ETSI I-ETS 300 697-3 ed.1 (1998-03)

Integrated Services Digital Network (ISDN); Conformance testing for the Euro-ISDN Programming Communication Interface (PCI); Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the Network Access Facility (NAF)

DI/TE-02028-4

Digitalno omrežje z integriranimi storitvami (ISDN) – Preskušanje skladnosti programirljivega komunikacijskega vmesnika (PCI) sistema Euro-ISDN – 3. del: Specifikacija zgradbe preskušalnega niza in nameni preskušanja (TSS&TP) za omrežni dostopovni pripomoček (NAF)

General Information

• Status: Published
• Publication Date: 07-Apr-1998
• Technical Committee: TE 2 - Telematics: Facsimile, Document Handling and Transfer
• Current Stage: 12 - Completion
• Due Date: 25-Mar-1998
• Completion Date: 08-Apr-1998
• Mandate: T-296
• Ref Project: SIST I-ETS 300 697-3 E1:2003 - Integrated Services Digital Network (ISDN); Conformance testing for the Euro-ISDN Programming Communication Interface (PCI); Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the Network Access Facility (NAF)

Standards Content (Sample)

SLOVENSKI STANDARD
SIST I-ETS 300 697-3 E1:2003
01-december-2003
'LJLWDOQRRPUHåMH]LQWHJULUDQLPLVWRULWYDPL,6'1±3UHVNXãDQMHVNODGQRVWL
SURJUDPLUOMLYHJDNRPXQLNDFLMVNHJDYPHVQLND3&,VLVWHPD(XUR,6'1±GHO
6SHFLILNDFLMD]JUDGEHSUHVNXãDOQHJDQL]DLQQDPHQLSUHVNXãDQMD766 73]D
RPUHåQLGRVWRSRYQLSULSRPRþHN1$)
Integrated Services Digital Network (ISDN); Conformance testing for the Euro-ISDN
Programming Communication Interface (PCI); Part 3: Test Suite Structure and Test
Purposes (TSS&TP) specification for the Network Access Facility (NAF)
Ta slovenski standard je istoveten z: I-ETS 300 697-3 Edition 1
ICS:
33.080 Digitalno omrežje z Integrated Services Digital
integriranimi storitvami Network (ISDN)
(ISDN)
SIST I-ETS 300 697-3 E1:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST I-ETS 300 697-3 E1:2003

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SIST I-ETS 300 697-3 E1:2003
INTERIM
EUROPEAN I-ETS 300 697-3
TELECOMMUNICATION March 1998
STANDARD
Source: TE Reference: DI/TE-02028-4
ICS: 33.020
Key words: ISDN, access, network, PCI, testing, TSS&TP
Integrated Services Digital Network (ISDN);
Conformance testing for the Euro-ISDN Programming
Communication Interface (PCI);
Part 3: Test Suite Structure and Test Purposes (TSS&TP)
specification for the Network Access Facility (NAF)
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
Internet: [e-mail] - http://www.etsi.fr - http://www.etsi.org
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 1998. All rights reserved.

