ETSI ETS 300 904 ed.2 (1997-12)

Digital cellular telecommunications system (Phase 2+) (GSM); Bearer Services (BS) supported by a GSM Public Land Mobile Network (PLMN) (GSM 02.02 version 5.3.2)

RE/SMG-010202QR2

Digitalni celični telekomunikacijski sistem (faza 2+) – Nosilne storitve (BS), ki jih podpira javno kopensko mobilno omrežje (PLMN) sistema GSM (GSM 02.20, različica 5.3.2)

General Information

• Status: Published
• Publication Date: 30-Dec-1997
• Technical Committee: SMG 1 - Services & Facilities
• Current Stage: 12 - Completion
• Due Date: 26-Dec-1997
• Completion Date: 31-Dec-1997
• Ref Project: SIST ETS 300 904 E2:2003 - Digital cellular telecommunications system (Phase 2+) (GSM); Bearer Services (BS) supported by a GSM Public Land Mobile Network (PLMN) (GSM 02.02 version 5.3.2)

Standards Content (Sample)

SLOVENSKI STANDARD
SIST ETS 300 904 E2:2003
01-december-2003
'LJLWDOQLFHOLþQLWHOHNRPXQLNDFLMVNLVLVWHPID]D±1RVLOQHVWRULWYH%6NLMLK
SRGSLUDMDYQRNRSHQVNRPRELOQRRPUHåMH3/01VLVWHPD*60*60
UD]OLþLFD
Digital cellular telecommunications system (Phase 2+) (GSM); Bearer Services (BS)
supported by a GSM Public Land Mobile Network (PLMN) (GSM 02.02 version 5.3.2)
Ta slovenski standard je istoveten z: ETS 300 904 Edition 2
ICS:
33.070.50 Globalni sistem za mobilno Global System for Mobile
telekomunikacijo (GSM) Communication (GSM)
SIST ETS 300 904 E2:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ETS 300 904 E2:2003

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SIST ETS 300 904 E2:2003
EUROPEAN ETS 300 904
TELECOMMUNICATION December 1997
STANDARD Second Edition
Source: SMG Reference: RE/SMG-010202QR2
ICS: 33.020
Key words: Digital cellular telecommunications system, Global System for Mobile communications (GSM)
R
GLOBAL SYSTEM FOR
MOBILE COMMUNICATIONS
Digital cellular telecommunications system (Phase 2+);
Bearer Services (BS) supported by a GSM
Public Land Mobile Network (PLMN)
(GSM 02.02 version 5.3.2)
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 1997. 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
0 Scope .7
0.1 Normative references .7
0.2 Abbreviations .8
1 Framework for defining Bearer Services.8
2 Bearer Service categories.11
3 Bearer Services.12
3.1 General bearer service user data characteristics .14
3.1.1 3,1 kHz Audio .14
3.1.2 V.110 UDI.15
3.1.3 X.31 Flag Stuffing UDI.15
3.1.4 V.120 .15
3.1.5 Bit Transparent Mode.16
Annex A (informative): Change history .17
History.18

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Foreword
This second edition European Telecommunication Standard (ETS) has been produced by the Special
Mobile Group (SMG) of the European Telecommunications Standards Institute (ETSI).
This ETS defines a set of Bearer Services to be provided within the digital cellular telecommunications
system (Phase 2+).
The specification from which this ETS has been derived was originally based on CEPT documentation,
hence the presentation of this ETS may not be entirely in accordance with the ETSI drafting rules.
Transposition dates
Date of adoption of this ETS: 5 December 1997
Date of latest announcement of this ETS (doa): 31 March 1998
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 30 September 1998
Date of withdrawal of any conflicting National Standard (dow): 30 September 1998

