETRA V+D and DMO Release 1.1 specifications".

National transposition dates
Date of adoption of this EN: 29 August 2003
Date of latest announcement of this EN (doa): 30 November 2003
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 May 2004
Date of withdrawal of any conflicting National Standard (dow): 31 May 2004

ETSI
7 ETSI EN 300 392-10-21 V1.2.1 (2003-09)
1 Scope
The present document defines the stage 1 specifications of the Ambience Listening (AL) supplementary service for the
Trans-European Trunked RAdio (TETRA). Stage 1 is an overall service description from the users point of view but
does not deal with the details of the human interface itself.
The present document specifies the service description of the supplementary service and the procedures to be expected
with successful and unsuccessful outcomes. In addition the present document specifies the interactions with other
TETRA supplementary services and inter-working considerations.
Charging principles are outside the scope of the present document.
The AL supplementary service enables the served user to place an affected user's TETRA Mobile Station (MS) into a
special type of individual voice call teleservice whereby the called MS shall transmit without any action from, or
indication to, the affected user.
2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present
document.
• References are either specific (identified by date of publication and/or edition number or version number) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• For a non-specific reference, the latest version applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
[1] ITU-T Recommendation Z.100: "Specification and Description Language (SDL)".
3 Definitions and abbreviations
3.1 Definitions
For the purposes of the present document, the following terms and definitions apply:
affected user: ambience listened-to user
Mobile Station (MS): physical grouping that contains all of the mobile equipment that is used to obtain TETRA
services
NOTE: By definition, a mobile station contains at least one Mobile Radio Stack (MRS).
served user: user who invokes the supplementary service
Switching and Management Infrastructure (SwMI): all
...