SIST EN 300 359-2 V1.2.4:2005

• Abstract:

  Update references from ETS 300 102-1 and associated I-ETSs to ETS 300 403.

• Status: Published
• Publication Date: 31-Mar-2005
• ICS: 33.080 - Integrated Services Digital Network (ISDN)
• Technical Committee: SPN - Services and Protocols for Networks
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Apr-2005
• Due Date: 01-Apr-2005
• Completion Date: 01-Apr-2005
• Ref Project: ETSI EN 300 359-2 V1.2.4 (1998-06) - Integrated Services Digital Network (ISDN); Completion of Calls to Busy Subscriber (CCBS) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification

SIST EN 300 359-2 V1.2.4:2005 is the Slovenian standard identical to EN 300 359-2 Version 1.2.4, published by SIST. It is a Protocol Implementation Conformance Statement (PICS) proforma specification for the Integrated Services Digital Network (ISDN) Completion of Calls to Busy Subscriber (CCBS) supplementary service over the Digital Subscriber Signalling System No. one (DSS1) protocol, and it tells suppliers and test teams what to declare for user and network implementations.

What does SIST EN 300 359-2 V1.2.4:2005 specify?

SIST EN 300 359-2 V1.2.4:2005 specifies the PICS proforma for the stage three description of the CCBS supplementary service in pan-European ISDN. It is used at the T reference point, or at coincident S and T reference points, and it follows the conformance guidance of ISO/IEC 9646-7.

The document is organized into five clauses and three annexes:

Annex	What it covers
Annex A	Normative PICS proforma, including instructions, identification fields, conformance statement, roles, user items, and network items
Annex B	Normative requirements list that ties CCBS items to the basic call, generic functional protocol, and supplementary service interactions PICS proformas
Annex C	Informative summary of changes compared with the previous ETS 300 359-2

Clause 1 gives the scope, Clause 2 lists normative references, Clause 3 defines key terms, Clause 4 lists abbreviations, and Clause 5 sets the conformance rule for the PICS proforma.

What are the key requirements of SIST EN 300 359-2 V1.2.4:2005?

SIST EN 300 359-2 V1.2.4:2005 is mainly a completion and conformance document. The practical requirement is to complete the annex A questionnaire in a way that matches the implementation under test and preserves the structure of the proforma.

Conformance and completion

Clause 5 requires any conforming PICS proforma to be technically equivalent to annex A and to keep the same numbering and order of items. In practice, this means a supplier cannot reorder or rewrite the questionnaire in a way that changes the way conformance is checked.

Annex A.1 also requires the PICS to identify the implementation under test (IUT), the system under test (SUT), the supplier, the client, and a contact person. This matters because conformance review depends on knowing exactly what product, version, and configuration is being claimed.

Global statement and role selection

Annex A.5 asks whether the implementation meets all mandatory requirements of EN 300 359-1. If the answer is “No”, the unsupported mandatory capabilities must be identified and explained, so the result is an explicit non-conformance statement rather than an incomplete form.

Annex A.6 separates the implementation into roles. The PICS must show whether the implementation supports CCBS as a user-side or network-side implementation, and whether it covers called or calling user behavior, coincident S and T reference point behavior, or private ISDN interworking at the T reference point. This is important because the rest of the questionnaire changes with the role.

User-side capability declarations

Annex A.7 lists the user-side capabilities that may be relevant. The main items are CCBS recall to compatible terminals, CCBS recall to terminals that have activated CCBS, call information retention, and the CCBS request retention option. For a reader, this is the part that shows which user-side functions must be declared as supported or not supported before testing starts.

The user section also lists protocol data unit components, parameters, and timer-related items tied to the CCBS procedures. In practice, this tells a tester which CCBS messages, results, and errors the implementation can send or receive.

Network-side capability declarations

Annex A.8 mirrors the user side for network implementations. It covers call information retention, CCBS request retention, CCBS recall behavior, and the check for identical calls option.

