SIST EN 300 392-10-6 V1.3.1:2006

• Abstract:

  The present document defines the stage 1 specifications of the Supplementary Service Call Authorized by Dispatcher (SS-CAD) for the Terrestrial Trunked Radio (TETRA) system. 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 interworking considerations. Charging principles are outside the scope of the present document. The SS-CAD ensures that predefined TETRA calls do not proceed without first being authorized by a dispatcher.

• Status: Published
• Publication Date: 31-Mar-2006
• 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-Apr-2006
• Due Date: 01-Apr-2006
• Completion Date: 01-Apr-2006
• Mandate: T-172-1A
• Ref Project: ETSI EN 300 392-10-6 V1.3.1 (2004-02) - Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary services stage 1; Sub-part 6: Call Authorized by Dispatcher (CAD)

Overview

SIST EN 300 392-10-6 V1.3.1:2006 specifies the Stage 1 user service description for the supplementary service "Call Authorized by Dispatcher" (SS-CAD) within the Terrestrial Trunked Radio (TETRA) Voice plus Data (V+D) system. Issued by SIST and based on ETSI standards, this standard details how a dispatcher controls call authorization, ensuring that specified calls cannot proceed without dispatcher approval. This feature is essential for operational control and increased security, particularly in mission-critical TETRA networks used by emergency services, transport, and utilities.

Key Topics

• Supplementary Service Description
  SS-CAD requires dispatcher authorization before certain TETRA calls proceed. This applies to both outgoing and incoming calls, based on configurable criteria such as user, service type, or geographic area.

• Procedures
  The standard outlines procedures for:

  • Provision and withdrawal of SS-CAD
  • Definition, activation, deactivation, registration, and interrogation of restrictions
  • Handling successful and unsuccessful authorization outcomes
  • Notification and feedback to authorized users or dispatchers

• Implementation Options
  Call interception can be triggered for:

  • Restricted basic service requests (e.g., speech, data)
  • Restricted destination or source addresses (internal or external users/gateways)
  • Restricted geographic areas

• User Roles

  • Dispatcher: User who authorizes or rejects call requests falling under CAD rules
  • Authorized User: User permitted to define, activate, and interrogate SS-CAD settings
  • Restricted User: User subject to dispatcher-controlled call approval

• Interactions with Other Services
  SS-CAD describes its interactions (or non-interaction) with many other TETRA supplementary services, such as Call Forwarding, Call Hold, Pre-emptive Priority Call, and more.

• Interworking Considerations
  Specifies behavior when users roam between TETRA systems, maintaining dispatcher control across system boundaries.

Applications

• Public Safety Communications
  Enables dispatchers in police, fire, and ambulance services to carefully manage network calls, preventing unauthorized connections in sensitive operations.

• Critical Infrastructure & Utilities
  Used in industries where operational control is necessary to protect infrastructure and personnel, such as energy networks, transportation, and airports.

• Managed Group Communications
  Allows centralized control in organizations requiring strict call flows, ensuring only dispatcher-authorized calls are allowed for certain users or situations.

• Roaming and Multi-Network Environments
  Maintains dispatcher-based call authorization even when users are outside their home TETRA network, ensuring uninterrupted application of security and operational procedures.

Related Standards

• EN 300 392-1 - General TETRA network design
• EN 300 392-10 - TETRA supplementary services, Stage 1
• EN 300 392-10-2 - Call Report service
• EN 300 392-10-4 - Call Forwarding (CF)
• EN 300 392-10-11 - Call Waiting (CW)
• EN 300 392-11 - Supplementary services, Stage 2

For a complete list of TETRA supplementary services and their stage 1 specifications, refer to the EN 300 392-10 series.

---

Keywords: TETRA, Terrestrial Trunked Radio, Call Authorized by Dispatcher, SS-CAD, supplementary service, dispatcher authorization, stage 1 specification, mission-critical communications, public safety radio, ETSI standard, SIST EN 300 392-10-6.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.&$'Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary services stage 1; Sub-part 6: Call Authorized by Dispatcher (CAD)33.070.10Prizemni snopovni radio (TETRA)Terrestrial Trunked Radio (TETRA)ICS:Ta slovenski standard je istoveten z:EN 300 392-10-6 Version 1.3.1SIST EN 300 392-10-6 V1.3.1:2006en01-april-2006SIST EN 300 392-10-6 V1.3.1:2006SLOVENSKI
STANDARD
ETSI ETSI EN 300 392-10-6 V1.3.1 (2004-02) 2
Reference REN/TETRA-03120 Keywords radio, stage 1, supplementary service, TETRA, V+D ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: [phone]
Fax: [phone]
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 Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. 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 http://portal.etsi.org/tb/status/status.asp If you find errors in the present document, send your comment to: [e-mail] 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 2004. All rights reserved.
DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTM and the TIPHON logo are Trade Marks currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. SIST EN 300 392-10-6 V1.3.1:2006

