SIST EN 300 356-22 V1.1.1:2003
(Main)Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 22: International Emergency Preference Scheme (IEPS) service [ITU-T Amendments (2002) to Q.761 - Q.764 (1999) modified]
General Information
- Abstract
This document defines an enhancement of the ISUP protocol, the latter contained in ETS 300 356. The objective is to allow a prioritized call setup in case of an emergency situation, facilitating the organization of relief action. It focuses on marking the calls of emergency relief personnel in the international signalling network. Thus, the document provides a solution for supporting IEPS according to E.106 on the international connection section. Cooperation with SPAN 14 takes place , where appropriate. Work in ITU-T SG 11 will be observed.
- Status
- Published
- Publication Date
- 30-Nov-2003
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Dec-2003
- Due Date
- 01-Dec-2003
- Completion Date
- 01-Dec-2003
Overview
SIST EN 300 356-22 V1.1.1:2003 specifies an enhancement to the ISDN (Integrated Services Digital Network) signalling protocol, particularly ISUP (ISDN User Part) version 4 within the international interface as defined in the Signalling System No.7 (SS7). The focus of this part is the implementation of the International Emergency Preference Scheme (IEPS) service, based on ITU-T recommendations and amendments. IEPS enables prioritized call setup and handling in international telecommunications networks during emergency situations, facilitating efficient coordination of emergency response and relief efforts. This standard is critical for ensuring that calls made by emergency relief organizations and personnel receive preferential treatment during international call and connection establishment.
Key Topics
- IEPS Call Prioritization: The standard details how emergency-related calls are marked and handled with higher priority in the signalling process, utilizing the Call Priority Code (CPC) for IEPS.
- Signalling Protocol Enhancements: Specifies protocol and switching aspects to support IEPS for pan-European ISDN networks, utilizing SS7/ISUP at the international level.
- Call Queuing and Routing: In case of unavailable circuits, emergency calls are placed at the top of the call handling queue, ensuring they are connected ahead of standard calls.
- Network Management Controls: Restrictive controls such as automatic call gapping or congestion management are not applied to IEPS-marked calls to avoid delays.
- Interworking and Compatibility: The standard addresses international gateway behavior to support both national and international implementations of IEPS, ensuring seamless operation across different network segments.
- Notifications and User Feedback: Specifies the use of early Address Complete Message (ACM) with notification parameters to keep callers informed during queuing or delays in call setup.
Applications
The main application of SIST EN 300 356-22 V1.1.1:2003 is in international telecommunications infrastructure where robust and prioritized emergency communications are required, such as:
- Emergency Response Coordination: Enables effective communication for relief agencies, government organizations, and emergency service providers across borders.
- Public Safety Networks: Integrates with police, fire, and medical services to ensure their calls always receive precedence during disaster scenarios or mass call events.
- Telecommunication Service Providers: Operators can implement this standard to comply with regulatory requirements for preferential calls, ensuring network readiness for emergencies.
- International Roaming and Gateways: Supports the seamless transfer of priority call information between national and international segments, essential for global relief operations.
Related Standards
The IEPS implementation in this standard directly references and aligns with:
- ITU-T Recommendation E.106: "Description of an international emergency preference scheme (IEPS)" - foundation for IEPS concepts.
- ETSI ETS 300 121: Application of ISDN User Part for international ISDN interconnections.
- ETSI EN 300 356-1: ISDN User Part (ISUP) version 4 for basic services.
- ITU-T Recommendations Q.761 - Q.764: Underpin foundational methods for ISUP and are specifically amended and enhanced in this part.
- Other Parts of EN 300 356 Series: Cover additional ISUP-based services and supplementary functions relevant to ISDN and SS7 networks.
SIST EN 300 356-22 V1.1.1:2003 strengthens the reliability and availability of emergency communications by ensuring preferential treatment at the protocol level within international ISDN/SS7 networks, supporting the global mandate for resilient, standardized emergency telecommunications.
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Frequently Asked Questions
SIST EN 300 356-22 V1.1.1:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 22: International Emergency Preference Scheme (IEPS) service [ITU-T Amendments (2002) to Q.761 - Q.764 (1999) modified]". This standard covers: This document defines an enhancement of the ISUP protocol, the latter contained in ETS 300 356. The objective is to allow a prioritized call setup in case of an emergency situation, facilitating the organization of relief action. It focuses on marking the calls of emergency relief personnel in the international signalling network. Thus, the document provides a solution for supporting IEPS according to E.106 on the international connection section. Cooperation with SPAN 14 takes place , where appropriate. Work in ITU-T SG 11 will be observed.
