SIST ETS 300 392-10-9 E1:2003

• 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 300 392-10-9 ed.1 (1996-04) - Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary services stage 1; Sub-part 9: Access priority

Overview

SIST ETS 300 392-10-9 E1:2003 specifies requirements for the Access Priority Supplementary Service (SS-AP) within the Terrestrial Trunked Radio (TETRA) Voice plus Data (V+D) system. This European telecommunications standard addresses predicted digital trunked radio needs in Europe, focusing on regulated access to the TETRA network during periods of congestion. It defines user-oriented service behavior at stage 1, outlines the service definition, details interactions with other supplementary services, and identifies relevant procedures for activation, registration, and operation.

As part of a multi-part series on TETRA, this standard is vital for operators, network providers, and equipment manufacturers seeking to implement effective priority-based access strategies in mission-critical radio networks.

Key Topics

• Access Priority Level (APL): Establishes a numeric priority assigned to each TETRA subscriber, group, or call type, used in managing uplink access when the radio network is congested.
• Preferential Access: Enables selected users or services to gain access to TETRA resources even during network overload, ensuring critical communications can proceed.
• Procedures and Activation:
  • Service is managed via the Switching and Management Infrastructure (SwMI).
  • Activation, definition, registration, and interrogation processes for access priority are defined for both normal and exceptional circumstances.
• User Types: Access priority is managed on a per-user (ITSI – Individual TETRA Subscriber Identity) or group (GTSI – Group TETRA Subscriber Identity) basis.
• Broadcast and Comparison Mechanism: The SwMI broadcasts the permissible APL; each mobile compares its level with the broadcast value before attempting network access.
• Service Scope: SS-AP applies to all TETRA circuit mode teleservices, bearer services, and Short Data Service (SDS).

Applications

The Access Priority supplementary service is designed to enhance network reliability and service continuity in environments where communication resources are limited, particularly during high congestion or emergencies. Key application areas include:

• Public Safety and Emergency Services: Ensuring police, fire, and medical teams always have network access when needed most.
• Critical Infrastructure Management: Allowing authorized operators and field personnel to communicate during incidents or service disruptions.
• Transport and Utilities: Prioritizing operational calls where system overload could impact safety or efficiency.
• Large Event Coordination: Supporting event management teams by guaranteeing voice and data calls reach the network, even when demand spikes.

By integrating SS-AP, organizations can enforce tiered access rights, reduce connection delays for critical users, and maintain robust communication channels during peak usage or failures.

Related Standards

SIST ETS 300 392-10-9 E1:2003 operates within a broader TETRA framework and aligns with several additional European Standards:

• ETSI EN 300 392-2: TETRA Air Interface
• ETSI EN 300 392-3: Inter-working specifications
• ETSI EN 300 392-7: Security
• ETSI EN 300 392-8: Management services
• ETSI EN 300 392-10: Supplementary services (other parts, including stage 2 and stage 3)

It references foundational documents such as CCITT Recommendation I.130 (telecommunications service characterization) and ITU-T Recommendation Z.100 (Specification and Description Language).

Access Priority (SS-AP) is just one of several TETRA supplementary services, which also include call holding, forwarding, call completion, and dynamic group management (DGNA), all supporting efficient, secure, and prioritized professional mobile radio communications in European digital trunked radio networks.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Radijska oprema in sistemi (RES) - Vseevropski prizemni snopovni radio (TETRA) - Govor in podatki (V+D) - 10. del: Dopolnilne storitve stopnje 1- 10-09. del: Prednost pri dostopuTerrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary services stage 1; Sub-part 9: Access priority33.070.10Prizemni snopovni radio (TETRA)Terrestrial Trunked Radio (TETRA)ICS:Ta slovenski standard je istoveten z:ETS 300 392-10-9 Edition 1SIST ETS 300 392-10-9 E1:2003en01-december-2003SIST ETS 300 392-10-9 E1:2003SLOVENSKI
STANDARD
EUROPEANETS 300 392-10-09TELECOMMUNICATIONApril 1996STANDARDSource: ETSI TC-RESReference: DE/RES-06001-10-09ICS:33.020, 33.060.50Key words:TETRA, V+DRadio Equipment and Systems (RES);Trans-European Trunked Radio system (TETRA);Voice plus Data (V+D);Part 10: Supplementary services stage 1;Part 10-09: Access priorityETSIEuropean Telecommunications Standards InstituteETSI SecretariatPostal address: F-06921 Sophia Antipolis CEDEX - FRANCEOffice address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCEX.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: [e-mail].: [phone] - Fax: [phone]Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and theforegoing restriction extend to reproduction in all media.© European Telecommunications Standards Institute 1996. All rights reserved.SIST ETS 300 392-10-9 E1:2003

