SIST ETS 300 500 E1:2003

• Abstract:

  ....

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.070.50 - Global System for Mobile Communication (GSM)
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Ref Project: ETSI ETS 300 500 ed.1 (1994-09) - European digital cellular telecommunications system (Phase 2); Principles of telecommunication services supported by a GSM Public Land Mobile Network (PLMN) (GSM 02.01)

Overview

SIST ETS 300 500 E1:2003 specifies the principles for telecommunication services supported by a GSM Public Land Mobile Network (PLMN) within the European digital cellular telecommunications system (GSM, Phase 2). Developed by the Slovenian Institute for Standardization (SIST) and harmonized with ETSI's GSM 02.01, the standard defines the major service categories and a structured method to describe and classify these services. It serves as a key reference for service providers, system integrators, and equipment manufacturers working with GSM-based networks in Europe and beyond.

Key Topics

• Service Framework: The standard presents a comprehensive framework for describing telecommunication services offered via GSM PLMN, detailing both technical attributes and operational aspects.
• Service Characterization: Services are characterized according to a defined set of attributes, distinguishing among different service types and allowing for clear descriptions and comparisons.
  • Bearer Services: Capabilities that support the transmission of signals between access points within or interworking with other networks.
  • Teleservices: End-to-end services, including the necessary terminal equipment functionalities, enabling direct communications between users.
• Supplementary Services: These are additional features that modify or supplement basic bearer or teleservices (e.g., call forwarding, call waiting) and are not stand-alone offerings.
• Access Points: The standard defines multiple user access points to the GSM network, mapping how both bearer and teleservices are made available to mobile subscribers.
• Terminal Equipment: Requirements for terminal equipment, including conformance with relevant network protocols and functions, are outlined to ensure compatibility and reliable service delivery.

Applications

SIST ETS 300 500 E1:2003 offers practical guidance for:

• Mobile Network Operators: Assists in defining, offering, and maintaining consistent GSM service portfolios, ensuring compliance with European norms for digital cellular communications.
• Equipment Manufacturers: Informs the design and integration of terminal equipment and network components that support specified GSM services and adhere to required service attributes.
• System Integrators and Solution Providers: Provides a basis for integrating multi-vendor systems and ensuring interoperability across the GSM ecosystem.
• Service Planning and Management: Supplies operators and planners with a structured approach for service cataloguing, feature introduction, and customer interface design.
• Regulatory Bodies: ACT as a reference for harmonized GSM service implementation across national boundaries, facilitating international roaming and service consistency.

Related Standards

• GSM 01.04: Definitions, abbreviations, and acronyms for GSM.
• GSM 02.02 / ETS 300 501: Bearer Services supported by GSM PLMN.
• GSM 02.03 / ETS 300 502: Teleservices supported by GSM PLMN.
• GSM 02.04 / ETS 300 503: General principles on supplementary services.
• GSM 02.08: Quality of service for GSM networks.
• GSM 02.09: Security aspects in GSM networks.
• GSM 03.xx series: Network functions, architecture, and procedures (e.g., handover, data management).
• ETSI EN 301 502, EN 301 511: Technical requirements for GSM radio and user equipment.

For further operational and technical specifics, these associated GSM standards provide in-depth information on network architecture, security, service accessibility, protocol stacks, and implementation practices. Collectively, they ensure comprehensive GSM system interoperability and service quality management within Europe.

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Keywords: GSM telecommunication services, GSM PLMN, bearer services, teleservices, supplementary services, GSM standardization, mobile network operator, terminal equipment, European digital cellular, service characterization, SIST ETS 300 500, service attributes, mobile communication standards.

SLOVENSKI STANDARD
01-december-2003
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WHOHNRPXQLNDFLMVNLKVWRULWHYNLMLKSRGSLUDMDYQRNRSHQVNRPRELOQRRPUHåMH
3/01VLVWHPD*60*60
European digital cellular telecommunications system (Phase 2); Principles of
telecommunication services supported by a GSM Public Land Mobile Network (PLMN)
(GSM 02.01)
Ta slovenski standard je istoveten z: ETS 300 500 Edition 1
ICS:
33.070.50 Globalni sistem za mobilno Global System for Mobile
telekomunikacijo (GSM) Communication (GSM)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN ETS 300 500
TELECOMMUNICATION September 1994
STANDARD
Source: ETSI TC-SMG Reference: GSM 02.01
ICS: 33.060.30
European digital cellular telecommunications system, Global System for Mobile communications
Key words:
(GSM)
European digital cellular telecommunications system (Phase 2);
Principles of telecommunication services supported by a GSM
Public Land Mobile Network (PLMN)
(GSM 02.01)
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
F-06921 Sophia Antipolis CEDEX - FRANCE
Postal address:
650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Office address:
c=fr, a=atlas, p=etsi, s=secretariat - [e-mail]
X.400: Internet:
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 1994. All rights reserved.
New presentation - see History box