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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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Contents
Foreword .5
Introduction.5
1 Scope .7
2 References.7
3 Definitions and abbreviations .7
3.1 Definitions .7
3.2 Abbreviations .7
4 Coverage.8
4.1 What is covered?.8
4.2 Invalid behaviour coverage .8
5 Testability of the NAF .8
6 NAF basic interconnection tests.9
7 Test Suite Structure (TSS) .9
8 Exchange Mechanism.10
8.1 DOS Mechanism.10
8.2 UNIX Mechanism.14
8.3 Windows Mechanism.15
9 Administration Plane .17
9.1 Administration Plane Messages .17
9.1.1 Class 1- Management of NCOs and error reports .17
9.1.2 Class 2 - Management of connection security .19
9.1.3 Class 3 - Manufacturer Specific .19
9.2 Selection Criteria.19
9.2.1 NCO Selection.19
9.2.2 Action if no NCO available .20
9.3 Administration Plane return codes.20
10 Control Plane.23
10.1 Control Plane messages and mapping to ETS 300 102-1 messages.23
10.1.1 Class 1 - Connection establishment and connection breakdown.23
10.1.2 Class 2 - Overlap sending specific messages .27
10.1.3 Class 3 - User-to-user information transfer.28
10.1.4 Class 4 - Adjournment of calls .28
10.1.5 Class 5 - Facility Invocation.29
10.1.6 Class 6 - external equipment handling.30
10.2 Error handling in Control Plane.31
10.2.1 Invalid state for a message errors (inopportune tests).31
10.2.2 Mandatory Parameters missing errors .32
10.2.3 Mandatory Parameters content errors.32
10.2.4 Unrecognised parameter errors .33
10.2.5 Optional parameters content errors .34
11 User Plane.34
11.1 User Plane messages, PUF co-ordination.35
11.2 User Plane messages, NAF co-ordination.40
11.3 NMA Messages.41

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11.3.1 Error Handling in NMA User Plane . 41
11.3.1.1 User Plane causes. 42
11.4 TMA messages . 43
11.4.1 Error handling in the TMA User Plane. 44
12 Untestable. 44
Annex A (normative): Test Purposes to be combined. 45
A.1 Administration Plane messages . 45
A.2 Control Plane messages and mapping to ETS 300 102-1 messages. 45
A.2.1 Class 1 - Connection establishment and connection breakdown. 45
A.2.2 Class 2 - Overlap sending specific messages . 63
A.2.3 Class 3 - User-to-user information transfer. 64
A.2.4 Class 4 - Adjournment of calls . 65
A.3 User Plane messages . 66
A.3.1 User Plane messages PUF co-ordination. 66
Annex B (informative): Bibliography . 78
History. 79

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Foreword
The third part of this Interim European Telecommunication Standard (I-ETS) has been produced by the
Terminal Equipment (TE) Technical Committee of the European Telecommunications Standards Institute
(ETSI).
An ETSI standard may be given I-ETS status either because it is regarded as a provisional solution ahead
of a more advanced standard, or because it is immature and requires a "trial period". The life of an I-ETS
is limited to three years after which it can be converted into an ETS, have its life extended for a further two
years, be replaced by a new version, or be withdrawn.
This is the third part of a I-ETS which comprises four Parts:
"Integrated Services Digital Network (ISDN); Conformance testing for the Euro-ISDN Programming
Communication Interface (PCI);
Part 1: "Test Suite Structure and Test Purposes (TSS&TP) for the PCI User Facility (PUF)";
Part 2: "Abstract Test Suite (ATS) for the PCI User Facility (PUF)";
Part 3: "Test Suite Structure and Test Purposes (TSS&TP) for the Network Access Facility (NAF)";
Part 4: "Abstract Test Suite (ATS) for the Network Access Facility (NAF)".
Announcement date
Date of adoption of this I-ETS: 6 March 1998
Date of latest announcement of this I-ETS (doa): 30 June 1998
Introduction
I-ETS 300 697, Parts 1 to 4 comprises the Test Suite Structure and Test Purposes (TSS&TP) and the
Abstract Test Suites (ATS) for ETS 300 325 [1]. The Euro-ISDN PCI is a Programming Communication
Interface (PCI) which provides access to the Euro-ISDN. The basic model of the Euro-ISDN PCI consists
of two entities, a service user called the PCI User Facility (PUF) and a service provider called the Network
Access Facility (NAF). For the purposes of conformance testing, the PUF and the NAF are treated
separately. This is because the PUF manufacturer and the NAF manufacturer may be completely different
and their testing needs should be treated separately. Each part is tested to ensure that they each meet the
conformance requirements of the I-ETS and to increase their probability of inter-operating. This is the
reason why a separate TSS&TP and a separate ATS has been produced for each of the PCI User Facility
(PUF) and the Network Access Facility (NAF).
All parts have been produced according to ISO/IEC 9646, Parts 1 to 3 [2], [3], [4] and ETS 300 406 [8].
As stated above, this I-ETS is structured in four Parts:
- part 1 contains the TSS&TP for the PUF;
- part 2 contains the ATS for the PUF;
- part 3 contains the TSS&TP for the NAF;
- part 4 contains the ATS for the NAF.