Page 2ETS 300 392-10-09: April 1996Whilst 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 Editing and Committee Support Dept." at the address shown on the title page.SIST ETS 300 392-10-9 E1:2003

Page 3ETS 300 392-10-09: April 1996ContentsForeword.51Scope.72Normative references.73Definitions and abbreviations.73.1Definitions.73.2Abbreviations.73.2.1General abbreviations.73.2.2Supplementary service abbreviations.84Supplementary Service Access Priority (SS-AP) stage 1 specification.84.1Description.84.1.1General description.84.1.2Qualifications on applicability to telecommunication services.94.2Procedures.94.2.1Provision and withdrawal.94.2.2Normal procedures.94.2.2.1Activation, deactivation, definition, registration,interrogation and cancellation.94.2.2.1.1Activation and deactivation.94.2.2.1.2Definition.94.2.2.1.3Registration.94.2.2.1.4Interrogation.94.2.2.1.5Cancellation.104.2.2.2Invocation and operation.104.2.3Exceptional procedures.104.2.3.1Activation, deactivation, definition, registration,interrogation and cancellation.104.2.3.1.1Activation and deactivation.104.2.3.1.2Definition.104.2.3.1.3Registration.104.2.3.1.4Interrogation.114.2.3.1.5Cancellation.114.2.4.1Invocation and operation.114.3Interactions with other supplementary services.114.3.1Calling Line Identification Presentation (SS-CLIP).114.3.2Connected Line identification Presentation (SS-COLP).114.3.3Calling/Connected Line Identification Restriction (SS-CLIR).114.3.4Call Report (SS-CR).114.3.5Talking Party Identification (SS-TPI).114.3.6Call Forwarding Unconditional (SS-CFU).114.3.7Call Forwarding on Busy (SS-CFB).114.3.8Call Forwarding on No Reply (SS-CFNRy).114.3.9Call Forwarding on Not Reachable (SS-CFNRc).114.3.10List Search Call (SS-LSC).124.3.11Call Authorized by Dispatcher (SS-CAD).124.3.12Short Number Addressing (SS-SNA).124.3.13Area Selection (SS-AS).124.3.14Access Priority (SS-AP).124.3.15Priority Call (SS-PC).124.3.16Call Waiting (SS-CW).124.3.17Call Hold (SS-HOLD).124.3.18Call Completion to Busy Subscriber (SS-CCBS).124.3.19Late Entry (SS-LE).124.3.20Transfer of Control (SS-TC).12SIST ETS 300 392-10-9 E1:2003

Page 4ETS 300 392-10-09: April 19964.3.21Pre-emptive Priority Call (SS-PPC).124.3.22Include Call (SS-IC).124.3.23Advice of Charge (SS-AoC).124.3.24Barring of Outgoing Calls (SS-BOC).124.3.25Barring of Incoming Calls (SS-BIC).134.3.26Discreet Listening (SS-DL).134.3.27Ambience Listening (SS-AL).134.3.28Dynamic Group Number Assignment (DGNA).134.3.29Call Completion on No Reply (SS-CCNR).134.3.30Call Retention (SS-CRT).134.4Inter-working considerations.134.5Overall SDL.14History.16SIST ETS 300 392-10-9 E1:2003