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ETS 300 500: September 1994 (GSM 02.01 version 4.4.2)
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 300 500: September 1994 (GSM 02.01 version 4.4.2)
Contents
Foreword .5
0 Introduction.7
0.1 Scope.7
0.2 Normative references .7
0.3 Definitions and abbreviations.11
1 Framework for the description of telecommunication services .12
1.1 General .12
1.2 The attribute method of characterization of telecommunication services.12
2 Description of telecommunication services by the attribute method .12
2.1 General .12
2.2 Bearer services and teleservices.12
2.3 Supplementary services.13
2.4 Categorisation of telecommunication services .13
3 Customer access to telecommunication services supported by a GSM PLMN.14
3.1 Reference configuration and access points.14
3.2 Access points and telecommunication services .14
3.3 Terminal equipment.15
4 Capabilities to support a telecommunication service .15
4.1 General .15
4.2 Network capabilities.15
4.3 Terminal capabilities .15
4.4 Operational capabilities.15
5 Characterization of telecommunication services.16
5.1 General .16
5.2 Bearer services supported by a GSM PLMN.16
5.3 Teleservices supported by a GSM PLMN.16
6 Provision of telecommunication services .17
6.1 Subscription checking for Basic Services.17
6.2 Subscription checking for Supplementary Services.19
Annex A (normative): List of definition of attributes and values used for bearer services.20
A.1 Information transfer attributes .20
A.1.1 Information transfer capability.20
A.1.2 Information transfer mode .20
A.1.3 Information transfer rate .20
A.1.4 Structure .20
A.1.5 Establishment of communication.21
A.1.6 Communication configuration .21
A.1.7 Symmetry.21
A.2 Attributes describing the access at the mobile station .22
A.2.1 Signalling access .22
A.2.2 Information access.22
A.2.2.1 Rate.22
A.2.2.2 Interface .22
A.3 Interworking attribute.23
A.3.1 Type of terminating network .23

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ETS 300 500: September 1994 (GSM 02.01 version 4.4.2)
A.3.2 Terminal to terminating network interface. 23
A.4 General attributes . 23
A.4.1 Supplementary services provided . 23
A.4.2 Quality of service. 23
A.4.3 Commercial and operational . 24
A.4.4 Service interworking. 24
Annex B (normative): List of definitions of attributes and values used for teleservices. 25
B.1 High layer attributes. 25
B.1.1 Type of user information . 25
B.1.2 Layer 4 protocol functions . 25
B.1.3 Layer 5 protocol functions . 25
B.1.4 Layer 6 protocol functions . 25
B.1.5 Layer 7 protocol functions . 25
B.2 Low layer attribute (bearer capabilities). 25
B.3 General attributes . 25
Annex C (normative): Definition of "busy" in a GSM PLMN. 26
C.1 Scope. 26
C.2 Network Determined User Busy (NDUB) condition . 26
C.3 User Determined User Busy (UDUB) condition. 26
C.4 Mobile subscriber busy . 26
Annex D (normative): Call setup procedures. 27
D.1 Scope. 27
D.2 Mobile Originated Call Setup . 27
D.2.1 Called Party Address. 27
D.2.2 Calling/Called Party Sub-address . 27
D.2.3 Type of Number . 27
D.2.4 Number Plan Indicator . 27
D.2.5 Bearer Capability. 28
D.2.6 Calling Line Indication Restriction Override . 28
D.2.7 Action of the Network on Call Setup. 28
D.3 Mobile Terminated Call Setup . 28
D.3.1 Bearer Type. 28
D.3.2 Response of the MS. 29
D.3.3 Description of Call Re-establishment. 29
History. 30

