SIST ETS 300 392-10-5 E2:2003

• Abstract:

  Analysis of predicted needs for digital trunked systems in Europe; definition of services to be provided; analysis of spectrum req ments; characteristics of relevant interfaces Contains: TETRA 03.60 to 03.85

• 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 ETS 300 392-10-5 ed.2 (2000-08) - Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary services stage 1; Sub-part 5: List Search Call (LSC)

Overview

SIST ETS 300 392-10-5 E2:2003 is a European standard focused on the Terrestrial Trunked Radio (TETRA) system, specifically addressing the Voice plus Data (V+D) service. Part 10, Sub-part 5 defines the List Search Call (LSC) supplementary service at stage 1 of specification, providing a user-oriented overview of the service capability. This standard, published by SIST and aligned with ETSI specifications, is essential for operators, manufacturers, and users who need digital trunked radio solutions optimized for operational efficiency in critical communications within Europe.

LSC allows the efficient management of incoming calls by sequentially routing calls to a predefined list of attendants. This supplementary service is crucial for organizations that require quick and reliable call handling, such as emergency services, utilities, transportation, and public safety agencies.

Key Topics

• List Search Call (LSC) Supplementary Service: Enables routing of calls to a designated sequence of attendants using a Search List Number (SLN), until the call is answered or the sequence is exhausted.
• User-centric Service Definition: Based on methods outlined in CCITT Recommendation I.130, the standard defines the LSC from the user's perspective.
• Procedures and Operations:
  • Provision and Withdrawal: Provided by prior arrangement; can be withdrawn upon request.
  • Activation/Deactivation: Managed by authorized users, with notifications for successful or failed requests.
  • List Configuration: Adding, removing, or replacing attendants in the call sequence.
  • Handling Call Outcomes: Notifications for unsuccessful attempts (e.g., all attendants busy or no reply).
• Interoperability: Describes interactions and compatibility with other TETRA supplementary services (e.g., call forwarding, call waiting, priority calls).
• Administrative Flexibility: SLNs can be assigned to both individuals (ITSI) and groups (GTSI), supporting various organizational structures and operational demands.

Applications

The LSC supplementary service, as described in SIST ETS 300 392-10-5 E2:2003, is particularly beneficial for:

• Public Safety and Emergency Services: Ensures emergency calls reach available personnel without delay, supporting mission-critical communications.
• Utilities and Transportation: Enables centralized dispatch centers to direct incoming calls through structured response teams.
• Large Organizations and Government Agencies: Supports efficient communication hierarchies, allowing calls to be routed flexibly according to staff availability.
• TETRA Network Operators and Integrators: Provides clear guidelines for implementing and managing LSC as part of a comprehensive digital trunked radio system, facilitating compliance with European requirements.
• Equipment Manufacturers and Developers: Ensures interoperability and standard-conformant implementation of supplementary services, enhancing product offerings for the European market.

Related Standards

SIST ETS 300 392-10-5 E2:2003 is part of a suite of TETRA standards developed to harmonize digital trunked radio communication. Related standards include:

• SIST ETS 300 392-10-2: Specification for supplementary service - Call report.
• SIST ETS 300 392-10: General supplementary services (stages 1-3).
• TETRA 03.60 to 03.85: Technical references detailing the TETRA V+D service components, system interfaces, and service features.
• CCITT Recommendation I.130: Methodology for description of telecommunication services.
• ITU-T Recommendation Z.100: Specification and Description Language (SDL) for functional modelling.
• Other Parts of ETS 300 392: Covering air interface, network design, gateways, security protocols, and conformance requirements.

Practical Value

Implementing the LSC as per SIST ETS 300 392-10-5 E2:2003 significantly enhances operational reliability and responsiveness in organizations relying on TETRA-based communications. By standardizing procedures for call routing, attendant management, and service interoperability, this standard supports resilient, efficient, and compliant communications infrastructure across critical sectors in Europe.

Keywords: TETRA, List Search Call, LSC, supplementary service, digital trunked radio, public safety, dispatch, telecommunication standards, call routing, search list, European standard, radio communication, ETSI.

SLOVENSKI STANDARD
01-december-2003
Prizemni snopovni radio (TETRA) – Govor in podatki (V+D) – 10. del: Dopolnilne
storitve stopnje 1 – 5. poglavje: Klic za iskanje po seznamu (LSC)
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary
services stage 1; Sub-part 5: List Search Call (LSC)
Ta slovenski standard je istoveten z: ETS 300 392-10-5 Edition 2
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.

