SIST EN 301 029-4:2000

• Abstract:

  This EN will specify the look-ahead without state change for the network node interface.

• Status: Published
• Publication Date: 30-Nov-2000
• ICS: 33.080 - Integrated Services Digital Network (ISDN)
• Technical Committee: SPS - Signalling protocols and switching
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2000
• Due Date: 01-Dec-2000
• Completion Date: 01-Dec-2000
• Ref Project: ETSI EN 301 029-4 V1.2.1 (1998-04) - Broadband Integrated Services Digital Network (B-ISDN); Signalling System No.7; B-ISDN User Part (B-ISUP); Part 4: Look-ahead without state change for the network node interface [ITU-T Recommendation Q.2724.1 (1996)]

Overview

SIST EN 301 029-4:2000 specifies the "Look-ahead without state change" function for the network node interface (NNI) within the Broadband Integrated Services Digital Network (B-ISDN) Signalling System No. 7 (SS7), B-ISDN User Part (B-ISUP). Based on ITU-T Recommendation Q.2724.1 (1996), this European standard defines essential signalling procedures that allow nodes in a B-ISDN environment to perform look-ahead checks during call setup without requiring a change in the operational state of the involved network entities.

This functionality contributes to improved call handling and network resource management, supporting a more efficient and reliable telecommunications infrastructure. The standard is part of a multi-part suite governing the B-ISUP, which enables advanced, broadband digital services across integrated networks.

Key Topics

• B-ISDN Enhancement: Defines interactions between network nodes for look-ahead procedures without altering their state, minimizing unnecessary signaling and preserving resource efficiency.
• Network Node Interface (NNI): Focuses on the interface functions between B-ISDN exchanges, essential for seamless broadband connectivity.
• Signalling System No.7 (SS7) Compliance: Ensures compatibility with international protocols for telecommunication signaling.
• B-ISUP Integration: Clarifies how look-ahead procedures work with existing B-ISUP processes to ensure robust call control and service delivery.
• Interoperability: Facilitates consistent signaling behavior across different vendors’ equipment adhering to B-ISDN and SS7 architectures.

Applications

The application of SIST EN 301 029-4:2000 is fundamental for organizations and service providers deploying or maintaining broadband telecommunications infrastructures. Typical practical uses include:

• Call Setup Optimization: Checking called party status, user availability, or subscription options ahead of resource commitment, thus reducing failed setups and optimizing network usage.
• Seamless Interconnection: Standardizes inter-node signaling, supporting inter-carrier and cross-network communications in broadband ISDN environments.
• Resource Efficiency: Prevents unnecessary allocation of network resources by enabling informational look-ahead exchanges without modifying network state or session parameters.
• Network Management: Supports automation and intelligent routing by providing detailed signaling information required for sophisticated network node decisions.
• Migration and Interworking: Supports hybrid network operation, enabling legacy systems and next-generation nodes to interoperate using agreed standardized signaling.

Related Standards

SIST EN 301 029-4:2000 is part of a comprehensive set of standards for B-ISDN User Part (B-ISUP) signaling in broadband environments. Closely related standards include:

• SIST EN 301 029-1: Overview of B-ISDN NNI signaling capability set and general architectural principles.
• SIST EN 301 029-2: Specifications for point-to-multipoint call/connection control at the network node interface.
• SIST EN 301 029-3: Support for additional traffic parameters such as sustainable cell rate and quality of service.
• SIST EN 301 029-5: Negotiation support during connection setup.
• SIST EN 301 029-6: Modification procedures for existing calls or connections.
• ITU-T Rec. Q.2724.1 (1996): The corresponding international recommendation forming the basis of this European standard.

Conclusion

By adhering to SIST EN 301 029-4:2000, network operators, equipment vendors, and system integrators ensure robust, interoperable, and efficient signaling for broadband digital communications. This standard plays a crucial role in optimizing B-ISDN deployments and achieving reliable, futureproof network operations within the European and international telecommunications landscape.

Keywords: B-ISDN, Signalling System No.7, SS7, B-ISUP, look-ahead, network node interface, telecommunications standard, network resource management, NNI.

