SIST EN 301 821 V1.2.1:2005

• Abstract:

  Endorsement of the last ISO version.

• Status: Published
• Publication Date: 30-Apr-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-May-2005
• Due Date: 01-May-2005
• Completion Date: 01-May-2005
• Ref Project: ETSI EN 301 821 V1.2.1 (2004-01) - Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Private User Mobility (PUM); Registration supplementary service [ISO/IEC 17876 (2003), modified]

Overview

SIST EN 301 821 V1.2.1:2005 is a Slovenian national standard that endorses the European Norm (EN) 301 821 Version 1.2.1. This standard, developed within the telecommunications sector, specifies the inter-exchange signalling protocol supporting the Private User Mobility (PUM) registration supplementary service in a Private Integrated Services Network (PISN). It aligns with and modifies the International Standard ISO/IEC 17876:2003 to suit European and Slovenian requirements.

The protocol defined in this standard is intended for use at the Q reference point and is an integral component of the PSS1 protocol, widely known under the informal term "QSIG." This protocol framework facilitates supplementary services within private telecommunication and enterprise networks, enabling advanced features such as user mobility and flexible communications.

Key Topics

• Private Integrated Services Network (PISN): Standard focuses on enterprise-grade communication networks supporting integrated voice and data services.
• Inter-exchange signalling protocol: Details mechanisms for signalling between exchanges, crucial for the operation of modern telecommunications systems.
• Private User Mobility (PUM): Core feature covered by the standard, enabling users to maintain their service profile while moving between different network locations.
• Registration supplementary service: Specifies how users can register or update their mobility credentials within the network.
• QSIG compatibility: Ensures interoperability through adherence to the PSS1 protocol, facilitating interconnection between multi-vendor PBXs in a standardized manner.
• Endorsement of ISO/IEC 17876 (2003): Adjusts the global standard to European and national contexts, integrating relevant ETSI norms and clarifying references.

Applications

SIST EN 301 821 V1.2.1:2005 is directly applicable to:

• Enterprise Communication Networks: Supports organizations in implementing integrated telephony solutions, enhancing internal mobility and flexibility for their workforce.
• PBX Interoperability: Assists in multi-site environments where different brands or models of Private Branch Exchanges (PBXs) must communicate using standardized signalling.
• User Profile Portability: Facilitates seamless transfer of service characteristics (like call forwarding or voice mail) as users move across networked offices or locations.
• Telecommunication Vendors: Provides a clear implementation reference, ensuring that equipment and software developed are compliant with recognized European and international standards.
• Network Administrators: Reference for configuring, managing, and troubleshooting supplementary registration services in a PISN context.

Related Standards

For a thorough understanding of the ecosystem in which SIST EN 301 821 V1.2.1:2005 operates, the following related standards are essential:

• EN 300 189: PISN addressing specifications
• ETS 300 475-1: Reference configuration for Private Telecommunication Networks
• EN 300 239: Generic functional protocol for supplementary services
• EN 301 824: Wireless terminal location registration supplementary service
• EN 301 825: Signalling protocol for wireless terminal supplementary services
• EN 301 255: Message waiting indication supplementary service
• EN 301 822: Detailed specification for PUM registration supplementary service

These interconnected standards collectively underpin the reliable, secure, and flexible operation of private integrated services networks, ensuring robust communication capabilities for modern enterprises.

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Keywords: PISN, Private User Mobility, PUM registration, QSIG, PBX, supplementary service, telecommunication standards, inter-exchange signalling, enterprise networks, ISO/IEC 17876, ETSI.

SLOVENSKI STANDARD
01-maj-2005
Zasebno omrežje z integriranimi storitvami (PISN) - Medcentralni signalizacijski
protokol - Mobilnost zasebnega uporabnika (PUM) - Dopolnilna storitev: prijava
[ISO/IEC 17876 (2000), spremenjen]
Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Private
User Mobility (PUM); Registration supplementary service [ISO/IEC 17876 (2003),
modified]
Ta slovenski standard je istoveten z: EN 301 821 Version 1.2.1
ICS:
33.040.35 Telefonska omrežja Telephone networks
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

European Standard (Telecommunications series)

Private Integrated Services Network (PISN);
Inter-exchange signalling protocol;
Private User Mobility (PUM);
Registration supplementary service
[ISO/IEC 17876 (2003), modified]

2 ETSI EN 301 821 V1.2.1 (2004-01)

Reference
REN/ECMA-00261
Keywords
endorsement, PISN, PUM, QSIG, registration,
stage 3, supplementary service
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Foreword
This European Standard (Telecommunications series) has been produced by ECMA on behalf of its members and those
of the European Telecommunications Standards Institute (ETSI).
The pre
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