EUROPEAN ETS 300 392-10-5
TELECOMMUNICATION August 2000
STANDARD Second Edition
Source: TETRA Reference: RE/TETRA-03001-10-05
ICS: 33.020
Key words: Data, list, radio, speech, stage 1, supplementary service, TETRA, V+D
Terrestrial Trunked Radio (TETRA);
VoiceplusData (V+D);
Part 10: Supplementary services stage 1;
Sub-part 5: List Search Call (LSC)
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Internet: [e-mail] - http://www.etsi.org
Tel.:[phone]- Fax:[phone]
Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the
foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2000. All rights reserved.

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ETS 300 392-10-5: August 2000
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Standards Making Support Dept." at the address shown on the title page.

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ETS 300 392-10-5: August 2000
Contents
Foreword.5
1 Scope .7
2 Normative references.7
3 Definitions, abbreviations and symbols.7
3.1 Definitions .7
3.2 Abbreviations .8
3.2.1 General abbreviations .8
3.2.2 Supplementary services abbreviations .8
3.3 Symbols .9
4 SS-LSC Stage 1 Specification .9
4.1 Description .9
4.1.1 General Description.9
4.1.2 Qualifications on applicability to Telecommunication Services.9
4.2 Procedures.10
4.2.1 Provision/Withdrawal.10
4.2.2 Normal procedures.10
4.2.2.1 Activation, deactivation, definition, registration,
interrogation and cancellation.10
4.2.2.1.1 Activation and deactivation .10
4.2.2.1.2 Definition .10
4.2.2.1.3 Registration.10
4.2.2.1.4 Interrogation.11
4.2.2.1.5 Cancellation .11
4.2.2.2 Invocation and operation .11
4.2.3 Exceptional procedures.11
4.2.3.1 Activation, deactivation, definition, registration,
interrogation and cancellation.11
4.2.3.1.1 Activation and deactivation .11
4.2.3.1.2 Definition .12
4.2.3.1.3 Registration.12
4.2.3.1.4 Interrogation.12
4.2.3.1.5 Cancellation .12
4.2.3.2 Invocation and operation .12
4.3 Interaction with other supplementary services and ANFs .12
4.3.1 Calling line identification presentation.12
4.3.2 Connected line identification presentation .12
4.3.3 Calling/Connected line identification restriction .12
4.3.4 Call report.13
4.3.5 Talking party identification.13
4.3.6 Call forwarding unconditional .13
4.3.7 Call forwarding on busy.13
4.3.8 Call forwarding on no reply.13
4.3.9 Call forwarding on not reachable .13
4.3.10 List search call.13
4.3.11 Call authorized by dispatcher.13
4.3.12 Short number addressing.14
4.3.13 Area selection.14
4.3.14 Access priority.14
4.3.15 Priority call.14
4.3.16 Call waiting .14
4.3.17 Call hold.14
4.3.18 Call completion to busy subscriber .14

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ETS 300 392-10-5: August 2000
4.3.19 Late entry. 14
4.3.20 Transfer of control. 14
4.3.21 Pre-emptive priority call . 14
4.3.22 Include call. 14
4.3.23 Advice of charge . 14
4.3.24 Barring of outgoing calls . 14
4.3.25 Barring of incoming calls. 15
4.3.26 Discreet listening . 15
4.3.27 Ambience listening. 15
4.3.28 Dynamic group number assignment. 15
4.3.29 Call completion on no reply . 15
4.3.30 Call retention. 15
4.3.31 Interaction with ANF-ISI. 15
4.3.32 Interaction with ANF-MM . 15
4.4 Inter-working considerations . 15
4.5 Overall SDL . 16
History. 17

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ETS 300 392-10-5: August 2000
Foreword
This European Telecommunication Standard (ETS) was produced by the Terrestrial Trunked Radio
(TETRA) ETSI Project of the European Telecommunications Standards Institute (ETSI).
This ETS consists of 14 parts as follows:
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 6: "Line connected Station (LS)";
Part 7: "Security";
Part 8: "Network management services";
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".
Transposition dates
Date of adoption of this ETS: 2 June 2000
Date of latest announcement of this ETS (doa):
30 November 2000
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 31 May 2001
Date of withdrawal of any conflicting National Standard (dow): 31 May 2001