Page 5ETS 300 392-10-09: April 1996ForewordThis European Telecommunication Standard (ETS) has been produced by the Radio Equipment andSystems (RES) Technical Committee of the European Telecommunications Standards Institute (ETSI).This ETS is a multi-part standard and will consist of the following parts:Part 1:"General network design".Part 2:"Air Interface (AI)".Part 3:"Inter-working", (DE/RES-06001-3).Part 4:"Gateways", (DE/RES-06001-4).Part 5:"Terminal equipment interface", (DE/RES-06001-5).Part 6:"Line connected stations", (DE/RES-06001-6).Part 7:"Security".Part 8:"Management services", (DE/RES-06001-8).Part 9:"Performance objectives", (DE/RES-06001-9).Part 10:"Supplementary services stage 1".Part 11:"Supplementary services stage 2", (DE/RES-06001-11).Part 12:"Supplementary services stage 3", (DE/RES-06001-12).Part 13:"SDL Model of the Air Interface", (DE/RES-06001-13).Part 14:"PICS Proforma", (DE/RES-06001-14).Part 15:"Inter-working - Extended Operations", (DE/RES-06001-15).Part 16:"Gateways for Supplementary Services", (DE/RES-06001-16).Transposition datesDate of adoption of this ETS:1 March 1996Date of latest announcement of this ETS (doa):31 July 1996Date of latest publication of new National Standardor endorsement of this ETS (dop/e):31 January 1997Date of withdrawal of any conflicting National Standard (dow):31 January 1997SIST ETS 300 392-10-9 E1:2003

Page 6ETS 300 392-10-09: April 1996Blank pageSIST ETS 300 392-10-9 E1:2003

Page 7ETS 300 392-10-09: April 19961ScopeThis European Telecommunication Standard (ETS) defines the stage 1 specifications of theSupplementary Service Access Priority (SS-AP) for the Trans-European Trunked RAdio (TETRA). Stage 1is an overall service description from the users point of view but does not deal with the details of thehuman interface itself.This ETS specifies the service description of the supplementary service and the procedures to beexpected with successful and unsuccessful outcomes. In addition this ETS specifies the interactions withother TETRA supplementary services and inter-working considerations.Charging principles are outside the scope of this ETS.The SS-AP enables a user to have preferential access to the TETRA system in times of radio linkcongestion.2Normative referencesThis ETS incorporates, by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text and the publications are listedhereafter. For dated references, subsequent amendments to or revisions of any of these publicationsapply to this ETS only when incorporated in it by amendment or revision. For undated references the latestedition of the publication referred to applies.[1]CCITT Recommendation I.130 (1988): "Method for the characterization oftelecommunication services supported by an ISDN and network capabilities ofan ISDN".[2]ITU-T Recommendation Z.100 (1993): "Specification and Description Language(SDL)".3Definitions and abbreviations3.1DefinitionsFor the purposes of this ETS, the following definitions apply:access control: The prevention of unauthorized use of resources, including the use of a resource in anunauthorized manner.access priority level: A value allocated to each mobile ITSI or GTSI/call type. It is used at the initial callset-up attempt to determine priority access across the air interface to the control functional entities.served user: The user making a request for service.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 communicatewith each other via the SwMI.3.2Abbreviations3.2.1General abbreviationsFor the purposes of this ETS, the following general abbreviations apply:GTSIGroup TETRA Subscriber IdentityISDNIntegrated Services Digital NetworkITSIIndividual TETRA Subscriber IdentityMSMobile StationSDL(Functional) Specification and Description LanguageSSSupplementary ServiceSIST ETS 300 392-10-9 E1:2003

Page 8ETS 300 392-10-09: April 1996NOTE:The abbreviation SS is only used when referring to a specific supplementary service.SwMISwitching and Manag
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