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0 Scope
This European Telecommunication Standard (ETS) defines a set of Bearer Services to be provided to
GSM PLMN subscribers by a GSM PLMN itself and in connection with other networks. This ETS should
also be used as a reference for defining the corresponding required mobile network capabilities which are
specified by means of the "GSM PLMN connection type" concept, defined in GSM 03.10 [4].
The recommended provision of the Bearer Services is under the control of the GSM MoU and is out of the
scope of ETSI TC-SMG.
Bearer Services not included in this ETS that require modifications to the GSM signalling specifications
should not be introduced unilaterally by a mobile network operator.
0.1 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] GSM 01.04 (ETR 350): "Digital cellular telecommunications system (Phase 2+);
Abbreviations and acronyms".
[2] GSM 02.01: "Digital cellular telecommunications system (Phase 2+); Principles
of telecommunication services supported by a GSM Public Land Mobile Network
(PLMN)".
[3] GSM 02.04 (ETS 300 918): "Digital cellular telecommunications system
(Phase 2+); General on supplementary services".
[4] GSM 03.10: "Digital cellular telecommunications system (Phase 2+); GSM
Public Land Mobile Network (PLMN) connection types".
[5] GSM 04.02: "Digital cellular telecommunications system (Phase 2+); GSM
Public Land Mobile Network (PLMN) access reference configuration".
[6] GSM 07.01 (ETS 300 913): "Digital cellular telecommunications system
(Phase 2+); General on Terminal Adaptation Functions (TAF) for Mobile
Stations (MS)".
[7] GSM 07.02 (ETS 300 914): "Digital cellular telecommunications system
(Phase 2+); Terminal Adaptation Functions (TAF) for services using
asynchronous bearer capabilities".
[8] GSM 07.03 (ETS 300 915): "Digital cellular telecommunications system
(Phase 2+); Terminal Adaptation Functions (TAF) for services using
synchronous bearer capabilities".
[9] GSM 07.05: "Digital cellular telecommunications system (Phase 2+); Use of
Data Terminal Equipment - Data Circuit terminating Equipment (DTE - DCE)
interface for Short Message Service (SMS) and Cell Broadcast Service (CBS)".
[10] GSM 09.02 (ETS 300 974): "Digital cellular telecommunications system
(Phase 2+); Mobile Application Part (MAP) specification".
[11] GSM 09.03: "Digital cellular telecommunications system; Signalling
requirements on interworking between the Integrated Services Digital Network
(ISDN) or Public Switched Telephone Network (PSTN) and the Public Land
Mobile Network (PLMN)".

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[12] GSM 09.04: "Digital cellular telecommunications system; Interworking between
the Public Land Mobile Network (PLMN) and the Circuit Switched Public Data
Network (CSPDN)".
[13] GSM 09.05: "Digital cellular telecommunications system; Interworking between
the Public Land Mobile Network (PLMN) and the Packet Switched Public Data
Network (PSPDN) for Packet Assembly/Disassembly facility (PAD) access".
[14] GSM 09.06 (ETS 300 975): "Digital cellular telecommunications system
(Phase 2+); Interworking between a Public Land Mobile Network (PLMN) and a
Packet Switched Public Data Network/Integrated Services Digital Network
(PSPDN/ISDN) for the support of packet switched data transmission services".
[15] GSM 09.07 (ETS 300 976): "Digital cellular telecommunications system
(Phase 2+); General requirements on interworking between the Public Land
Mobile Network (PLMN) and the Integrated Services Digital Network (ISDN) or
Public Switched Telephone Network (PSTN)".
[16] GSM 09.10: "Digital cellular telecommunications system (Phase 2+); Information
element mapping between Mobile Station - Base Station System and BSS -
Mobile-services Switching Centre (MS - BSS - MSC) Signalling procedures and
the Mobile Application Part (MAP)".
[17] GSM 09.11: "Digital cellular telecommunications system (Phase 2+); Signalling
interworking for supplementary services".
[18] CCITT Recommendation V.120: "Support by an ISDN of data terminal
equipments with V-series type interface with provision for statistical
multiplexing".
0.2 Abbreviations
Abbreviations used in this ETS are listed in GSM 01.04 [1].
1 Framework for defining Bearer Services
Bearer Services are described by attributes, which are intended to be independent. These attributes are
described and defined in GSM 02.01 [2]. They are grouped into four categories:
i) Information transfer attributes, which characterize the network capabilities for transferring
information from a user access point in a GSM PLMN to a user access point in another network.
(Refer to GSM 02.01 [2] and GSM 04.02 [5] for definitions of user access points, originating and
terminating networks).
ii) Access attributes, which describe the means for accessing network functions or facilities as seen at
the access point in the PLMN (see GSM 02.01 [2]).
iii) Interworking attributes, which describe properties of the terminating network and its access point.
The terminating network may include another GSM PLMN or the originating PLMN (see
GSM 02.01 [2]).
iv) General attributes, which deal with the service in general.
Figure 1 shows the relation between the groups of attributes and their fields of applicability.

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Inform ation Transfer
and Access
Attributes (note 3)
Transit
Term inating
GSM PLMN IW F IW F
Network
Network
(note 1)
Interworking Attributes
General Attributes (note 2)
NOTE 1: A transit network may not exist for a Bearer Service.
NOTE 2: Communication may be established from either end.
NOTE 3: The information transfer and access attributes of a Bearer Service relate to a direct peer-to-
peer communication of:
- TE to TE;
- TE to a network gateway (supporting, for example, PSTN interworking); or
- network gateway to a TE.
Figure 1: Relation between the groups of attributes and fields of applicability

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The followi
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