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Part 1 (TSS&TP for the PUF) contains all Test Purposes (TPs) for PUF (PCI messages). It describes
what is covered by the TPs for the PUF and what areas of the I-ETS are not covered. The Test Suite
Structure (TSS) is described and the convention followed in naming the TPs is described. A list of basic
interconnection tests is given.
Part 2 (ATS for the PUF) contains the Abstract Test Suite (ATS) for the PUF (PCI messages). The test
method used is described in detail and diagrams explaining the test method are presented. The reasons
for choosing the test method are also given. The ATS is written in the Tree and Tabular Combined
Notation (TTCN) and the TTCN is contained in annex A. Annex B contains the Protocol Conformance
Test Report (PCTR), annex C contains the Implementation eXtra Information for Testing (IXIT) and annex
D contains an Implementation Conformance Statement (ICS).
Part 3 (TSS&TP for the NAF) contains all the TPs for the NAF (PCI messages and Exchange
Mechanism). It describes what is covered by the TPs for the NAF and what areas of the I-ETS are not
covered. The TSS is described and the TPs are given. A list of basic interconnection tests is given.
Part 4 (ATS for the NAF) contains the ATS for the NAF (PCI messages and Exchange Mechanism). The
test method used is described in detail and a diagram explaining the test method is given. The reasons for
choosing the test method is also given. The ATS is written in concurrent TTCN and the TTCN is contained
in annex A. Annex B contains the PCTR, annex C contains the IXIT and annex D contains an ICS.
NOTE: The ICS in annexes D of Parts 2 and 4 of this I-ETS are informative because
ETS 300 325 [1] already contains an ICS. However the ICS in ETS 300 325 [1] is not
adequate for these ATSs and should, eventually, be replaced by annex D of Parts 2
and 4 of this I-ETS.

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1 Scope
Part 3 of this I-ETS contains the Test Suite Structure and Test Purposes (TSS&TP) for the Network
Access Facility (NAF) part of Euro-ISDN PCI. The NAF is situated between the PCI User Facility (PUF)
and the ISDN network. In order to test the NAF, the NAF is stimulated from both sides, i.e. PUF and
network, and the response of the NAF can be observed on either side and a result for the test assigned.
2 Normative references
Part 3 of this I-ETS incorporates by dated or 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 part of the I-ETS only when incorporated in it by amendment or revision. For undated
references the latest edition of the publication referred to applies.
[1] ETS 300 325 (1994): "Integrated Services Digital Network (ISDN); Programming
Communication Interface (PCI) for Euro-ISDN".
[2] ISO/IEC 9646-1 (1994): "Information Technology - Open Systems
Interconnection - Conformance testing methodology and framework - Part 1:
General concepts".
[3] ISO/IEC 9646-2 (1994): "Information Technology - Open Systems
Interconnection - Conformance testing methodology and framework - Part 2:
Abstract Test Suite specification".
[4] ISO/IEC 9646-3 (1994): "Information Technology - Open Systems
Interconnection - Conformance testing methodology and framework - Part 3:
The Tree and Tabular Combined Notation".
[5] ETS 300 102-1: "Integrated Services Digital Network (ISDN); User-network
interface layer 3; Specifications for basic call control".
[6] ETS 300 080 (1992): "Integrated Services Digital Network (ISDN); ISDN lower
layer protocols for telematic terminals".
[7] ISO/IEC 8208 (1990): "Information technology - Data communications - X.25
Packet Layer Protocol for Data Terminal Equipment".
[8] ETS 300 406 (1995): "Methods for Testing and Specification (MTS); Protocol
and profile conformance testing specification Standardisation Methodology".
3 Definitions and abbreviations
3.1 Definitions
For the purposes of this part of the I-ETS, all the definitions in ISO/IEC 9646, Parts 1, 2 and 3 ([2], [3], [4])
and ETS 300 102-1 ([5]) apply.
3.2 Abbreviations
For the purposes of this I-ETS, the following abbreviations apply:
ATS Abstract Test Suite
Bcug Bilateral closed user group
CTS Conformance Testing Services
GFI General Format Identifier
ICS Implementation Conformance Statement
IE Information Element
ISDN Integrated Services Digital Network
IUT Implementation Under Test
LT Lower Tester