ETSI ETSI EN 300 392-10-6 V1.3.1 (2004-02) 3
Contents Intellectual Property Rights.5 Foreword.5 Introduction.6 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 Supplementary Service Call Authorized by Dispatcher (SS-CAD) 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.9 4.2.1 Provision and withdrawal.9 4.2.1.1 Restricted basic service.10 4.2.1.2 Restricted destination address.10 4.2.1.3 Restricted source address.10 4.2.1.4 Restricted area.10 4.2.1.5 Verification and acceptance.11 4.2.2 Normal procedures.11 4.2.2.1 Activation, deactivation, definition, registration, interrogation, and cancellation.11 4.2.2.1.1 Activation and deactivation.11 4.2.2.1.2 Definition.11 4.2.2.1.3 Registration.11 4.2.2.1.4 Interrogation.11 4.2.2.2 Invocation and operation.11 4.2.2.2.1 Outgoing calls.11 4.2.2.2.2 Incoming calls.12 4.2.2.2.3 Restricted basic service.12 4.2.2.2.4 Restricted area.12 4.2.2.3 Cancellation.12 4.2.3 Exceptional procedures.12 4.2.3.1 Activation, deactivation, definition, registration, interrogation, and cancellation.12 4.2.3.1.1 Activation.12 4.2.3.1.2 Deactivation.13 4.2.3.1.3 Definition.13 4.2.3.1.4 Registration.13 4.2.3.1.5 Interrogation.13 4.2.3.2 Cancellation.13 4.2.3.3 Invocation and operation.14 4.3 Interactions with supplementary services.14 4.3.1 Calling Line Identification Presentation (SS-CLIP).14 4.3.2 Connected Line identification Presentation (SS-COLP).14 4.3.3 Calling/Connected Line Identification Restriction (SS-CLIR).14 4.3.4 Call Report (SS-CR).14 4.3.5 Talking Party Identification (SS-TPI).14 4.3.6 Call Forwarding Unconditional (SS-CFU).14 4.3.7 Call Forwarding on Busy (SS-CFB).14 4.3.8 Call Forwarding on No Reply (SS-CFNRy).14 4.3.9 Call Forwarding on Not Reachable (SS-CFNRc).14 4.3.10 List Search Call (SS-LSC).14 SIST EN 300 392-10-6 V1.3.1:2006

ETSI ETSI EN 300 392-10-6 V1.3.1 (2004-02) 4
4.3.11 Call Authorized by Dispatcher (SS-CAD).14 4.3.12 Short Number Addressing (SS-SNA).15 4.3.13 Area Selection (SS-AS).15 4.3.14 Access Priority (SS-AP).15 4.3.15 Priority Call (SS-PC).15 4.3.16 Call Waiting (SS-CW).15 4.3.17 Call Hold (SS-HOLD).15 4.3.18 Call Completion to Busy Subscriber (SS-CCBS).15 4.3.19 Late Entry (SS-LE).15 4.3.20 (Void).15 4.3.21 Pre-emptive Priority Call (SS-PPC).15 4.3.22 Include Call (SS-IC).15 4.3.23 (Void).16 4.3.24 Barring of Outgoing Calls (SS-BOC).16 4.3.25 Barring of Incoming Calls (SS-BIC).16 4.3.26 Discreet Listening (SS-DL).16 4.3.27 Ambience Listening (SS-AL).16 4.3.28 Dynamic Group Number Assignment (SS-DGNA).16 4.3.29 Call Completion on No Reply (SS-CCNR).16 4.3.30 Call Retention (SS-CRT).16 4.4 Interworking considerations.16 4.5 Overall SDL.16 Annex A (informative): Change Requests.19 History.20
ETSI ETSI EN 300 392-10-6 V1.3.1 (2004-02) 5
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 6 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"; EN 300 392-10-1: "Call Identification (CI)"; 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)"; EN 300 392-10-6: "Call Authorized by Dispatcher (CAD)"; ETS 300 392-10-7: "Short number addressing"; EN 300 392-10-8: "Area Selection (AS)"; ETS 300 392-10-9: "Access priority"; EN 300 392-10-10: "Priority Call (PC)"; EN 300 392-10-11: "Call Waiting (CW)"; EN 300 392-10-12: "Call Hold (HOLD)"; ETS 300 392-10-13: "Call completion to busy subscriber"; EN 300 392-10-14: "Late Entry (LE)"; SIST EN 300 392-10-6 V1.3.1:2006

ETSI ETSI EN 300 392-10-6 V1.3.1 (2004-02) 6
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: 6 February 2004 Date of latest announcement of this EN (doa): 31 May 2004 Date of latest publication of new National Standard or endorsement of this EN (dop/e):
30 November 2004 Date of withdrawal of any conflicting National Standard (dow): 30 November 2004
Introduction Supplementary services specifications are produced in three stages, according to the method described in ITU-T Recommendation I.210 [2]. The present document contains the stage 1 specification of SS-CAD. The stage 1 descriptions specify the supplementary services as seen by users of networks. The Call Authorized by Dispatcher service is specific to TETRA. SIST EN 300 392-10-6 V1.3.1:2006

ETSI ETSI EN 300 392-10-6 V1.3.1 (2004-02) 7
1 Scope The present document defines the stage 1 specifications of the Supplementary Service Call Authorized by Dispatcher (SS-CAD) for the Terrestrial Trunked Radio (TETRA) system. 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 interworking considerations. Charging principles are outside the scope of the present document. The SS-CAD ensures that predefined TETRA calls do not proceed without first being authorized by a dispatcher. 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:
...