The network tables also identify the CCBS timers T-CCBS1 to T-CCBS7 and T-RETENTION. These timers matter because they define waiting and retention behavior during call completion and information retention procedures.

Links to related PICS proformas

Annex B is a requirements list that links this PICS to other proformas. It pulls in items from EN 300 403-3, EN 300 196-2, and EN 300 195-2, so a CCBS implementation also has to answer the related basic call, generic functional protocol, and supplementary service interaction questions where required.

That linkage matters in practice because CCBS does not stand alone. A supplier completing this PICS may also need to complete the base PICS forms for the underlying call control and supplementary service framework.

What terms does SIST EN 300 359-2 V1.2.4:2005 define?

• Protocol Implementation Conformance Statement (PICS) - A statement from the supplier showing which capabilities of a protocol implementation are supported.
• PICS proforma - The questionnaire form that is completed to create a PICS.
• Implementation Under Test (IUT) - The specific implementation being assessed for conformance.
• System Under Test (SUT) - The wider system that contains the IUT and is identified in the conformance record.
• System Conformance Statement (SCS) - A document that summarizes which standards a system implements and claims conformance to.
• static conformance review - A check that compares the completed PICS with the conformance requirements in the standard.
• CCBS - Completion of Calls to Busy Subscriber, the supplementary service covered by the standard.
• DSS1 - Digital Subscriber Signalling System No. one, the signalling protocol used for the service.

Who uses SIST EN 300 359-2 V1.2.4:2005?

SIST EN 300 359-2 V1.2.4:2005 is used by equipment suppliers, protocol implementers, and telecom operators that need to declare or check CCBS support. It is also used by conformance test laboratories and quality teams that review whether an implementation matches the protocol specification.

The document is relevant to both user-side and network-side ISDN implementations, including private network implementations where the user-side annex applies. In practice, these users complete the PICS, use it to select tests, and record which CCBS options, message components, and timers are implemented.

What changed in SIST EN 300 359-2 V1.2.4:2005 from the previous edition?

Compared with the previous ETS 300 359-2, this version makes these changes:

• conversion to EN layout;
• replacement of references to ETS 300 102 with EN 300 403;
• replacement of references to I-ETSs with EN 300 403;
• substitution of non-specific references to basic standards where the intention is to refer to the latest version.

Which standards are used with SIST EN 300 359-2 V1.2.4:2005?

• EN 300 359-1 - Gives the CCBS protocol specification that the PICS in this part refers to.
• EN 300 403-1 - Defines the signalling network layer for circuit-mode basic call control.
• EN 300 403-3 - Provides the PICS proforma for basic call control items used by Annex B.
• EN 300 195-1 - Gives the protocol specification for supplementary service interactions.
• EN 300 195-2 - Provides the PICS proforma for supplementary service interactions items used by Annex B.
• EN 300 196-1 - Defines the generic functional protocol for the support of supplementary services.
• EN 300 196-2 - Provides the PICS proforma for the generic functional protocol.
• ISO/IEC 9646-1 - Supplies the general conformance testing framework and PICS concepts.
• ISO/IEC 9646-7 - Gives the rules for implementation conformance statements and questionnaire-style proformas.
• CCITT Recommendation I.130 - Provides the method for characterizing telecommunication services supported by ISDN.
• ITU-T Recommendation I.411 - Gives ISDN user-network reference configurations.

What does the SIST EN 300 359-2 V1.2.4:2005 document contain?

SIST EN 300 359-2 V1.2.4:2005 contains a completed framework for describing CCBS protocol support, not a protocol test suite. Annex A provides the blank questionnaire with identification fields, a global conformance statement, role selection, and detailed tables for user and network capabilities, parameters, timers, and call-related items.