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ETS 300 500: September 1994 (GSM 02.01 version 4.4.2)
Foreword
This European Telecommunication Standard (ETS) has been produced by the Special Mobile Group
(SMG) Technical Committee (TC) of the European Telecommunications Standards Institute (ETSI).
This ETS characterizes and describes the telecommunication services supported by a PLMN within the
European digital cellular telecommunications system (Phase 2) and corresponds to GSM technical
specification, GSM 02.01 version 4.4.2.
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/PNE rules.
Reference is made within this ETS to GSM Technical Specifications (GSM-TSs) (NOTE).
Reference is also made within this ETS to GSM 0x.xx. series. The specifications in the series can be
identified, with their full title, within the normative reference Clause of this ETS by the first two digits of
their GSM reference number e.g. GSM 09.xx series, refers to GSM 09.01, GSM 09.02 etc.
NOTE: TC-SMG has produced documents which give the technical specifications for the
implementation of the European digital cellular telecommunications system.
Historically, these documents have been identified as GSM Technical Specifications
(GSM-TSs). These TSs may have subsequently become I-ETSs (Phase 1), or ETSs
(Phase 2), whilst others may become ETSI Technical Reports (ETRs). GSM-TSs are,
for editorial reasons, still referred to in GSM ETSs.

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ETS 300 500: September 1994 (GSM 02.01 version 4.4.2)
Blank page
Page 7
ETS 300 500: September 1994 (GSM 02.01 version 4.4.2)
0 Introduction
0.1 Scope
The specification in the GSM 02 series cover the definition of the telecommunication services supported
by a GSM PLMN. The purpose of this specification is to provide a method for the characterization and the
description of these telecommunication services.
0.2 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] GSM 01.04 (ETR 100): "European digital cellular telecommunication system
(Phase 2); Definitions, abbreviations and acronyms".
[2] GSM 02.01 (ETS 300 500): "European digital cellular telecommunication system
(Phase 2); Principles of telecommunication services supported by a GSM Public
Land Mobile Network (PLMN)".
[3] GSM 02.02 (ETS 300 501): "European digital cellular telecommunication system
(Phase 2); Bearer Services (BS) supported by a GSM Public Land Mobile
Network (PLMN)".
[4] GSM 02.03 (ETS 300 502): "European digital cellular telecommunication system
(Phase 2); Teleservices supported by a GSM Public Land Mobile Network
(PLMN)".
[5] GSM 02.04 (ETS 300 503): "European digital cellular telecommunication system
(Phase 2); General on supplementary service".
[6] GSM 02.06 (ETS 300 500): "European digital cellular telecommunication system
(Phase 2); Types of Mobile Stations (MS)".
[7] GSM 02.07 (ETS 300 505): "European digital cellular telecommunication system
(Phase 2); Mobile Station (MS) features".
[8] GSM 02.08 (ETR 101): "European digital cellular telecommunication system
(Phase 2); Quality of service".
[9] GSM 02.09 (ETS 300 506): "European digital cellular telecommunication system
(Phase 2); Security aspects".
[10] GSM 02.11 (ETS 300 507): "European digital cellular telecommunication system
(Phase 2); Service accessibility".
[11] GSM 02.16 (ETS 300 508): "European digital cellular telecommunication system
(Phase 2); International Mobile station Equipment Identities (IMEI)".
[12] GSM 02.17 (ETS 300 509): "European digital cellular telecommunication system
(Phase 2); Subscriber identity modules Functional characteristics".
[13] GSM 02.24 (ETS 300 510): "European digital cellular telecommunication system
(Phase 2); Description of Charge Advice Information (CAI)".
[14] GSM 02.30 (ETS 300 511): "European digital cellular telecommunication system
(Phase 2); Man-Machine Interface (MMI) of the Mobile Station (MS)".

