SIST ETS 300 286-2:1998

• Abstract:

  ISDN user-network interface layer 3 protocol implementation conformance statement (PICS) proforma. This work provides a basis for further work on PIXIT & ATS for supplementary services. To be spec d according to ISO 9646. Covers both user & network.

• Status: Published
• Publication Date: 31-May-1998
• ICS: 33.080 - Integrated Services Digital Network (ISDN)
• Technical Committee: SPS - Signalling protocols and switching
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jun-1998
• Due Date: 01-Jun-1998
• Completion Date: 01-Jun-1998
• Mandate: T-234B
• Ref Project: ETSI ETS 300 286-2 ed.1 (1996-09) - Integrated Services Digital Network (ISDN); User-to-User Signalling (UUS) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification

SIST ETS 300 286-2:1998 is the Slovenian version of ETS 300 286-2, an ETSI standard for the Integrated Services Digital Network (ISDN) User-to-User Signalling (UUS) supplementary service on the Digital Subscriber Signalling System No. one (DSS1) protocol. It specifies the Protocol Implementation Conformance Statement (PICS) proforma that suppliers use to describe which protocol capabilities, options, messages, parameters, and timers an implementation supports. In practice, it is the document used to state conformance for both user and network implementations before testing or static conformance review.

What does SIST ETS 300 286-2:1998 specify?

SIST ETS 300 286-2:1998 specifies the PICS proforma for the ISDN DSS1 UUS supplementary service protocol. It applies to stage three of the service at the T reference point, or at a coincident S and T reference point, and it is written for conformance statements that follow the guidance of ISO/IEC 9646-7.

The document is organized as follows:

• Clause 1 - Scope
• Clause 2 - Normative references
• Clause 3 - Definitions
• Clause 4 - Symbols and abbreviations
• Clause 5 - Conformance
• Annex A - PICS proforma for ETS 300 286-1
• Annex B - Requirements list

Annex A is the main questionnaire-style proforma. It is split into implementation identification, a global conformance statement, roles, then separate user and network sections. Annex B lists related requirements that must be reflected in the base PICS proformas for basic call, generic functional protocol, and supplementary service interactions.

Annex	What it covers
Annex A	PICS proforma for ETS 300 286-1, including identification, roles, capabilities, PDUs, parameters, timers, and call states
Annex B	Requirements list for related basic call, generic functional protocol, and supplementary service interaction PICS proformas

What are the key requirements of SIST ETS 300 286-2:1998?

SIST ETS 300 286-2:1998 requires a completed PICS to be technically equivalent to Annex A and to keep the same numbering and order. It also requires the statement to identify the supplier and the implementation clearly, so conformance can be traced to a specific product and configuration.

Conformance statement and completion rules

Clause 5 says a PICS that conforms to this proforma specification must describe an implementation that claims conformance to ETS 300 286-1. Annex A explains that the completed PICS must follow the completion instructions in A.1 and include the information needed to identify both the supplier and the implementation. This matters because the PICS is used as the starting point for test selection and conformance checking.

Roles and implementation scope

Annex A requires the completion of the Roles subclause for all implementations, then either the User clause, the Network clause, or both depending on what the implementation supports. The roles identify whether the implementation is for user requirements, network requirements, the coincident S and T reference point, or interworking with private ISDNs. In practice, this tells a tester or buyer which part of the service behaviour applies to the product.

Capabilities, options, and service variants

The user and network sections both cover major capabilities and subsidiary capabilities for three service variants, plus flow control where relevant. The proforma distinguishes implicit and explicit request procedures, and it also captures whether the implementation supports special cases such as access information discarded and status messages with cause #43. This is important because support for the service is not just yes/no - the exact request mode and interaction behaviour must be declared.

Protocol data units and parameters

Annex A asks for support of received and transmitted protocol data units such as ALERTING, CONNECT, DISCONNECT, PROGRESS, RELEASE, RELEASE COMPLETE, SETUP, USER INFORMATION, and CONGESTION CONTROL, depending on role. It also asks for parameter-level support such as the User-user field, More data, Congestion level, and the UserUserService facility information element components. In practice, this forces the implementer to declare exactly what is carried in each message, which is what test cases and interoperability checks need.

Timers

The proforma includes timer support items for user and network implementations, with timer names specific to UUS3. Timers are part of the conformance statement because service behaviour depends on time-related procedures, not only message formats. For implementers, this means the timing behaviour has to be declared alongside the signalling content.

Annex B links this PICS to related base PICS proformas

Annex B repeats selected requirements from the basic call, generic functional protocol, and supplementary service interactions PICS proformas that are needed for ETS 300 286-1. It uses conditional and optional statuses to show how the UUS service affects those base proformas. This matters because a complete conformance statement for UUS also depends on the related DSS1 building blocks around it.