Annex A also includes the facility information element components that are received and sent for CCBS procedures such as CCBSRequest, CCBSDeactivate, CCBSInterrogate, CCBSCall, CCBSStatusRequest, and the CCBS-T procedures. Annex B contains the cross-reference list that ties this CCBS PICS to related PICS proformas for basic call, generic functional protocol, and supplementary service interactions.

For conformance work, this document is used to record what the implementation supports before any static review or test selection begins. For product and system teams, it provides the exact structure needed to document support for CCBS on the user side or the network side.

SLOVENSKI STANDARD
01-april-2005
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Integrated Services Digital Network (ISDN); Completion of Calls to Busy Subscriber
(CCBS) supplementary service; Digital Subscriber Signalling System No. one (DSS1)
protocol; Part 2: Protocol Implementation Conformance Statement (PICS) proforma
specification
Ta slovenski standard je istoveten z: EN 300 359-2 Version 1.2.4
ICS:
33.080 Digitalno omrežje z Integrated Services Digital
integriranimi storitvami Network (ISDN)
(ISDN)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 300 359-2 V1.2.4 (1998-06)
European Standard (Telecommunications series)
Integrated Services Digital Network (ISDN);
Completion of Calls to Busy Subscriber (CCBS)
supplementary service;
Digital Subscriber Signalling System No. one (DSS1) protocol;
Part 2: Protocol Implementation Conformance
Statement (PICS) proforma specification