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NAF Network Access Facility
NCO Network Connection Object
NCOID NCO IDentifier
NMA Network layer Message Access
PCI Programming Communication Interface
PCO Point of Control and Observation
PIXIT PCI Implementation eXtra Information for Testing
PUF PCI User Facility
TMA Transparent Message Access
TP Test Purpose
TSS Test Suite Structure
TSS&TP Test Suite Structure & Test Purposes
TTCN Tree and Tabular Combined Notation
UT Upper Tester
4 Coverage
The tests in this third part of the I-ETS which have been produced for the NAF were selected under the
constraint that the duration of the final test campaign would be one to two days only. Thus the number of
test cases has been limited. This has been achieved in some areas by combining several TPs into one TP
and in other areas by selective coverage of a feature, e.g. the treatment by the NAF of a missing
parameter is checked in some messages only. The combined TP occurs in the main body of the I-ETS
and the individual TPs are presented in annex A. In the case of a combined TP, the reference shall always
be to more than one individual TP in annex A.
4.1 What is covered?
Nearly all mandatory and optional requirements of ETS 300 325 [1] are covered, i.e. all messages of all
planes and all the mandatory and optional parameters within the messages. The functionality described in
ETS 300 325 [1] is also covered. The User Plane protocols (ETS 300 080 [6], CCITT Recommendation
T.70, Null are not covered.
4.2 Invalid behaviour coverage
The reaction of the NAF to invalid behaviour by the PUF or network is tested through the NAF's use of the
Administration Plane return codes and by testing its reaction to messages which contain errors, as defined
in ETS 300 325 [1], e.g. missing parameters, invalid parameter contents, etc.
5 Testability of the NAF
The nature of both the upper and the lower interfaces of the NAF are clearly stated in ETS 300 325 [1],
and the behaviour of the NAF at these two interfaces can be both controlled and observed. The upper
interface is the ISDN-PCI Exchange Mechanism and the lower interface is the ISDN network. The
operation of the NAF at the two interfaces shall be tested and the mapping by the NAF of messages from
each interface to the other shall also be tested. Because the test suite can be automated, verdict
assignment can also be automated at these two interfaces.
In the description of the PCI messages, some parameters are noted as mandatory and some as optional.
Normally, test cases which are derived by combining other test cases cannot test a mixture of mandatory
and optional parameters because the optional parameter might not be supported by the IUT and this
might lead to a problem when executing the test case. However, it is important to note here that the term
"optional" has a specific and different meaning in ETS 300 325 [1] for each of the PUF and the NAF, see
ETS 300 325 [1], subclause 6.1.2. In the case of the NAF, the network may provide any parameter and
".the NAF shall only supply the item if it is available". This is interpreted to mean that the network may
supply and parameter to the NAF and if supplied, the NAF shall pass it to the PUF. In the context of
testing, where the tester has control of the network, the tester may supply several parameters to the NAF
which are noted as optional in ETS 300 325 [1], and the NAF shall supply these parameters to the PUF. It
is the same case for messages sent by the PUF. Therefore, optional parameters can be combined
because the test tool shall have control over whether or not the feature is optional.