What terms does SIST ETS 300 286-2:1998 define?

Protocol Implementation Conformance Statement (PICS) - A statement from the supplier that identifies which capabilities of an OSI implementation are implemented for a given protocol.

PICS proforma - A questionnaire-style document that becomes the PICS once it is completed for a specific implementation.

Static conformance review - A review that compares the completed PICS with the static conformance requirements of the standard.

Implementation Under Test (IUT) - The implementation being checked for conformance.

System Under Test (SUT) - The system in which the implementation resides during conformance testing or review.

System Conformance Statement (SCS) - A document that summarizes which standards are implemented and what conformance is claimed.

UUS - User-to-User Signalling, the supplementary service covered by this standard.

DSS1 - Digital Subscriber Signalling System No. one, the signalling protocol used for the service.

Who uses SIST ETS 300 286-2:1998?

SIST ETS 300 286-2:1998 is used by suppliers and implementers of ISDN equipment that supports UUS on DSS1. It is also used by test engineers and conformance assessors who need a structured way to check whether a product claims the right set of functions.

The document is relevant to:

• terminal and network equipment suppliers
• ISDN user-side and network-side implementers
• conformance test laboratories
• quality managers checking claimed support against the standard
• buyers or operators evaluating whether a product fits their ISDN deployment

Because the standard covers both user and network roles, it is useful for products at the customer side and at the public network side, including implementations at the T reference point or coincident S and T reference point.

Which standards are used with SIST ETS 300 286-2:1998?

SIST ETS 300 286-2:1998 is used together with several companion standards and methodology documents:

• ETS 300 286-1 - the protocol specification for UUS; Annex A points back to this as the protocol being described.
• ETS 300 102-1 - basic call control for the ISDN user-network interface layer 3; Annex B uses it for related basic call items.
• ETS 300 196-1 and ETS 300 196-2 - the generic functional protocol for supplementary services and its PICS proforma; Annex B uses them for shared functional protocol items.
• ETS 300 195-1 and ETS 300 195-2 - supplementary service interactions protocol specification and PICS proforma; Annex B uses them for interaction-related items.
• I-ETS 300 314 and I-ETS 300 315 - basic call PICS proformas for user access cases referenced by Annex B.
• ISO/IEC 9646-1 - the general OSI conformance testing framework that defines PICS and related concepts.
• ISO/IEC 9646-7 - the guidance for implementation conformance statements that shapes the proforma format.
• CCITT Recommendation I.130 - the method for characterizing ISDN services.
• ITU-T Recommendation I.411 - the ISDN reference configurations used for the reference point terminology.

What does the SIST ETS 300 286-2:1998 document contain?

The document contains a structured PICS template with identification fields for the IUT, SUT, supplier, client, and contact person. It then provides tables for the global conformance statement, role selection, user capabilities, network capabilities, received and transmitted messages, PDU parameters, facility information element components, and timers.

Annex A is the core working part for completion. Its tables use status and support markings to show whether each item is mandatory, optional, conditional, or not applicable, so the completed form can be read consistently during review or testing. Annex B provides the linked requirement list that ties UUS support back to the base PICS proformas for basic call, generic functional protocol, and supplementary service interactions.

SLOVENSKI STANDARD
01-junij-1998
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Integrated Services Digital Network (ISDN); User-to-User Signalling (UUS)
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: ETS 300 286-2 Edition 1
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.

EUROPEAN ETS 300 286-2
TELECOMMUNICATION September 1996
STANDARD
Source: ETSI TC-SPS Reference: DE/SPS-05028-T
ICS: 33.080
Key words: ISDN, DSS1, supplementary service, UUS, PICS
Integrated Services Digital Network (ISDN);
User-to-User Signalling (UUS) supplementary service;
Digital Subscriber Signalling System No. one (DSS1) protocol;
Part 2: Protocol Implementation Conformance Statement (PICS)
proforma specification
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
X.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: [e-mail]
Tel.: [phone] - Fax: [phone]
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 1996. All rights reserved.