2 EN 300 359-2 V1.2.4 (1998-06)
Reference
REN/SPS-05145-G-2 (3boi0iqo.PDF)
Keywords
ISDN, CCBS, DSS1, supplementary service,
PICS
ETSI
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Copyright Notification
No 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 1998.
All rights reserved.
ETSI
3 EN 300 359-2 V1.2.4 (1998-06)
Contents
Intellectual Property Rights.5
Foreword .5
1 Scope.6
2 Normative references .6
3 Definitions.7
4 Abbreviations.7
5 Conformance.8
Annex A (normative): PICS proforma.9
A.1 Instructions for completing the PICS proforma.9
A.1.1 Identification of the implementation . 9
A.1.2 Global statement of conformance . 9
A.1.3 Explanation of PICS proforma subclauses. 9
A.1.4 Symbols, abbreviations and terms. 10
A.2 Identification of the implementation.10
A.2.1 Implementation Under Test (IUT) identification . 10
A.2.2 System Under Test (SUT) identification. 10
A.2.3 Product supplier. 11
A.2.4 Client . 11
A.2.5 PICS contact person. 11
A.3 PICS/System Conformance Statement (SCS).12
A.4 Identification of the protocol .12
A.5 Global statement of conformance .12
A.6 Roles.13
A.7 User .14
A.7.1 Major capabilities . 14
A.7.2 Subsidiary capabilities . 14
A.7.3 Protocol data units . 14
A.7.4 Protocol data unit parameters. 15
A.7.5 Timers. 16
A.7.6 Call States . 16
A.8 Network.17
A.8.1 Major capabilities . 17
A.8.2 Subsidiary capabilities . 17
A.8.3 Protocol data units . 17
A.8.4 Protocol data unit parameters. 18
A.8.5 Timers. 20
A.8.6 Call states. 20
Annex B (normative): Requirements list.21
B.1 User .21
B.1.1 Requirements on items used in the basic call PICS . 21
B.1.2 Requirements on items used in the generic functional protocol PICS . 21
B.1.3 Requirements on items used in the supplementary service interactions PICS.22
B.2 Network.23
B.2.1 Requirements on items used in the basic call PICS . 23
B.2.2 Requirements on items used in the generic functional protocol PICS . 23
ETSI
4 EN 300 359-2 V1.2.4 (1998-06)
B.2.3 Requirements on items used in the supplementary service interactions PICS.24
Annex C (informative): Changes with respect to the previous ETS 300 359-2 .25
History.26
ETSI
5 EN 300 359-2 V1.2.4 (1998-06)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect
of ETSI standards", which is available free of charge from the ETSI Secretariat. Latest updates are available on the
ETSI Web server (http://www.etsi.fr/ipr or http://www.etsi.org/ipr).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in SR 000 314 (or the updates on the ETSI Web server)
which are, or may be, or may become, essential to the present document.
Foreword
This European Standard (Telecommunications series) has been produced by ETSI Technical Committee Signalling
Protocols and Switching (SPS).
The present document is part 2 of a multi-part standard covering the Digital Subscriber Signalling System No. one
(DSS1) protocol specification for the Integrated Services Digital Network (ISDN) Completion of Calls to Busy
Subscriber (CCBS) supplementary service, as described below:
Part 1: "Protocol specification";
Part 2: "Protocol Implementation Conformance Statement (PICS) proforma specification";
Part 3: "Test Suite Structure and Test Purposes (TSS&TP) specification for the user";
Part 4: "Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT)
proforma specification for the user";
Part 5: "Test Suite Structure and Test Purposes (TSS&TP) specification for the network";
Part 6: "Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT)
proforma specification for the network".
To evaluate conformance of a particular implementation, it is necessary to have a statement of which capabilities and
options have been implemented for a given Open Systems Interconnection (OSI) protocol. Such a statement is called a
Protocol Implementation Conformance Statement (PICS).
The present version updates the references to the basic call specifications.
National transposition dates
Date of adoption of this EN: 19 June 1998
Date of latest announcement of this EN (doa): 30 September 1998
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 March 1999
Date of withdrawal of any conflicting National Standard (dow): 31 March 1999
ETSI
6 EN 300 359-2 V1.2.4 (1998-06)
1 Scope
This second part of EN 300 359 is applicable to the stage three of the Completion of Calls to Busy Subscriber (CCBS)
supplementary service for the pan-European Integrated Services Digital Network (ISDN) as provided by European
public telecommunications operators at the T reference point or coincident S and T reference point (as defined in
ITU-T Recommendation I.411 [11]) by means of the Digital Subscriber Signalling System No. one (DSS1) protocol.
Stage three identifies the protocol procedures and switching functions needed to support a telecommunications service
(see CCITT Recommendation I.130 [10]).
The present document provides the Protocol Implementation Conformance Statement (PICS) proforma for the ISDN
DSS1 CCBS supplementary service protocol as specified in EN 300 359-1 [7] in compliance with the relevant
requirements and in accordance with the relevant guidance given in ISO/IEC 9646-7 [9].
The supplier of a protocol implementation which is claimed to conform to EN 300 359-1 [7] is required to complete a
copy of the PICS proforma provided in annex A of the present document and is required to provide the information
necessary to identify both the supplier and the implementation.
2 Normative references
References may be made to:
a) specific versions of publications (identified by date of publication, edition number, version number, etc.), in
which case, subsequent revisions to the referenced document do not apply; or
b) all versions up to and including the identified version (identified by "up to and including" before the version
identity); or
c) all versions subsequent to and including the identified version (identified by "onwards" following the version
identity); or
d) publications without mention of a specific version, in which case the latest version applies.
A non-specific reference to an ETS shall also be taken to refer to later versions published as an EN with the same
number.
[1] EN 300 403-1: "Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System
No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control; Part 1:
Protocol specification [ITU-T Recommendation Q.931 (1993), modified]".
[2] EN 300 195-1: "Integrated Services Digital Network (ISDN); Supplementary service interactions;
Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification".