SLOVENSKI STANDARD
3SIST EN 301 029-4:
01-december-
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VWDQMD]DYPHVQLNRPUHåQHJDYR]OLãþDSULSRURþLOR,7874
Broadband Integrated Services Digital Network (B-ISDN); Signalling System No.7; B-
ISDN User Part (B-ISUP); Part 4: Look-ahead without state change for the network node
interface [ITU-T Recommendation Q.2724.1 (1996)]
Ta slovenski standard je istoveten z: EN 301 029-4 V1.2.1
ICS:
33.080 Digitalno omrežje z Integrated Services Digital
integriranimi storitvami Network (ISDN)
(ISDN)
3SIST EN 301 029-4: en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 301 029-4 V1.2.1 (1998-04)
European Standard (Telecommunications series)
Broadband Integrated Services Digital Network (B-ISDN);
Signalling System No.7;
B-ISDN User Part (B-ISUP);
Part 4: Look-ahead without state change for
the network node interface
[ITU-T Recommendation Q.2724.1 (1996)]
European Telecommunications Standards Institute

2 EN 301 029-4 V1.2.1 (1998-04)
Reference
DEN/SPS-01043-04 (9j100ioo.PDF)
Keywords
B-ISDN, SS7, B-ISUP, NNI
ETSI Secretariat
Postal address
F-06921 Sophia Antipolis Cedex - FRANCE
Office address
650 Route des Lucioles - Sophia Antipolis
Valbonne - 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
Internet
[e-mail]
http://www.etsi.fr
http://www.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 1998.
All rights reserved.
3 EN 301 029-4 V1.2.1 (1998-04)
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 ETR 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of
ETSI standards", which is available free of charge from the ETSI Secretariat. Latest updates are available on the ETSI
Web server (http://www.etsi.fr/ipr or http://www.etsi.org/ipr).
Pursuant to the ETSI Interim 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 ETR 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 Technical Committee Signalling
Protocols and Switching (SPS).
The present document is part 4 of a multi-part standard covering the Broadband Integrated Services Digital Networ
...

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Broadband Integrated Services Digital Network (B-ISDN); Signalling System No.7; B-ISDN User Part (B-ISUP); Part 4: Look-ahead without state change for the network node interface [ITU-T Recommendation Q.2724.1 (1996)]33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)ICS:Ta slovenski standard je istoveten z:EN 301 029-4 Version 1.2.1SIST EN 301 029-4:2000en01-december-2000SIST EN 301 029-4:2000SLOVENSKI
STANDARD
European Telecommunications Standards Institute EN 301 029-4 V1.2.1 (1998-04)European Standard (Telecommunications series)Broadband Integrated Services Digital Network (B-ISDN);Signalling System No.7;B-ISDN User Part (B-ISUP);Part 4: Look-ahead without state change forthe network node interface[ITU-T Recommendation Q.2724.1 (1996)]SIST EN 301 029-4:2000

EN 301 029-4 V1.2.1 (1998-04)2ReferenceDEN/SPS-01043-04 (9j100ioo.PDF)KeywordsB-ISDN, SS7, B-ISUP, NNIETSI SecretariatPostal addressF-06921 Sophia Antipolis Cedex - FRANCEOffice address650 Route des Lucioles - Sophia AntipolisValbonne - FRANCETel.: [phone]
Fax: [phone]Siret N° 348 623 562 00017 - NAF 742 CAssociation à but non lucratif enregistrée à laSous-Préfecture de Grasse (06) N° 7803/[e-mail]://www.etsi.frhttp://www.etsi.orgCopyright NotificationNo 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 1998.All rights reserved.SIST EN 301 029-4:2000

EN 301 029-4 V1.2.1 (1998-04)3Intellectual Property RightsIPRs essential or potentially essential to the present document may have been declared to ETSI. The informationpertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be foundin ETR 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect ofETSI standards", which is available free of charge from the ETSI Secretariat. Latest updates are available on the ETSIWeb server (http://www.etsi.fr/ipr or http://www.etsi.org/ipr).Pursuant to the ETSI Interim IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. Noguarantee can be given as to the existence of other IPRs not referenced in ETR 314 (or the updates on the ETSI Webserver) which are, or may be, or may become, essential to the present document.ForewordThis European Standard (Telecommunications series) has been produced by ETSI Technical Committee SignallingProtocols and Switching (SPS).The present document is part 4 of a multi-part standard covering the Broadband Integrated Services Digital Network(B-ISDN) User Part (B-ISUP) signalling capability set 2, step 1, as identified below:Part 1:"Overview of the B-ISDN network node interface signalling capab
...