Overview
SIST EN 300 364 V1.3.1:2005 is the Slovenian national adoption of the European standard EN 300 364, which specifies the inter-exchange signalling protocol for Private Integrated Services Networks (PISN). This protocol supports the Do Not Disturb (DND) and Do Not Disturb Override (DNDO) supplementary services for PISNs, closely aligning with ISO/IEC 14844 (2003). The standard lays out requirements for implementing DND and DNDO features in multi-site private telecommunications environments, enabling consistent service behaviour and interoperability.
This document is essential for manufacturers, system integrators, and providers involved in deploying complex telephony solutions using ISDN and Open Systems Interconnection (OSI) concepts within organizations.
Key Topics
- Private Integrated Services Network (PISN): Standardizes communications protocols for interconnected private telephone systems, facilitating seamless call handling across multiple network exchanges.
- Do Not Disturb (DND) Service: Defines mechanisms that allow users to block incoming calls, minimizing interruptions during defined periods or situations.
- Do Not Disturb Override (DNDO): Specifies procedures by which authorized users or systems can bypass the DND blocking, ensuring the delivery of urgent or critical calls.
- Inter-exchange Signalling (PSS1/ QSIG): Uses the PSS1 protocol, commonly known as QSIG, to support supplementary services in a consistent manner over ISDN-based PISNs.
- Service Interoperability: Ensures harmonized implementation across different vendor systems, enhancing reliability and communication efficiency in multi-vendor environments.
- Reference to ISO/IEC Standards: Endorses international frameworks and links closely with other related protocols to offer broad compatibility.
Applications
Implementing SIST EN 300 364 V1.3.1:2005 provides practical value in the following scenarios:
- Enterprise Multi-site Communication: Enables large organizations to effectively manage call flows, ensuring users can activate or override DND settings as needed across different office locations.
- Call Center Environments: Supports advanced call-handling policies, allowing priority calls for supervisors or emergency staff even when standard DND is active.
- Security and Emergency Protocols: Facilitates override functions, essential for delivering critical notifications or alerts during emergencies even if DND is enabled on recipient devices.
- System Integration: Assists telecommunication solution vendors and system integrators in designing PISN solutions that support supplementary services in a standardized way, ensuring smooth operation and interoperability.
- Compliance and Interoperability: Helps organizations achieve compliance with European and international best practices for digital telephony networks, thereby reducing long-term maintenance costs.
Related Standards
For comprehensive implementation and integration, consider the following key related standards:
- EN 300 363: Specification, functional model, and information flows for DND and DNDO supplementary services.
- EN 300 172: PISN inter-exchange signalling protocol for circuit-mode basic services.
- EN 300 171: Service description and functional capabilities for 64 kbit/s bearer services.
- EN 300 239: Generic functional protocol for supplementary services in PISNs.
- EN 300 366: Call completion supplementary services.
- EN 300 257: Call diversion supplementary service protocol.
- EN 300 362: Call offer supplementary service protocol.
- EN 300 426: Call intrusion supplementary service protocol.
By following SIST EN 300 364 V1.3.1:2005, organizations ensure standardised, efficient, and secure handling of “Do Not Disturb” features within modern digital private telephone networks, supporting robust enterprise communication strategies and interoperability across ISDN-based telecom infrastructures.