[3] EN 300 195-2: "Integrated Services Digital Network (ISDN); Supplementary service interactions;
Digital Subscriber Signalling System No. one (DSS1) protocol; Part 2: Protocol Implementation
Conformance Statement (PICS) proforma specification".
[4] EN 300 196-1: "Integrated Services Digital Network (ISDN); Generic functional protocol for the
support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol;
Part 1 Protocol specification".
[5] EN 300 196-2: "Integrated Services Digital Network (ISDN); Generic functional protocol for the
support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol;
Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification".
[6] EN 300 403-3: "Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System
No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control; Part 3:
Protocol Implementation Conformance Statement (PICS) proforma specification".
[7] EN300 359-1 (V1.2): "Integrated Services Digital Network (ISDN); Completion of Calls to Busy
Subscriber (CCBS) supplementary service; Digital Subscriber Signalling System No. one (DSS1)
protocol; Part 1: Protocol specification".
ETSI
7 EN 300 359-2 V1.2.4 (1998-06)
[8] ISO/IEC 9646-1: "Information technology - Open systems interconnection - Conformance testing
methodology and framework - Part 1: General concepts".
[9] ISO/IEC 9646-7: "Information technology - Open systems interconnection - Conformance testing
methodology and framework - Part 7: Implementation Conformance Statements".
[10] CCITT Recommendation I.130 (1988): "Method for the characterization of telecommunication
services supported by an ISDN and network capabilities of an ISDN".
[11] ITU-T Recommendation I.411 (1993): "ISDN user-network interfaces - Reference configurations".
3 Definitions
For the purposes of the present document, the following definitions apply, in addition to those given in
ETS 300 359-1 [7]:
Protocol Implementation Conformance Statement (PICS): A statement made by the supplier of an Open Systems
Interconnection (OSI) implementation or system, stating which capabilities have been implemented for a given OSI
protocol (see ISO/IEC 9646-1 [8]).
PICS proforma: A document, in the form of a questionnaire, designed by the protocol specifier or conformance test
suite specifier, which, when completed for an OSI implementation or system, becomes the PICS (see
ISO/IEC 9646-1 [8]).
static conformance review: A review of the extent to which the static conformance requirements are met by the IUT,
accomplished by comparing the PICS with the static conformance requirements expressed in the relevant standard(s)
(see ISO/IEC 9646-1 [8]).
4 Abbreviations
For the purposes of the present document, the following abbreviations apply:
AND Boolean "and"
C Conditional requirement (to be observed if the relevant conditions apply)
CCBS Completion of Calls to Busy Subscriber
DSS1 Digital Subscriber Signalling System No. one
IET Information Elements Transmitted
ISDN Integrated Services Digital Network
IUT Implementation Under Test
M Mandatory requirement (to be observed in all cases)
MC Major Capabilities
MT Messages Transmitted
N/A Not applicable, not supported or the conditions for status are not met
No not supported
NOT Boolean "not"
O Option (may be selected to suit the implementation, provided that any requirements applicable to
the option are observed)
O.n Options, but support required for either at least one or only one of the options in the group labelled
with the same numeral "n"
OR Boolean "or"
OSI Open Systems Interconnection
P Parameters
PICS Protocol Implementation Conformance Statement
R Role
RL Requirements List
SC Subsidiary Capabilities
SCS System Conformance Statement
SS Supplementary Service
ETSI
8 EN 300 359-2 V1.2.4 (1998-06)
SUT System Under Test
TM Timers
Yes supported
5 Conformance
A PICS proforma which conforms to this PICS proforma specification shall be technically equivalent to annex A, and
shall preserve the numbering and ordering of the items in annex A.
A PICS which conforms to this PICS proforma specification shall:
a) describe an implementation which claims to conform to EN 300 359-1 [7];
b) be a conforming ICS proforma which has been completed in accordance with the instructions for completion
given in clause A.1;
c) include the information necessary to uniquely identify both the supplier and the implementation.
ETSI
9 EN 300 359-2 V1.2.4 (1998-06)
Annex A (normative):
PICS proforma
Notwithstanding the provisions of the copyright clause related to the text of the present document, ETSI grants that users
of the present document may freely reproduce the PICS proforma in this annex so that it can be used for its intended
purposes and may further publish the completed PICS.
A.1 Instructions for completing the PICS proforma
A.1.1 Identification of the implementation
Identification of the Implementation Under Test (IUT) and the system in which it resides (the System Under Test
(SUT)) should be filled in so as to provide as much detail as possible regarding version numbers and configuration
options.
The product supplier information and client information should both be filled in if they are different.
A person who can answer queries regarding information supplied in the PICS should be named as the contact person.
The SCS as defined in ISO/IEC 9646-1 [8] is a document supplied by the client or product supplier that summarizes
which OSI International Standards, ITU-T (CCITT) Recommendations, ETSs or other standards are implemented and to
which conformance is claimed. The PICS/SCS subclause should describe the relationship of the PICS to the SCS.
A.1.2 Global statement of conformance
If the answer to the statement in this subclause is "Yes", all subsequent subclauses should be completed to facilitate
selection of test cases for optional functions.
If the answer to the statement in this subclause is "No", all subsequent subclauses should be completed, and all non-
supported mandatory capabilities should be identified and explained. Explanations may be entered in the comments field
at the bottom of each table or on attached sheets of paper.
A.1.3 Explanation of PICS proforma subclauses
The PICS proforma contains a Roles clause and thereafter is presented in two parts (for user and network) with the
following subclauses, as required:
- major capabilities;
- subsidiary capabilities;
- protocol data unit support;
- protocol data unit parameters;
- timers;
- call states.
The User clause shall only be completed for user implementations (including private network implementations) while