This document defines an enhancement of the ISUP protocol, the latter contained in ETS 300 356. The objective is to allow a prioritized call setup in case of an emergency situation, facilitating the organization of relief action. It focuses on marking the calls of emergency relief personnel in the international signalling network. Thus, the document provides a solution for supporting IEPS according to E.106 on the international connection section. Cooperation with SPAN 14 takes place , where appropriate. Work in ITU-T SG 11 will be observed.
SIST EN 300 356-22 V1.1.1:2003 is classified under the following ICS (International Classification for Standards) categories: 33.080 - Integrated Services Digital Network (ISDN). The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 300 356-22 V1.1.1:2003 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 22: International Emergency Preference Scheme (IEPS) service [ITU-T Amendments (2002) to Q.761 - Q.764 (1999) modified]33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)ICS:Ta slovenski standard je istoveten z:EN 300 356-22 Version 1.1.1SIST EN 300 356-22 V1.1.1:2003en01-december-2003SIST EN 300 356-22 V1.1.1:2003SLOVENSKI
STANDARD
Final draft ETSI EN 300 356-22 V1.1.1 (2003-02)European Standard (Telecommunications series) Integrated Services Digital Network (ISDN);Signalling System No.7 (SS7);ISDN User Part (ISUP) version 4 for the international interface;Part 22: International EmergencyPreference Scheme (IEPS) service[ITU-T Amendments (2002) to Q.761 - Q.764 (1999) modified]
ETSI Final draft ETSI EN 300 356-22 V1.1.1 (2003-02) 2
Reference DEN/SPAN-130304 Keywords emergency, endorsement, ISDN, ISUP, service, SS7 ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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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: editor@etsi.org 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 2003. 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 300 356-22 V1.1.1:2003
ETSI Final draft ETSI EN 300 356-22 V1.1.1 (2003-02) 3
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). All published ETSI deliverables shall include information which directs the reader to the above source of information. Foreword This European Standard (Telecommunications series) has been produced by ETSI Technical Committee Services and Protocols for Advanced Networks (SPAN), and is now submitted for the ETSI standards One-step Approval Procedure. The present document is part 22 of a multi-part deliverable covering the ISDN User Part (ISUP) version 4 for the international interface, as identified below: Part 1: "Basic services [ITU-T Recommendations Q.761 to Q.764 (1999) modified]"; Part 2: "ISDN supplementary service [ITU-T Recommendation Q.730 (1999) modified]"; Part 3: "Calling Line Identification Presentation (CLIP) supplementary service [ITU-T Recommendation Q.731, clause 3 (1993) modified]"; Part 4: "Calling Line Identification Restriction (CLIR) supplementary service [ITU-T Recommendation Q.731, clause 4 (1993) modified]"; Part 5: "Connected Line Identification Presentation (COLP) supplementary service [ITU-T Recommendation Q.731, clause 5 (1993) modified]"; Part 6: "Connected Line Identification Restriction (COLR) supplementary service [ITU-T Recommendation Q.731, clause 6 (1993) modified]"; Part 7: "Terminal Portability (TP) supplementary service [ITU-T Recommendation Q.733, clause 4 (1993) modified]"; Part 8: "User-to-User Signalling (UUS) supplementary service [ITU-T Recommendation Q.737, clause 1 (1997) modified]"; Part 9: "Closed User Group (CUG) supplementary service [ITU-T Recommendation Q.735, clause 1 (1993) modified]"; Part 10: "Subaddressing (SUB) supplementary service [ITU-T Recommendation Q.731, clause 8 (1992) modified]"; Part 11: "Malicious Call Identification (MCID) supplementary service [ITU-T Recommendation Q.731, clause 7 (1997) modified]"; Part 12: "Conference call, add-on (CONF) supplementary service [ITU-T Recommendation Q.734, clause 1 (1993) and implementors guide (1998) modified]"; Part 14: "Explicit Call Transfer (ECT) supplementary service [ITU-T Recommendation Q.732, clause 7 (1996) and implementors guide (1998) modified]"; Part 15: "Diversion supplementary service [ITU-T Recommendation Q.732, clauses 2 to 5 (1999) modified]"; Part 16: "Call Hold (HOLD) supplementary service [ITU-T Recommendation Q.733, clause 2 (1993) modified]"; Part 17: "Call Waiting (CW) supplementary service [ITU-T Recommendation Q.733, clause 1 (1992) modified]"; SIST EN 300 356-22 V1.1.1:2003
ETSI Final draft ETSI EN 300 356-22 V1.1.1 (2003-02) 4
Part 18: "Completion of Calls to Busy Subscriber (CCBS) supplementary service [ITU-T Recommendation Q.733, clause 3 (1997) modified]"; Part 19: "Three-Party (3PTY) supplementary service [ITU-T Recommendation Q.734, clause 2 (1996) and implementors guide (1998) modified]"; Part 20: "Completion of Calls on No Reply (CCNR) supplementary service [ITU-T recommendation Q.733, clause 5 (1999) modified]"; Part 21: "Anonymous Call Rejection (ACR) supplementary service [ITU-T Recommendation Q.731, clause 4 (1993)]"; Part 22: "International Emergency Preference Scheme (IEPS) service [ITU-T Amendments (2002) to
Q.761 - Q.764 (1999) modified]"; Part 31: "Protocol Implementation Conformance Statement (PICS) proforma specification for basic services"; Part 32: "Test Suite Structure and Test Purposes (TSS&TP) specification for basic services"; Part 33: "Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for basic services"; Part 34: "Protocol Implementation Conformance Statement (PICS) proforma specification for supplementary services"; Part 35: "Test Suite Structure and Test Purposes (TSS&TP) specification for supplementary services"; Part 36: "Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for supplementary services". The present document details the stage three aspects (signalling system protocols and switching functions) needed to support the International Emergency Preference Scheme (IEPS) service. The stage 1 aspects are detailed in ITU-T Recommendation E.106 [1].
