SIST EN 301 048 V1.1.1:2005

• Abstract:

  This European Telecommunication Standard (ETS) endorses without change the International Standard specifying the signalling protocol for the support of the Additional Network Feature Transit Counter (ANF-TC), at the Q reference point between Private Integrated services Network eXchange (PINX) connected together within a Private Integrated Services Network (PISN). (PISN).

• Status: Published
• Publication Date: 28-Feb-2005
• ICS: 33.040.35 - Telephone networks
• Technical Committee: SPN - Services and Protocols for Networks
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Mar-2005
• Due Date: 01-Mar-2005
• Completion Date: 01-Mar-2005
• Mandate: IT-74
• Ref Project: ETSI EN 301 048 V1.1.1 (1997-09) - Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Transit counter additional network feature [ISO/IEC 15056 (1997) modified]

Overview

SIST EN 301 048 V1.1.1:2005 is a European standard focused on the signalling protocol between Private Integrated Services Network Exchanges (PINX) within a Private Integrated Services Network (PISN). Specifically, the standard addresses the implementation of the Transit Counter Additional Network Feature (ANF-TC), which enhances the management and control of call routing across multiple interconnected PINXs. Based on the modified ISO/IEC 15056 (1997), this standard is essential for organizations deploying advanced telecommunication solutions within private networks.

The document formalizes how the Q reference point interface, using the QSIG signalling protocol, supports the transit counter feature, enabling effective tracking and handling of call transits within large-scale or multi-site PISN deployments.

Key Topics

• Private Integrated Services Network (PISN): Provides the context for private telecommunication networks supporting integrated services, such as voice and data.
• QSIG Protocol at Q Reference Point: Defines the Q reference point and the QSIG protocol family (PSS1), ensuring interoperability and standardized signalling across network exchanges.
• Transit Counter Additional Network Feature (ANF-TC): Details the feature that counts the number of exchanges (PINXs) a call transits through, which is critical for loop prevention and policy enforcement in multi-exchange PISN environments.
• Protocol Alignment: Endorses the international ISO/IEC 15056 standard, with modifications to suit European requirements, ensuring compatibility and compliance across regions.
• Integration with ISDN and OSI Standards: Aligns with established ISDN concepts and the OSI model, ensuring robust and future-proof telecommunication architectures.

Applications

SIST EN 301 048 V1.1.1:2005 delivers practical value in several scenarios within private telecommunication infrastructures:

• Large Enterprise Networks: Supports complex voice and data networks across multiple locations by standardizing call routing and transit tracking.
• Interoperability: Guarantees seamless communication and feature compatibility between equipment from different vendors adopting the QSIG protocol.
• Network Security and Policy Enforcement: Enables monitoring and controlling of call path lengths, vital for enforcing corporate communication policies and preventing routing loops.
• Migration to Modern Systems: Facilitates staged migration or integration with legacy systems and services by maintaining protocol consistency.

This standard is highly relevant to organizations building Virtual Private Network (VPN) services, unified communication platforms, or any enterprise telephony setup requiring multi-exchange integration and route management.

Related Standards

For a comprehensive approach to PISN deployment and maintenance, the following standards are closely associated with SIST EN 301 048 V1.1.1:2005:

• prETS 300 171: Functional models and information flows for circuit-mode basic services.
• prETS 300 172: Inter-exchange signalling protocol for circuit-mode basic services.
• ETS 300 239: Generic functional protocol supporting supplementary services.
• ETS 300 257: Protocols for diversion supplementary services.
• ETS 300 259: Path replacement additional network feature protocol.
• ETS 300 261: Call transfer supplementary service protocol.
• ETS 300 366: Call completion supplementary services.
• ETS 300 387: Service specification methods for private telecommunication networks.
• ETS 300 475-1: Reference configuration for PISN exchanges.

These standards collectively define a robust framework for the design, implementation, and operation of advanced private integrated telecom networks, ensuring scalability, security, and compatibility across various telecommunications platforms.

Keywords: PISN, QSIG, ANF-TC, inter-exchange signalling, transit counter, private integrated services network, telecommunications standard, PINX, enterprise telephony, ISO/IEC 15056, SIST, ETSI.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Zasebno omrežje z integriranimi storitvami (PISN) - Medcentralni signalizacijski protokol - Dodatna omrežna lastnost: števec prehodov [ISO/IEC 15056 (1997), spremenjen]Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Transit counter additional network feature [ISO/IEC 15056 (1997) modified]33.040.35Telefonska omrežjaTelephone networksICS:Ta slovenski standard je istoveten z:EN 301 048 Version 1.1.1SIST EN 301 048 V1.1.1:2005en01-marec-2005SIST EN 301 048 V1.1.1:2005SLOVENSKI
STANDARD
European Telecommunications Standards Institute EN 301 048 V1.1.1 (1997-09)European Standard (Telecommunications series)Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Transit counter additional network feature[ISO/IEC 15056 (1997) modified]SIST EN 301 048 V1.1.1:2005

EN 301 048 V1.1.1 (1997-09)2ReferenceDEN/ECMA-00146 (9pc00ico.PDF)KeywordsPISN, QSIG, VPNETSI 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° 7803/88X.400c= fr; a=atlas; p=etsi; s=[e-mail]://www.etsi.frCopyright 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 1997.All rights reserved.SIST EN 301 048 V1.1.1:2005

EN 301 048 V1.1.1 (1997-09)3ForewordThis European Standard (Telecommunications series) was produced by ECMA on behalf of its members and those ofthe European Telecommunications Standards Institute (ETSI).The present document is one of a series of standards defining services and signalling protocols applicable to PrivateIntegrated Services Networks (PISN). The series uses the Integrated Services Digital Network (ISDN) concepts asdeveloped by ITU-T and conforms to the framework of standards for Open Systems Interconnection (OSI) as defined byISO/IEC.This particular EN specifies the Q interface Signalling protocol (QSIG) protocol for use at the Q reference point insupport of the Transit counter additional network feature. The QSIG protocol is known as "Private integrated SignallingSystem No. 1" (PSS1) in International Standards.The present document endorses an International Standard, ISO/IEC 15056.National transposition datesDate of adoption of this EN:5 September 1997Date of latest announcement of this EN (doa):31 December 1997Date of latest publication of new National Standardor endorsement of this EN (dop/e):30 June 1998Date of withdrawal of any con
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