SIST EN 301 039 V1.1.1:2005

SLOVENSKI STANDARD
01-maj-2005
Zasebno omrežje z integriranimi storitvami (PISN) - Funkcije preslikav za
zagotovitev 64 kb/s vodovne zveze s 16 kb/s podmultipleksiranjem
Private Integrated Services Network (PISN); Mapping functions for the employment of 64
kbit/s circuit mode connections with 16 kbit/s sub-multiplexing
Ta slovenski standard je istoveten z: EN 301 039 Version 1.1.1
ICS:
33.040.35 Telefonska omrežja Telephone networks
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 301 039
V1.1.1 (1997-12)
European Standard (Telecommunications series)
Private Integrated Services Network (PISN);
Mapping functions for the employment of 64 kbit/s
circuit mode connections with 16 kbit/s sub-multiplexing
European Telecommunications Standards Institute

2 EN 301 039 V1.1.1 (1997-12)
Reference
DEN/ECMA-00144 (9mc00ico.PDF)
Keywords
PISN
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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 1997.
All rights reserved.
3 EN 301 039 V1.1.1 (1997-12)
Contents
Intellectual Property Rights.4
Foreword .4
1 Scope.5
2 Conformance.5
3 References.5
3.1 Normative references. 5
3.2 Informative references . 6
4 Definitions.6
4.1 External definitions. 6
4.2 Special definitions. 6
4.2.1 Channel . 6
4.2.1.1 D -Channel. 6
Q
4.2.1.2 U -Channel. 6
Q
4.2.2 End PINX. 6
4.2.3 Inter-PINX connection . 7
4.2.4 Inter-PINX link . 7
4.2.5 Transit PINX. 7
5 Abbreviations.7
6 Introduction.7
7 Capabilities at the Q reference point.8
8 Mapping functions .8
8.1 Physical adaptation . 8
8.1.1 64 kbit/s unrestricted digital leased line (D64U). 8
8.2 Mapping matrix. 9
8.2.1 Channel allocation. 9
8.2.2 Bearer conditioning for the D -Channel . 9
Q
8.2.3 Bearer conditioning for the U -Channels. 9
Q
Annex A (normative): Implementation Conformance Statement (ICS) proforma .11
A.1 Introduction.11
A.2 Instructions for completing the ICS proforma .11
A.2.1 General structure of the ICS proforma. 11
A.2.2 Additional information. 12
A.2.3 Exception information . 12
A.3 ICS proforma for PINX implementation.12
A.3.1 Implementation identification . 12
A.3.2 Implementation summary. 12
A.3.3 General. 13
Annex B (normative): QSIG Protocol codepoints .14
Annex C (informative): Illustrative figure for bearer conditioning of U -Channels .15
Q
Annex D (informative): Bibliography.16
History.17

4 EN 301 039 V1.1.1 (1997-12)
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 ETR 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).
Pursuant to the ETSI Interim 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 ETR 314 (or the updates on
http://www.etsi.fr/ipr) which are, or may be, or may become, essential to the present document.
Foreword
This European Standard (Telecommunications series) has been produced by the European Computer Manufacturers
Association (ECMA) on behalf of its members and those of the European Telecommunications Standards Institute
(ETSI).
National transposition dates
Date of adoption of this EN: 5 December 1997
Date of latest announcement of this EN (doa): 31 March 1998
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 30 September 1998
Date of withdrawal of any conflicting National Standard (dow): 30 September 1998