Proposed national transposition dates Date of latest announcement of this EN (doa): 3 months after ETSI publication Date of latest publication of new National Standard or endorsement of this EN (dop/e):
6 months after doa Date of withdrawal of any conflicting National Standard (dow): 6 months after doa
Endorsement notice The elements of ITU-T Amendment 2 to Q.761, Amendment 1 to Q.762, Amendment 2 to 763 and Amendment 2 to Q.764 apply with the following modifications. SIST EN 300 356-22 V1.1.1:2003
ETSI Final draft ETSI EN 300 356-22 V1.1.1 (2003-02) 5
Global modifications to ITU-T Amendments to Q.761 - Q.764 Insert the following two clauses (Scope and References). Scope The present document specifies the signalling protocol and switching aspects of the International Emergency Preference Scheme (IEPS) service for the pan-European Integrated Services Digital Network (ISDN) as provided by the European public telecommunications operators by means of the Signalling System No.7 protocol for the ISDN User Part (ISUP). The present document does not specify the additional protocol requirements where the service is provided to the user via a telecommunications network that is not an ISDN. The present document does not specify the additional protocol requirements for the national signalling interface. NOTE 1: If the implementation of a signalling system in a national network conflicts with measures described here the international gateway of the network is expected to provide the interworking between the two. Although the present document applies only to the international interconnection, the specification of functions, formats and codes of messages and signals, and actions performed at originating and destination local exchanges are retained. Formats, codes and procedures marked for national use are included for informative purposes for the international interface specification. If these items so marked are supported within a national network and operator's network, then it is proposed that they shall be supported in this manner. NOTE 2: In the case where a national signalling system behaves differently, the international gateway exchange is to support both the concerned national and international network. The IEPS service provides the calling party with preferential treatment during call and connection setup. The IEPS service is applicable to all international circuit switched telecommunication services. 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 E.106 (2000) "Description of an international emergency preference scheme (IEPS)" [2] ETSI ETS 300 121 (Edition 1): "Integrated Services Digital Network (ISDN); Application of the ISDN User Part (ISUP) of CCITT Signalling System No.7 for international ISDN interconnections (ISUP version 1)". [3] ETSI EN 300 356-1: "Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 1: Basic services [ITU-T Recommendations Q.761 to Q.764 (1999) modified]". SIST EN 300 356-22 V1.1.1:2003
ETSI Final draft ETSI EN 300 356-22 V1.1.1 (2003-02) 6
Specific modifications to ITU-T Amendments to Q.761 - Q.764 (12/99) Amendment 2 to ITU-T Recommendation Q.761 is endorsed without any modifications. Amendment 1 to ITU-T Recommendation Q.762 is endorsed without any modifications. Amendment 2 to ITU-T Recommendation Q.763 is endorsed without any modifications. Amendment 2 to ITU-T Recommendation Q.764 is endorsed with the following modifications. In all chapters on Actions required at an outgoing, intermediate or incoming international exchange • in the first sentence the phrase "call establishment proceeds with priority" is improved to read "call and connection establishment proceeds with priority"; • in the second paragraph the phrase "the call is queued and shall take precedence over any other normal call attempts" is replaced by "then the call is placed at the top of the call handling queue in the exchange. The priority calls queued shall take priority over any other call handling for the next free trunk from that exchange. For that purpose the exchange continually tries to find a suitable outgoing trunk until call establishment is discontinued. The calls in the queue are handled in the order of "first come, first served". The size of the queue is configurable according to traffic management"; • in the first sentence of the third paragraph the first word "Optionally" is deleted and the words "may be" are replaced by the word "is"; • the first sentence of the third paragraph is continued with the words "indicating that the call request has been put into a waiting queue for priority call setup"; • after the first sent
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