the Network clause shall only be completed for network implementations. The Roles subclause shall be completed for
all implementations.
The relationship between this PICS proforma and other related PICS proforma (e.g. the basic call PICS proforma) is
expressed in the Requirements List (RL) contained in annex B. This provides the additional restrictions placed on the
related proforma (different conditions, different status, etc.).
ETSI
10 EN 300 359-2 V1.2.4 (1998-06)
A.1.4 Symbols, abbreviations and terms
The PICS proforma contained in this annex is comprised of information in tabular form in accordance with the
guidelines presented in ISO/IEC 9646-7 [9].
The reference column contained in the tables gives reference to the appropriate part(s) of EN 300 359-1 [7] describing
the particular item. Note, however, that a reference merely indicates the place where the core of a description of an item
can be found. Any additional information contained in EN 300 359-1 [7] has to be taken into account when making a
statement about the conformance of that particular item.
The following common notations, defined in ISO/IEC 9646-7 [9], are used for the status column:
M mandatory
O optional
N/A not applicable
O. for mutually exclusive or selectable options from a set
The following common notations, defined in ISO/IEC 9646-7 [9], are used for the support column:
Y for supported/implemented
N for not supported/not implemented
A.2 Identification of the implementation
A.2.1 Implementation Under Test (IUT) identification
IUT name:
.........................................................................................................................................................................................
.........................................................................................................................................................................................
IUT version:
.........................................................................................................................................................................................
A.2.2 System Under Test (SUT) identification
SUT name:
.........................................................................................................................................................................................
.........................................................................................................................................................................................
Hardware configuration:
.........................................................................................................................................................................................
.........................................................................................................................................................................................
.........................................................................................................................................................................................
Operating system:
.........................................................................................................................................................................................
.........................................................................................................................................................................................
ETSI
11 EN 300 359-2 V1.2.4 (1998-06)
A.2.3 Product supplier
Name:
.........................................................................................................................................................................................
Address:
.........................................................................................................................................................................................
.........................................................................................................................................................................................
.........................................................................................................................................................................................
Telephone number:
.........................................................................................................................................................................................
Facsimile number:
.........................................................................................................................................................................................
Additional information:
.........................................................................................................................................................................................
.........................................................................................................................................................................................
.........................................................................................................................................................................................
A.2.4 Client
Name:
.........................................................................................................................................................................................
Address:
.........................................................................................................................................................................................
.........................................................................................................................................................................................
.........................................................................................................................................................................................
Telephone number:
.........................................................................................................................................................................................
Facsimile number:
.........................................................................................................................................................................................
Additional information:
.....................................................................
...