5 EN 301 039 V1.1.1 (1997-12)
1 Scope
The present document defines the mapping functions in exchanges of Private Integrated Services Networks (PISNs)
required for the utilization of scenarios in which 64 kbit/s circuit mode connections are sub-multiplexed into
4 × 16 kbit/s channels for carrying inter-Private Integrated services Network eXchange (PINX) signalling and user
information.
NOTE: The present document has been prepared to meet the specific needs of an application for a particular user
organization. However, it may also be applicable elsewhere. The requirements contained in the present
document will be incorporated in any future standard specifying a more generic approach to bearer
conditioning.
In order to connect a PINX to another PINX, mapping functions are required to adapt the specific interfaces at the
C reference point to the application at the Q reference point. As such, mapping functions provide for physical adaptation
to the interface at the C reference point. Mapping functions also provide for the mapping of user channels and signalling
information at the Q reference point to the appropriate channels or timeslots at the C reference point.
The C and Q reference points are defined in ISO/IEC 11579-1 [1].
The type of interface at the C reference point covered by the present document is the 64 kbit/s digital unrestricted leased
line (D64U) terminal equipment interface, in accordance with ETS 300 290 [2].
At the Q reference point the mapping provides a 16 kbit/s service for user channels to support the transfer of unrestricted
digital information and to support the transfer of speech, and a packet mode service for the signalling channel. The
applied mapping is a static mapping, i.e. there is a fixed relationship between user and signalling channels at the
Q reference point and the interface at the C reference point.
Management functions relating to failure management are outside the scope of the present document.
The present document is applicable to PINXs that can be interconnected to form a PISN and that support signalling
protocols at the Q reference point.
2 Conformance
In order to conform to the present document, a PINX shall satisfy the requirements identified in the Implementation
Conformance Statement (ICS) proforma in annex A.
3 References
3.1 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.
6 EN 301 039 V1.1.1 (1997-12)
[1] ISO/IEC 11579-1 (1994): "Information technology - Telecommunications and information
exchange between systems - Private Integrated Services Network - Part 1: Reference configuration
for PISN Exchanges (PINX)".
[2] ETS 300 290 (1994): "Business TeleCommunications (BTC); 64 kbit/s digital unrestricted leased
line with octet integrity (D64U) Terminal equipment interface".
[3] ETS 300 402-2 (1995): "Integrated Services Digital Network (ISDN); Digital Subscriber
Signalling System No. one (DSS1) protocol; Data link layer; Part 2: General protocol
specification".
[4] CCITT Recommendation I.112 (1988): "Vocabulary of terms for ISDNs".
[5] CCITT Recommendation I.460 (1988): "Multiplexing, rate adaption and support of existing
interfaces".
[6] ITU-T Recommendation G.728 (1992): "Coding of speech at 16 kbit/s using low-delay code
excited linear prediction".
3.2 Informative references
The present document also contains informative references. Details of these publications are given in annex D.
4 Definitions
4.1 External definitions
For the purposes of the present document, the following external definitions apply:
Integrated Services Digital Network (ISDN) : See CCITT Recommendation I.112 [4].
Private Integrated Services Network (PISN): See ISO/IEC 11579-1 [1].
Private Integrated services Network eXchange (PINX): See ISO/IEC 11579-1 [1].
4.2 Special definitions
4.2.1 Channel
A means of bi-directional transmission of user or signalling information between two points.
4.2.1.1 D -Channel
Q
A channel used to convey call control information between the Q reference points of two peer PINXs.
4.2.1.2 U -Channel
Q
A channel used to convey user information between the Q reference points of two PINXs.
4.2.2 End PINX
In the context of a particular call, a PINX to which one of the users is attached (Originating PINX or Terminating PINX)
or a PINX at which signalling interworking occurs (Gateway PINX).

7 EN 301 039 V1.1.1 (1997-12)
4.2.3 Inter-PINX connection
A connection provided by an IVN between two C reference points used to transport inter-PINX information from the
PISN control plane and/or the PISN user plane.
4.2.4 Inter-PINX link
A link between the Q reference points of two PINXs, comprising the totality of signalling transfer and user information
transfer means.
4.2.5 Transit PINX
In the context of a particular call, any PINX, excluding the End PINXs, through which the call passes.
5 Abbreviations
BC Bearer Conditioning
BTC Business TeleCommunications
DSS1 Digital Subscriber Signalling System No. one
HDLC High Level Data Link Control
ICS Implementation Conformance Statement
IPC Inter-PINX Connecti
...