SIST EN 300 366 V1.3.1:2005

• Abstract:

  Endorsement of the last ISO version.

• 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
• Ref Project: ETSI EN 300 366 V1.3.1 (2004-01) - Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call completion supplementary services [ISO/IEC 13870 (2003), modified]

SIST EN 300 366 V1.3.1:2005 is the Slovenian adoption of ETSI EN 300 366 V1.3.1, a European Telecommunications Standard for Private Integrated Services Network (PISN) inter-exchange signalling. It specifies the protocol at the Q reference point for call completion supplementary services, covering Call Completion to Busy Subscriber (SS-CCBS) and Call Completion on No Reply (SS-CCNR). Engineers, network vendors, and interoperability testers use it when implementing or checking QSIG-based private network signalling.

What does SIST EN 300 366 V1.3.1:2005 specify?

SIST EN 300 366 V1.3.1:2005 endorses ISO/IEC 13870 (2003) with ETSI modifications. It belongs to the PISN standards series and is framed by Integrated Services Digital Network (ISDN) concepts and the Open Systems Interconnection (OSI) structure.

The document is organized around a foreword, an endorsement notice, clause 3 on normative references, and reference-replacement instructions that apply throughout the text. A history section also records the publication path of the ETSI version.

Part of the document	What it covers
Foreword	PISN context, ISDN concepts, OSI framework, and the call completion services
Clause 3	Treatment of references and added normative references
Reference replacements	Mapping from ISO/IEC references to ETSI and SIST references
History	Earlier editions and publication milestones

What are the key requirements of SIST EN 300 366 V1.3.1:2005?

SIST EN 300 366 V1.3.1:2005 specifies the signalling protocol used at the Q reference point to support SS-CCBS and SS-CCNR. In practice, this is the inter-exchange signalling that lets a private network complete a call later when the called user is busy or does not answer.

Protocol scope and network context

SIST EN 300 366 V1.3.1:2005 states that the protocol forms part of the PSS1 protocol, informally known as QSIG. That matters because implementers need to fit call completion into the wider private network signalling model, not treat it as a stand-alone feature.

The foreword also places the standard within PISN, using ISDN concepts and the OSI framework. For readers, that means the document belongs to private telephony signalling and uses the architectural language common to telecom interoperability work.

Normative reference handling

Clause 3 replaces the opening paragraph on references and explains how specific and non-specific references are read. In practice, this tells users whether later revisions of a cited standard are allowed.

Clause 3 also adds normative references [13] to [19]. These are the companion documents needed to understand addressing, bearer services, PTNX reference configuration, generic supplementary-service support, the call completion functional model, and call diversion.

Reference alignment across the text

The document replaces several ISO/IEC references throughout the text with ETSI equivalents. This is important for implementation and conformance work because it ties the call completion protocol to the ETSI documents named in the endorsement notice.

The wording "this International Standard" is also replaced by "the present document." That is an editorial alignment, but it affects how the standard is cited and read in the ETSI context.

What terms does SIST EN 300 366 V1.3.1:2005 define?

• Private Integrated Services Network (PISN) - A private network environment for integrated telephony services between exchanges.
• Inter-exchange signalling protocol - The signalling used between exchanges to set up, manage, and complete services.
• Call Completion to Busy Subscriber (SS-CCBS) - A supplementary service that completes a call when the called subscriber is busy.
• Call Completion on No Reply (SS-CCNR) - A supplementary service that completes a call when the called party does not answer.
• Q reference point - The interface point where the signalling defined in this document is applied.
• PSS1 - The protocol family of which this document forms part.
• QSIG - The informal name used for PSS1 in this context.

Who uses SIST EN 300 366 V1.3.1:2005?

SIST EN 300 366 V1.3.1:2005 is used by PBX and PISN equipment designers, telecom signalling engineers, and interoperability test laboratories. Quality managers and buyers use it when they need to confirm that a private network supports SS-CCBS and SS-CCNR in a QSIG environment.

What changed in SIST EN 300 366 V1.3.1:2005 from the previous edition?

SIST EN 300 366 V1.3.1:2005 applies ISO/IEC 13870 (2003) with ETSI modifications. The changes stated in the document are the replacement of the first paragraph of clause 3, the addition of normative references [13] to [19], the replacement of several ISO/IEC references throughout the text, and the wording change from "this International Standard" to "the present document."

Which standards are used with SIST EN 300 366 V1.3.1:2005?

Referenced standard	What it contributes
ETSI EN 300 189	Addressing for PISN
ETSI EN 300 172	Inter-exchange signalling protocol for circuit-mode basic services
ETSI EN 300 171	Service description, functional capabilities and information flows for circuit-mode 64 kbit/s bearer services
ETSI ETS 300 475-1	Reference configuration for PTNXs
ETSI EN 300 239	Generic functional protocol for supporting supplementary services
ETSI EN 300 365	Functional model and information flows for call completion supplementary services
ETSI EN 300 257	Inter-exchange signalling protocol for call diversion

What does the SIST EN 300 366 V1.3.1:2005 document contain?

SIST EN 300 366 V1.3.1:2005 contains the endorsed text of ISO/IEC 13870 (2003) together with ETSI modifications and replacement rules for references. It also includes the protocol context for SS-CCBS and SS-CCNR, the clause 3 reference framework, and the reference mapping table that aligns ISO/IEC citations with ETSI documents. For implementation work, that means the document is used as a protocol reference and as a cross-reference guide to the companion PISN standards.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.VLJQDOL]DFLMVNLVSUHPHQMHQ@Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call completion supplementary services [ISO/IEC 13870 (2003), modified]33.040.35Telefonska omrežjaTelephone networksICS:Ta slovenski standard je istoveten z:EN 300 366 Version 1.3.1SIST EN 300 366 V1.3.1:2005en01-marec-2005SIST EN 300 366 V1.3.1:2005SLOVENSKI
STANDARD
ETSI ETSI EN 300 366 V1.3.1 (2004-01) 2
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