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ETS 300 500: September 1994 (GSM 02.01 version 4.4.2)
[15] GSM 02.40 (ETS 300 512): "European digital cellular telecommunication system
(Phase 2); Procedures for call progress indications".
[16] GSM 02.41 (ETS 300 513): "European digital cellular telecommunication system
(Phase 2); Operator determined barring".
[17] GSM 02.81 (ETS 300 514): "European digital cellular telecommunication system
(Phase 2); Line identification supplementary services - Stage 1".
[18] GSM 02.82 (ETS 300 515): "European digital cellular telecommunication system
(Phase 2); Call Forwarding (CF) supplementary services - Stage 1".
[19] GSM 02.83 (ETS 300 516): "European digital cellular telecommunication system
(Phase 2); Call Waiting (CW) and Call Hold (HOLD) supplementary services -
Stage 1".
[20] GSM 02.84 (ETS 300 517): "European digital cellular telecommunication system
(Phase 2); MultiParty (MPTY) supplementary services - Stage 1".
[21] GSM 02.85 (ETS 300 518): "European digital cellular telecommunication system
(Phase 2); Closed User Group (CUG) supplementary services - Stage 1".
[22] GSM 02.86 (ETS 300 519): "European digital cellular telecommunication system
(Phase 2); Advice of Charge (AoC) supplementary services - Stage 1".
[23] GSM 02.88 (ETS 300 520): "European digital cellular telecommunication system
(Phase 2); Call Barring (CB) supplementary services - Stage 1".
[24] GSM 03.01 (ETS 300 521): "European digital cellular telecommunication system
(Phase 2); Network functions".
[25] GSM 03.02 (ETS 300 522): "European digital cellular telecommunication system
(Phase 2); Network architecture".
[26] GSM 03.03 (ETS 300 523): "European digital cellular telecommunication system
(Phase 2); Numbering, addressing and identification".
[27] GSM 03.04 (ETS 300 524): "European digital cellular telecommunication system
(Phase 2); Signalling requirements relating to routeing of calls to mobile
subscribers".
[28] GSM 03.05 (ETR 102): "European digital cellular telecommunication system
(Phase 1); Technical performance objectives".
[29] GSM 03.07 (ETS 300 525): "European digital cellular telecommunication system
(Phase 2); Restoration procedures".
[30] GSM 03.08 (ETS 300 526): "European digital cellular telecommunication system
(Phase 2); Organisation of subscriber data".
[31] GSM 03.09 (ETS 300 527): "European digital cellular telecommunication system
(Phase 2); Handover procedures".
[32] GSM 03.10 (ETS 300 528): "European digital cellular telecommunication system
(Phase 2); GSM Public Land Mobile Network (PLMN) connection types".
[33] GSM 03.11 (ETS 300 529): "European digital cellular telecommunication system
(Phase 2); Technical realization of supplementary services".
[34] GSM 03.12 (ETS 300 530): "European digital cellular telecommunication system
(Phase 2); Location registration procedures".

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ETS 300 500: September 1994 (GSM 02.01 version 4.4.2)
[35] GSM 03.13 (ETS 300 531): "European digital cellular telecommunication system
(Phase 2); Discontinuous Reception (DRX) in the GSM system".
[36] GSM 03.14 (ETS 300 532): "European digital cellular telecommunication system
(Phase 2); Support of Dual Tone Multi-Frequency signalling (DTMF) via the
GSM system".
[37] GSM 03.15 (ETS 300 533): "European digital cellular telecommunication system
(Phase 2); Technical realization of operator determined barring".
[38] GSM 03.20 (ETS 300 534): "European digital cellular telecommunication system
(Phase 2); Security related network functions".
[39] GSM 03.22 (ETS 300 535): "European digital cellular telecommunication system
(Phase 2); Functions related to Mobile Station (MS) in idle mode".
[40] GSM 03.30 (ETR 103): "European digital cellular telecommunication system
(Phase 2); Radio network planning aspects".
[41] GSM 03.38 (ETS 300 628): "European digital cellular telecommunication system
(Phase 2); Alphabets and language-specific information".
[42] GSM 03.40 (ETS 300 536): "European digital cellular telecommunication system
(Phase 2); Technical realization of the Short Message Service (SMS) Point to
Point (PP)".
[43] GSM 03.41 (ETS 300 537): "European digital cellular telecommunication system
(Phase 2); Technical realization of Short Message Service Cell Broadcast
(SMSCB)".
[44] GSM 03.43 (ETR 104): "European digital cellular telecommunication system
(Phase 2); Support of Videotex".
[45] GSM 03.44 (ETR 105): "European digital cellular telecommunication system
(Phase 2); Support of teletex in a GSM Public Land Mobile Network (PLMN)".
[46] GSM 03.45 (ETS 300 538): "European digital cellular telecommunication system
(Phase 2); Technical realization of facsimile group 3 transparent".
[47] GSM 03.46 (ETS 300 539): "European digital cellular telecommunication system
(Phase 2); Technical realization of facsimile group 3 nonÄtransparent".
[48] GSM 03.47 (ETR 106): "European digital cellular telecommunication system
(Phase 2); Example protocol stacks for interconnecting Service Centre(s) (SC)
and Mobile-services Switching Centre (MSC)".
[49] GSM 03.49 (ETR 107): "European digital cellular telecommunication system
(Phase 2); Example protocol stacks for interconnecting Cell Broadcast Centre
(CBC) and Base Station Controller (BSC)".
[50] GSM 03.50 (ETS 300 540): "European digital cellular telecommunication system
(Phase 2); Transmission planning aspects of the speech service in the GSM
Public Land Mobile Network (PLMN) system".
[51] GSM 03.70 (ETS 300 541): "European digital cellular telecommunication system
(Phase 2); Routeing of calls to/from Public Data Networks (PDN)".
[52] GSM 03.81 (ETS 300 542): "European digital cellular telecommunication system
(Phase 2); Line identification supplementary services - Stage 2".
[53] GSM 03.82 (ETS 300 543): "European digital cellular telecommunication system
(Phase 2); Call Forwarding (CF) supplementary services - Stage 2".