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ETS 300 392-10-5: August 2000
1 Scope
This European Telecommunication Standard (ETS) defines the stage 1 specifications of the List Search
Call (LSC) supplementary services for the Terrestrial Trunked Radio as provided by European operators.
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.
This ETS specifies the service description of the supplementary services and the procedures to be
expected with successful and unsuccessful outcomes. In addition the ETS specifies the interactions with
other TETRA supplementary services and inter-working considerations.
Supplementary services specifications are produced in three stages according to the method defined in
CCITT Recommendation I.130 [1]. The stage 1 description given in this ETS gives the supplementary
services requirements seen from the user point of view. The stage 2 description identifies the functional
capabilities and the information flows needed to support the supplementary services as specified in its
stage 1 description (see ETS 300 392-10-2 [3]). The stage 2 description is followed by the stage 3
description, which specifies the protocols at the air interface and at the various Inter-System Interfaces
(ISI) to support the service.
Charging principles and Man Machine Interface are outside the scope of this ETS.
The LSC supplementary services allows an incoming call to be offered to a pre-defined list of attendants
in sequence, until the incoming call is answered or the call set up attempt is considered to be
unsuccessful.
2 Normative references
This ETS incorporates by dated and undated reference, provisions from other publications. These
(normative) references are cited at the appropriate places in the text and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications
apply to this ETS only when incorporated in it by amendment or revision. For undated references the
latest edition of the publication referred to applies.
[1] CCITT Recommendation I.130 (1988): "Method for the characterization of
telecommunication services supported by an ISDN and network capabilities of
an ISDN".
[2] ITU-T Recommendation Z.100 (1993): "Specification and description language".
[3] ETS 300 392-10-2 (1996): "Terrestrial Trunked Radio (TETRA); Voice plus Data
(V+D); Part 10: Supplementary services stage 1; Sub-part 2: Call report".
3 Definitions, abbreviations and symbols
3.1 Definitions
For the purpose of this ETS, the following terms and definitions apply:
attendant: address within the search list, which has been designated upon definition by the authorized
user to receive calls
authorized user: user authorized to define and activate the search list against an Individual TETRA
Subscriber Identity (ITSI)
Base Station (BS): physical grouping of equipment, which provides the fixed portion of the air interface.
One base station transmits and receives radio signals to and from a single location area (a single region
of geographical coverage). A BS contains at least one Base Radio Stack (BRS)
bearer service: type of telecommunication service that provides the capability for the transmission of
signals between user-network interfaces

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ETS 300 392-10-5: August 2000
search list: group of attendants accessed by the infrastructure in sequence
search list number: number (ITSI) to which a search list is assigned
served user: user making an incoming call to the search list number
Supplementary services (SS): supplementary services modifies or supplements a bearer service or a
teleservice. A supplementary services cannot be offered to a customer as a stand alone service. It should
be offered in combination with a bearer service or a teleservice
Switching and Management Infrastructure (SwMI): all of the TETRA equipment for a Voice plus Data
(V+D) network except for subscriber terminals. The SwMI enables subscriber terminals to communicate
with each other via the SwMI
teleservice: type of telecommunications service that provides the complete capability, including terminal
equipment functions, for communication between users according to agreed protocols
3.2 Abbreviations
3.2.1 General abbreviations
For the purposes of this ETS, the following general abbreviations apply:
ANF Additional Network Function
GTSI Group TETRA Subscriber Identity
ISDN Integrated Services Digital Network
ITSI Individual TETRA Subscriber Identity
SDL (Functional) Specification and Description Language
SLN Search List Number
SS Supplementary services
NOTE: The abbreviation SS is only used when referring to a specific supplementary services.
SwMI Switching and Management Infrastructure
TETRA Terrestrial Trunked Radio
3.2.2 Supplementary services abbreviations
For the purposes of this ETS, the following Supplementary Services abbreviations apply:
AL Ambience Listening
AS Area Selection
BIC Barring of Incoming Calls
CAD Call Authorized by Dispatcher
CCBS Call Completion to Busy Subscriber
CCNR Call Completion on No Reply
CFB Call Forwarding on Busy
CFNRc Call Forwarding on Not Reachable
CFNRy Call Forwarding on No Reply
CFU Call Forwarding Unconditional
CLIP Calling Line Identification Presentation
CLIR Calling/Connected Line Identification Restriction
COLP Connected Line Identification Presentation
CW Call Waiting
DL Discreet Listening
LSC List Search Call
PC Priority Call
PPC Pre-emptive Priority Call
SLN Search List Number
SNA Short Number Addressing
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ETS 300 392-10-5: August 2000
3.3 Symbols
There are no other symbols in this ETS besides those symbols used in SDL diagrams according to
ITU-T Recommendation Z.100 [2].
4 SS-LSC Stage 1 Specification
4.1 Description
4.1.1 General Description
The LSC supplementary services allows an authorized user to define a list of attendants so that when a
served user makes an incoming call to the Search List Number (SLN), the infrastructure shall re-route the
incoming call to the first attendant within the search list. If the call request to the first attendant is
unsuccessful, then the infrastructure shall attempt to re-route the call request to the second attendant in
the search list, and so on until either an attendant ans
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