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6 NAF basic interconnection tests
There is no basic interconnection test group in the TSS. However, a list of basic interconnection tests is
provided here. These tests may be executed on the Implementation Under Test (IUT) prior to execution of
the test suite in order to give the IUT implementor confidence that the IUT can perform certain basic
tasks. The tests have been chosen to check that the IUT can perform simple tasks on each of the three
planes, i.e. create a Network Connection Object (NCO), set up a D-channel and transfer data on the B-
channel. Some operations from the Exchange Mechanism are specifically included and other operations
from the Exchange Mechanism shall be exercised in the other test cases.
PCI message/Exchange Mechanism Test case identifier
DOS declaration 1.1.1.a
DOS PCIRegister 1.1.4
Unix declaration 1.2.1.a
Unix PCIRegister 1.2.3
Windows declaration 1.3.1
Windows PCIRegister 1.3.5
ACreateNCOCnf 2.1.1.4
CConnectRsp 3.1.1.6
CConnectCnf 3.1.1.7
CDisconnectReq 3.1.1.14
CDisconnectInd 3.1.1.36
U3ConnectRsp 4.1.38
U3ConnectCnf 4.1.51
U3DisconnectReq 4.1.65
U3DataReq 4.1.81
U3DataInd 4.1.86
7 Test Suite Structure (TSS)
This clause describes the Test Suite Structure (TSS) used in this part of the I-ETS.
The TSS is strictly hierarchical and contains separate test groups for the:
- Exchange Mechanism;
- Administration Plane;
- Control Plane;
- User Plane.
The DOS, UNIX and Windows Exchange Mechanisms are covered by different test groups within the
more general test group named "Exchange Mechanism".
The Administration Plane (see clause 9), apart from covering the three message classes corresponding to
that functional plane and including two test groups concerning error handling, has an additional test group
related to the "Selection Criteria", as this feature can be seen as resource management and this is clearly
related to this functional plane.
The Control Plane (see clause 10) is divided into two major test groups. The first contains separate test
groups covering the support and implementation of each message class in this plane and, where it
applies, the mapping between the ISDN events and the exchanges at the PCI interface. The second major
test group is related to error handling.
Within the subclause 10.2 ("Invalid state for message errors"), the TPs only cover those states that are
considered as testable. Note that in this precise context, testable states are those which correspond to
waiting situations from the NAF point of view, i.e. when the NAF is waiting for some message from the
PUF, as opposed to those states when the NAF sends something to the PUF.

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The User Plane (see clause 11) covers both PUF co-ordination and NAF co-ordination. It also covers the
Transparent Message Access (TMA) messages and includes a subclause on error handling in the User
Plane.
There is no explicit separate part to test the way the NAF reacts to the use of the PUF co-ordination
function as this is seen as the default situation. In this way it is being tested over all three planes.
There are no specific TPs addressing each of the supplementary services, because the PUF is the only
entity which plays an active role in this matter. The NAF only provides a passive mapping of the ISDN
messages to PCI messages and Information Element (IE) contents to PCI parameters field values, and
this mapping is covered in other Parts of the I-ETS.
8 Exchange Mechanism
Test group objective: This test group tests the Exchange Mechanism for each of the three operating
systems: DOS, Unix and Windows. All of the operating systems are tested for all of the Exchange
Mechanism functions and for the declaration and extraction mechanism.
8.1 DOS Mechanism
TP111a (reference ETS 300 325 [1] / annex F, subclause F.4.1.1).
keywords: DOS declaration.
Verify that the IUT, in order to declare itself to the list of available NAFs, adds its handle to the
PCIDD$ device driver of available PCI_Handles, i.e. is now available to PCIGetHandles.
TP111b (reference ETS 300 325 [1] / annex F, subclause F.4.1.2).
keywords: DOS extraction.
Verify that the IUT, in order to extract itself from the list of available NAFs, removes its own
PCI_HANDLE from PCIDD$ device driver, i.e. is no longer available to PCIGetHandles.
TP112 (reference ETS 300 325 [1] / subclause 7.1.3, annex F, subclause F.1.3.2, subclause 6.8.6,
table 28).
keywords: PciGetProperty function.
Verify that if the PUF calls to the far function address PCIHandle, obtained by prior execution of the
PciGetHandles function or by use of other means (e.g. local knowledge), with:
- PciGetProperty function code;
- value of MaximumSize of property allowed on return;
- pointer to Property buffer;
- pointer to ActualSize variable.
On successful execution the NAF returns the value #0 - Success and:
- has set the value of ActualSize according to the number of bytes actually filled on the
Property buffer;
- has filled the Property buffer in a TLV coding form, with the NAF properties.
TP113 (reference ETS 300 325 [1] / subclause 7.1.3, annex F, subclause F.1.3.2, subclause 6.8.6,
table 28).
keywords: PciGetProperty function, PropertyBufferTooSmall.
Verify that if the PUF calls to the far function address PCIHandle, obtained by prior execution of the
PciGetHandles function or by use of other means (e.g. local knowledge), with:
- PciGetProperty function code;
- MaximumSize of property allowed on return, with a value which is less than that required to
get the all list of Properties;
- pointer to Property buffer;
- pointer to ActualSize variable.
The NAF provides the PUF with the function return code #144 - PropertyBufferTooSmall, indicating
that the size of the buffer for Properties is too small to contain the complete list of Properties.