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ETS 300 500: September 1994 (GSM 02.01 version 4.4.2)
[54] GSM 03.83 (ETS 300 544): "European digital cellular telecommunication system
(Phase 2); Call Waiting (CW) and Call Hold (HOLD) supplementary services -
Stage 2".
[55] GSM 03.84 (ETS 300 545): "European digital cellular telecommunication system
(Phase 2); MultiParty (MPTY) supplementary services - Stage 2".
[56] GSM 03.85 (ETS 300 546): "European digital cellular telecommunication system
(Phase 2); Closed User Group (CUG) supplementary services - Stage 2".
[57] GSM 03.86 (ETS 300 547): "European digital cellular telecommunication system
(Phase 2); Advice of Charge (AoC) supplementary services - Stage 2".
[58] GSM 03.88 (ETS 300 548): "European digital cellular telecommunication system
(Phase 2); Call Barring (CB) supplementary services - Stage 2".
[59] GSM 03.90 (ETS 300 549): "European digital cellular telecommunication system
(Phase 2); Unstructured supplementary services operation - Stage 2".
[60] GSM 04.02 (ETS 300 551): "European digital cellular telecommunication system
(Phase 2); GSM Public Land Mobile Network (PLMN) access reference
configuration".
[61] GSM 06.01 (ETS 300 580-1): "European digital cellular telecommunication
system (Phase 2); Full rate speech processing functions".
[62] GSM 06.10 (ETS 300 580-2): "European digital cellular telecommunication
system (Phase 2); Full rate speech transcoding".
[63] GSM 06.11 (ETS 300 580-3): "European digital cellular telecommunication
system (Phase 2); Substitution and muting of lost frames for full rate speech
channels".
[64] GSM 06.12 (ETS 300 580-4): "European digital cellular telecommunication
system (Phase 2); Comfort noise aspect for full Rate speech traffic channels".
[65] GSM 06.31 (ETS 300 580-5): "European digital cellular telecommunication
system (Phase 2); Discontinuous Transmission (DTX) for full rate speech traffic
channel".
[66] GSM 06.32 (ETS 300 580-6): "European digital cellular telecommunication
system (Phase 2); Voice Activity Detection (VAD)".
[67] GSM 06.02 (ETS 300 581-1): "European digital cellular telecommunication
system (Phase 2); Half rate speech processing functions".
[68] GSM 06.20 (ETS 300 581-2): "European digital cellular telecommunication
system (Phase 2); Half rate speech transcoding".
[69] GSM 06.21 (ETS 300 581-3): "European digital cellular telecommunication
system (Phase 2); Substitution and muting of lost frames for half rate speech
traffic channels".
[70] GSM 06.22 (ETS 300 581-4): "European digital cellular telecommunication
system (Phase 2); Comfort noise aspects for half rate speech traffic channels".
[71] GSM 06.41 (ETS 300 581-5): "European digital cellular telecommunication
system (Phase 2); Discontinuous Transmission (DTX) for half rate speech traffic
channels".
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ETS 300 500: September 1994 (GSM 02.01 version 4.4.2)
[72] GSM 06.42 (ETS 300 581-6): "European digital cellular telecommunication
system (Phase 2); Voice Activity Detection (VAD) for half rate speech traffic
channels".
[73] GSM 07.01 (ETS 300 582): "European digital cellular telecommunication system
(Phase 2); General on Terminal Adaptation Functions (TAF) for Mobile Stations
(MS)".
[74] GSM 09.01 (ETR 109): "European digital cellular telecommunication system
(Phase 1); General network interworking scenarios".
[75] GSM 09.02 (ETS 300 599): "European digital cellular telecommunication system
(Phase 2); Mobile Application Part (MAP) specification".
[76] GSM 09.03 (ETS 300 600): "European digital cellular telecommunication system
(Phase 2); Signalling requirements on interworking between the Integrated
Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN)
and the Public Land Mobile Network (PLMN)".
[77] GSM 09.04 (ETS 300 601): "European digital cellular telecommunication system
(Phase 2); Interworking between the Public Land Mobile Network (PLMN) and
the Circuit Switched Public Data Network (CSPDN)".
[78] GSM 09.05 (ETS 300 602): "European digital cellular telecommunication system
(Phase 2); Interworking between the Public Land Mobile Network (PLMN) and
the Packet Switched Public Data Network (PSPDN) for Packet
Assembly/Disassembly facility (PAD) access".
[79] GSM 09.06 (ETS 300 603): "European digital cellular telecommunication 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".
[80] GSM 09.07 (ETS 300 604): "European digital cellular telecommunication 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)".
[81] GSM 09.08 (ETS 300 626): "European digital cellular telecommunication system
(Phase 2); Application of the Base Station System Application Part (BSSAP) on
the E-Interface".
[82] GSM 09.10 (ETS 300 605): "European digital cellular telecommunication system
(Phase 2); Information element mapping between Mobile Station - Base Station
System and BSS Ä Mobile-services Switching Centre (MS-BSS-MSC)
Signalling procedures and the Mobile Application Part(MAP)"
[83] GSM 09.11 (ETS 300 606): "European digital cellular telecommunication system
(Phase 2); Signalling interworking for supplementary services".
[84] CCITT Recommendation I.221: "Common specific characteristics of services".
[85] CCITT Recommendation X.200: "Reference model of open systems
interconnection for CCITT applications".
0.3 Definitions and abbreviations
Abbreviations used in this specification are listed in GSM 01.04.

