SIST EN 301 820 V1.2.1:2005 PDF

Overview

SIST EN 301 820 V1.2.1:2005 specifies the inter-exchange signalling protocol for Private Integrated Services Networks (PISN), focusing on the Common Information Additional Network Feature (ANF). Developed as part of the European Telecommunications Standards Institute (ETSI) telecommunications series and endorsed by the Slovenski inštitut za standardizacijo (SIST), this standard is based on the modified version of ISO/IEC 15772:2003. The protocol supports comprehensive interconnection and interoperability among private telephone networks, ensuring effective communication between network exchanges using established ISDN and Open Systems Interconnection (OSI) principles.

Key Topics

• Private Integrated Services Network (PISN): A private telecommunication system that integrates multiple services, such as voice and data, providing advanced networking within organizations.
• Inter-exchange Signalling Protocol: The rules and procedures for exchanging information between switches (exchanges) in a private network.
• Common Information ANF: An Additional Network Feature facilitating the exchange of common information between exchanges, improving communication and service delivery.
• QSIG Signalling: The protocol series PSS1, informally known as QSIG, on which this standard is based, enabling feature-rich and interoperable private network solutions.
• Endorsement of ISO/IEC 15772: The standard aligns with international best practices through the adoption and modification of the relevant ISO/IEC standard, ensuring broad compatibility and future-proofing private network deployments.

Applications

SIST EN 301 820 V1.2.1:2005 provides significant practical value for organizations and vendors designing, deploying, or maintaining private telecommunications networks:

• Interoperable Communications: Enables seamless information exchange between network exchanges, supporting unified voice and data services across multi-site organizations.
• Private Telephone Networks: Supports the implementation of feature-rich enterprise telephony solutions where secure, standardized, and reliable signalling is crucial.
• Service Providers and Vendors: Ensures product compatibility and conformance to international and European requirements, reducing integration risks across different equipment manufacturers.
• Telecommunications Infrastructure: Facilitates the inclusion of supplementary and additional network features, such as call handling and network management, vital for modern PISN operations.

By adhering to the standard, companies can future-proof their networks, promote vendor neutrality, and guarantee compliance with both European and global best practices.

Related Standards

SIST EN 301 820 V1.2.1:2005 references and interoperates with multiple related standards essential for comprehensive private network operation:

• EN 300 172: Circuit-mode basic services protocol for PISN [ISO/IEC 11572, modified]
• ETS 300 475-1: Reference configuration for Private Telecommunication Networks exchanges [ISO/IEC 11579-1, modified]
• EN 300 239: Functional protocol for supporting supplementary services [ISO/IEC 11582, modified]
• EN 300 257: Call diversion supplementary service protocol [ISO/IEC 13873, modified]
• EN 301 265: Call interception Additional Network Feature [ISO/IEC 15054, modified]
• EN 301 827: Wireless terminal call handling ANF [ISO/IEC 15431, modified]
• EN 301 819: Specification, functional models, and information flows for Common Information ANF [ISO/IEC 15771, modified]

These related standards collectively ensure that private networks can deliver advanced telecommunication features, maintain high interoperability, and adapt to evolving business and technical requirements.

Keywords: SIST EN 301 820, PISN, inter-exchange signalling protocol, private integrated services network, Common Information ANF, QSIG, ISO/IEC 15772, telecom standards, private telephone network, ETSI.