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ETS 300 286-2: September 1996
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

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ETS 300 286-2: September 1996
Contents
Foreword .5
1 Scope .7
2 Normative references.7
3 Definitions.8
4 Symbols and abbreviations .8
5 Conformance.9
Annex A (normative): PICS proforma for ETS 300 286-1 .10
A.1 Instructions for completing the PICS proforma .10
A.1.1 Identification of the implementation .10
A.1.2 Global statement of conformance.10
A.1.3 Explanation of PICS proforma subclauses .10
A.1.4 Symbols, abbreviations and terms.11
A.2 Identification of the implementation.11
A.2.1 Implementation Under Test (IUT) identification .11
A.2.2 System Under Test (SUT) identification .11
A.2.3 Product supplier.12
A.2.4 Client.12
A.2.5 PICS contact person.13
A.3 PICS/System Conformance Statement (SCS).13
A.4 Identification of the protocol .13
A.5 Global statement of conformance .14
A.6 Roles .14
A.7 User.15
A.7.1 Major capabilities .15
A.7.2 Subsidiary capabilities.15
A.7.3 Protocol data units .16
A.7.4 Protocol data units parameters.17
A.7.5 Timers.20
A.7.6 Call states .21
A.8 Network .21
A.8.1 Major capabilities .21
A.8.2 Subsidiary capabilities.21
A.8.3 Protocol data units .22
A.8.4 Protocol data unit parameters.22
A.8.5 Timers.26
A.8.6 Call states .26

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ETS 300 286-2: September 1996
Annex B (normative): Requirements list . 27
B.1 User . 27
B.1.1 Requirements on items used in the basic call PICS . 27
B.1.2 Requirements on items used in the generic functional protocol PICS . 27
B.1.3 Requirements on items used in the supplementary service interactions PICS. 29
B.2 Network. 30
B.2.1 Requirements on items used in the basic call PICS . 30
B.2.2 Requirements on items used in the generic functional protocol PICS . 30
B.2.3 Requirements on items used in the supplementary services interactions PICS. 32
History. 33

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ETS 300 286-2: September 1996
Foreword
This European Telecommunication Standard (ETS) has been produced by the Signalling Protocols and
Switching (SPS) Technical Committee of the European Telecommunications Standards Institute (ETSI).
This ETS 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) User-to-User Signalling
(UUS) 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: "TSS&TP specification for the network";
Part 6: "ATS and partial 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).
Transposition dates
Date of adoption of this ETS: 6 September 1996
Date of latest announcement of this ETS (doa): 31 December 1996
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 30 June 1997
Date of withdrawal of any conflicting National Standard (dow): 30 June 1997

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ETS 300 286-2: September 1996
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ETS 300 286-2: September 1996
1 Scope
This second part of ETS 300 286 is applicable to the stage three of the User-to-User Signalling (UUS)
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 [12]) 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 [11]).
This ETS provides the Protocol Implementation Conformance Statement (PICS) proforma for the ISDN
DSS1 UUS supplementary service protocol as specified in ETS 300 286-1 [6] in compliance with the
relevant requirements and in accordance with the relevant guidance given in ISO/IEC 9646-7 [10].
The supplier of a protocol implementation which is claimed to conform to ETS 300 286-1 [6] is required to
complete a copy of the PICS proforma provided in annex A of this ETS and is required to provide the
information necessary to identify both the supplier and the implementation.
2 Normative references
This ETS incorporates by dated and undated reference, provisions from other publications. These
normative references are cited at the appropriate places in the text and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications
apply to this ETS only when incorporated in it by amendment or revision. For undated references the latest
edition of the publication referred to applies.
[1] ETS 300 102-1: "Integrated Services Digital Network (ISDN); User-network
interface layer 3; Specifications for basic call control".
[2] ETS 300 195-1 (1995): "Integrated Services Digital Network (ISDN);
Supplementary service interactions; Digital Subscriber Signalling System No.
one (DSS1) protocol; Part 1: Protocol specification".
[3] ETS 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] ETS 300 196-1 (1993): "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] ETS 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] ETS 300 286-1 (1996): "Integrated Services Digital Network (ISDN); User-to-
User Signalling (UUS) supplementary service; Digital Subscriber Signalling
System No. one (DSS1) protocol; Part 1: Protocol specification".
[7] I-ETS 300 314: "Integrated Services Digital Network (ISDN); Digital Subscriber
Signalling System No. one (DSS1); Protocol Implementation Conformance
Statement (PICS) proforma specification for the network layer signalling protocol
for circuit-mode basic call control (basic access, user)".
[8] I-ETS 300 315: "Integrated Services Digital Network (ISDN); Digital Subscriber
Signalling System No. one (DSS1); Protocol Implementation Conformance
Statement (PICS) proforma specification for the network layer signalling protocol
for circuit-mode basic call control (primary rate access, user)".
[9] ISO/IEC 9646-1: "Information technology - Open systems interconnection -
Conformance testing methodology and framework - Part 1: General concepts".

