SIST EN 300 356-9 V4.1.2:2004
(Main)Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 9: Closed User Group (CUG) supplementary service [ITU-T Recommendation Q.735, clause 1 (1993) modified]
General Information
- Abstract
To create ETSI endorsement documents to ITU ISUP 2000.
- Status
- Published
- Publication Date
- 31-Mar-2004
- Technical Committee
- SPN - Services and Protocols for Networks
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Apr-2004
- Due Date
- 01-Apr-2004
- Completion Date
- 01-Apr-2004
Overview
SIST EN 300 356-9 V4.1.2:2004 defines the requirements for the Closed User Group (CUG) supplementary service within the Integrated Services Digital Network (ISDN) international interface. This standard is part of a broader European Telecommunication Standards Institute (ETSI) series, aligning with ITU-T Recommendation Q.735 (clause 1, 1993), and focuses on stage three aspects, which detail the signalling protocols and switching functions necessary for supporting CUG over ISDN User Part (ISUP) version 4 using Signalling System No.7 (SS7).
The CUG supplementary service enables certain users to form restricted communication groups over ISDN, enhancing security, privacy, and operational efficiency for organizations leveraging telecommunication networks. The standard is endorsed by SIST (Slovenian Institute for Standardization) and is identical to EN 300 356-9 V4.1.2.
Key Topics
- Integrated Services Digital Network (ISDN): A global standard for digital transmission of voice, video, data, and other network services over traditional telephone networks.
- Signalling System No.7 (SS7): A set of telephony signaling protocols that enable the exchange of information for call setup, routing, and control.
- ISDN User Part (ISUP) version 4: Defines the protocol for ISUP messages to support international interconnection.
- Closed User Group (CUG) Supplementary Service: Allows networks to restrict incoming and outgoing communication to predefined groups of users, supporting multiple CUG memberships and access control.
- International Interface: The standard specifies requirements for interconnection between national ISDN networks, ensuring compatibility and interoperability for CUG services.
Applications
SIST EN 300 356-9 V4.1.2:2004 is vital for:
- Telecommunication Operators: Enabling CUG services to large organizations, enterprises, and governmental agencies that require dedicated, private communication environments within ISDN infrastructure.
- International Communication: Standardizing the protocols for CUG across national boundaries, which enables seamless and secure business processes among multinational organizations.
- Regulatory Compliance: Ensuring ISDN implementations meet pan-European and international interoperability requirements for supplementary services.
- Network Equipment Vendors & Integrators: Guiding the development and deployment of SS7 and ISUP v4 compatible switches, signalling gateways, and network management systems supporting CUG features.
The CUG function is particularly beneficial where security, operational control, and exclusivity are essential, such as in finance, utilities, emergency services, or any scenario requiring private user groups.
Related Standards
For comprehensive ISDN deployment and supplementary service implementation, the following standards are directly relevant:
- EN 300 356-1: ISUP version 4 basic services for the international interface
- ETS 300 136: CUG supplementary service - Service description
- ETS 300 137: CUG supplementary service - Functional capabilities and information flows
- EN 300 138-1: CUG supplementary service protocol specification (DSS1 protocol)
- EN 300 356-2: ISDN supplementary services general requirements
- EN 300 403-1: Digital Subscriber Signalling System No. one (DSS1); Signalling network layer for call control (protocol specification)
- ITU-T Recommendation Q.735: Baseline for CUG service requirements
Cross-referencing these standards promotes a robust, interoperable, and reliable ISDN infrastructure capable of supporting advanced telecommunication services like Closed User Groups on an international scale.
Key Terms: ISDN, SS7, ISUP, Closed User Group, CUG supplementary service, international interface, ETSI standards, ITU-T Recommendation Q.735, telecommunication protocols, network interoperability.
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Frequently Asked Questions
SIST EN 300 356-9 V4.1.2:2004 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 9: Closed User Group (CUG) supplementary service [ITU-T Recommendation Q.735, clause 1 (1993) modified]". This standard covers: To create ETSI endorsement documents to ITU ISUP 2000.
To create ETSI endorsement documents to ITU ISUP 2000.
SIST EN 300 356-9 V4.1.2:2004 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 300 356-9 V4.1.2:2004 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)
SLOVENSKI STANDARD
01-april-2004
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ýHWUWDUD]OLþLFD,6'1XSRUDEQLãNHJDGHOD ,683 ]DPHGQDURGQLYPHVQLN GHO
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Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User
Part (ISUP) version 4 for the international interface; Part 9: Closed User Group (CUG)
supplementary service [ITU-T Recommendation Q.735, clause 1 (1993) modified]
Ta slovenski standard je istoveten z: EN 300 356-9 Version 4.1.2
ICS:
33.080 Digitalno omrežje z Integrated Services Digital
integriranimi storitvami Network (ISDN)
(ISDN)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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 9: Closed User Group (CUG) supplementary service
[ITU-T Recommendation Q.735, clause 1 (1993) modified]
2 ETSI EN 300 356-9 V4.1.2 (2001-07)
Reference
REN/SPAN-01082-09
Keywords
ISDN, ISUP, SS7, supplementary service, CUG,
endorsement
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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 2001.
All rights reserved.
ETSI
3 ETSI EN 300 356-9 V4.1.2 (2001-07)
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Foreword
This European Standard (Telecommunications series) has been produced by ETSI Technical Committee Services and
Protocols for Advanced Networks (SPAN).
The present document is part 9 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]";
ETSI
4 ETSI EN 300 356-9 V4.1.2 (2001-07)
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 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
...