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TP114 (reference ETS 300 325 [1] / subclause 7.1.4, annex F, subclause F.1.3.3, subclause 6.8.6,
table 28).
keywords: PciRegister function.
Verify that if the PUF calls to the far function address PCIHandle, obtained by prior execution of the
PciGetHandles function, with:
- PciRegister function code;
- pointer to PCIRegisterInfo structure;
- pointer to PCIOpSysInfo structure;
- pointer to ExchangeID variable.
On successful execution the NAF makes available the value of the exchange identifier ExchangeID
which identifies the exchange link between PUF and NAF and returns the value #0 - Success.
TP115 (reference ETS 300 325 [1] / subclause 7.1.4, annex F, subclause F.1.3.3, subclause 6.8.6,
table 28).
keywords: PciRegister function, InvalidPUFType.
Verify that if the PUF calls to the far function address PCIHandle, obtained by prior execution of the
PciGetHandles function, with:
- PciRegister function code;
- pointer to PCIRegisterInfo structure, with field PUFVersion=1 and PUFType field value other
than 0;
- pointer to PCIOpSysInfo structure;
- pointer to ExchangeID variable.
The NAF provides the PUF with the function return code #134 - InvalidPUFType, indicating that the
type of the PUF is invalid or unsupported.
TP116 (reference ETS 300 325 [1] / subclause 7.1.4, annex F, subclause F.1.3.3, subclause 6.8.6,
table 28).
keywords: PciRegister function, InvalidPUFVersion.
Verify that if the PUF calls to the far function address PCIHandle, obtained by prior execution of the
PciGetHandles function, with:
- PciRegister function code;
- pointer to PCIRegisterInfo structure, with PUFVersion field value greater than 1 and field
PUFType =0;
- pointer to PCIOpSysInfo structure;
- pointer to ExchangeID variable.
The NAF provides the PUF with the function return code #135 - InvalidPUFVersion, indicating that
the PCI version that the PUF implements is invalid or unsupported.
TP117 (reference ETS 300 325 [1] / subclause 7.3.6, annex F, subclause F.1.3.5, subclause 6.8.6,
table 28).
keywords: PciPutMessage function.
Verify that when in the conversation phase, if the PUF calls to the far function address provided by
the NAF during registration phase, with:
- PciPutMessage function code;
- ExchangeID related to the current association, obtained by prior execution of PciRegister;
- pointer to appropriately filled PCIMPB structure;
- pointer to appropriately filled message buffer.
On successful execution the NAF returns the value #0 - Suc
...