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ETS 300 286-2: September 1996
[10] ISO/IEC 9646-7: "Information technology - Open systems interconnection -
Conformance testing methodology and framework - Part 7: Implementation
Conformance Statements".
[11] CCITT Recommendation I.130 (1988): "Method for the characterization of
telecommunication services supported by an ISDN and network capabilities of
an ISDN".
[12] ITU-T Recommendation I.411 (1993): "ISDN user-network interfaces -
Reference configurations".
3 Definitions
For the purposes of this ETS, the following definitions apply, in addition to those given in
ETS 300 286-1 [6]:
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 [9]).
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 [9]).
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 [9]).
4 Symbols and abbreviations
For the purposes of this ETS, the following abbreviations apply:
AND Boolean "and"
C Conditional requirement (to be observed if the relevant conditions apply)
DSS1 Digital Subscriber Signalling System No. one
IER Information Elements Received
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
MR Messages Received
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
SC Subsidiary Capabilities
SCS System Conformance Statement
SUT System Under Test
TM Timers
UUS User-to-User Signalling
Yes supported
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ETS 300 286-2: September 1996
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 ETS 300 286-1 [6];
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.

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ETS 300 286-2: September 1996
Annex A (normative): PICS proforma for ETS 300 286-1
Notwithstanding the provisions of the copyright clause related to the text of this ETS, ETSI grants that
users of this ETS 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 [9] 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 contained in annex B. This provides the additional
restrictions placed on the related proforma (different conditions, different status, etc.).

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ETS 300 286-2: September 1996
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 [10].
The reference column contained in the tables gives reference to the appropriate part(s) of
ETS 300 286-1 [6] 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
ETS 300 286-1 [6] 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 [10], 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 [10], 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:
.........................................................................................................................................................................
.........................................................................................................................................................................

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ETS 300 286-2: September 1996
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:
........................................................................................................................................................................
........................................................................................................................................................................
........................................................................................................................................................................

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ETS 300 286-2: September 1996
A.2.5 PICS contact person
Name:
.........................................................................................................................................................................
Address:
.........................................................................................................................................................................
.........................................................................................................................................................................
.........................................................................................................................................................................
Telephone number:
.........................................................................................................................................................................
Facsimile number:
.........................................................................................................................................................................
Additional information:
.........................................................................................................................................................................
.........................................................................................................................................................................
.........................................................................................................................................................................
A.3 PICS/System Conformance Statement (SCS)
Provide the relationship of the PICS with the SCS for the system:
.........................................................................................................................................................................
.........................................................................................................................................................................
.........................................................................................................................................................................
.........................................................................................................................................................................
A.4 Identification of the protocol
This PICS proforma applies to the following standard:
ETS 300 286-1 (1996): "Integrated Services Digital Network (ISDN); User-to-User Signalling (UUS)
supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol
specification".
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ETS 300 286-2: September 1996
A.5 Global statement of conformance
The implementation described in this PICS meets all the mandatory requirements of the referenced
standard?
[ ] Yes
[ ] No
NOTE: Answering "No" to this question indicates non-conformance to the protocol
specification. Non-supported mandatory capabilities are to be identified in the PICS,
with an explanation of why the implementation is non-conforming. Explanations may
be entered in the comments field at the bottom of each table or on attached pages.
In the tabulations which follow, all references are to ETS 300 286-1 [6] unless another numbered
reference is explicitly indicated.
A.6 Roles
Table A.1: Type of implementation
Item Major role: Conditions for Status Reference Support
Does the implementation. status
Type of implementation
R 1 not used
R 2.1 support user requirements? O.1 9, 10 [ ]Yes [ ]No
R 2.2 support network requirements? O.1 9, 10 [ ]Yes [ ]No
R 3.1 support requirements at the coincident S and T R 2.1 O.2 9 [ ]Yes [ ]No
reference point? R 2.2 O.3
R 3.2 support requirements for interworking with private R 2.1 O.2 10 [ ]Yes [ ]No
ISDNs at the T reference point? R 2.2 O.3
R 4.1 support user requirements at the interface of the R 2.1 O.4 9, 10 [ ]Yes [ ]No
served user? NOT R 2.1 N/A [ ]N/A
R 4.2 support user requirements at the interface of the R 2.1 O.4 9, 10 [ ]Yes [ ]No
called user (UUS1, UUS2, UUS3) or of the remote NOT R 2.1 N/A [ ]N/A
user (UUS3)?
R 4.3 support network requirements at the interface of R 2.2 M 9, 10 [ ]Yes [ ]No
the served user? NOT R 2.2 N/A [ ]N/A
R 4.4 support network requirements at the interface of R 2.2 M 9, 10 [ ]Yes [ ]No
the called user (UUS1, UUS2, UUS3) or of the NOT R 2.2 N/A [ ]N/A
remote user (UUS3)?
O.1 Support of one and only one of these options is required.
O.2 Support of one and only one of these options is required.
O.3 Support at least one of these options is required.
O.4 Support at least one of these options is required.
Comments:
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ETS 300 286-2: September 1996
A.7 User
The tables provided in th
...