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ETS 300 500: September 1994 (GSM 02.01 version 4.4.2)
1 Framework for the description of telecommunication services
1.1 General
Telecommunication services supported by a GSM PLMN are the communication capabilities made
available to customers by network operators. A GSM PLMN provides, in cooperation with other networks,
a set of network capabilities which are defined by standardized protocols and functions and enable
telecommunication services to be offered to customers.
A service provision by a network operator (e.g. an Administration or an RPOA) to a subscriber of a GSM
PLMN may cover the whole or only part of the means required to fully support the service. The operational
and commercial features associated with the provision of the service are included in the service concept.
The service classification and description which follow are independent of different possible arrangements
for the ownership and provision to the customer of the means required to support a service.
1.2 The attribute method of characterization of telecommunication services
This characterization is made by using a set of attributes. A telecommunication service attribute is a
specific characteristic of that service whole values distinguish it from other telecommunication services.
Particular values are assigned to each attribute when a given telecommunication service is described and
defined.
A list of definitions of attributes and values used for bearer services and teleservices is contained in,
respectively, Annex A and Annex B.
2 Description of telecommunication services by the attribute method
2.1 General
Telecommunication services are described by attributes which define service characteristics as they apply
at a given reference point where the customer accesses the service. The description of a
telecommunication service by the method of attributes is composed of:
- technical attributes as seen by the customer, and;
- other attributes associated with the service provision, e.g. operational and commercial attributes.
2.2 Bearer services and teleservices
Telecommunication services are divided in two broad categories:
- bearer services, which are telecommunication services providing the capability of transmission of
signals between access points (called user-network interfaces in ISDN);
- teleservices, which are telecommunication services providing the complete capability, including
terminal equipment functions, for communication between users according to protocols established
by agreement between network operators.

Page 13
ETS 300 500: September 1994 (GSM 02.01 version 4.4.2)
Figure 1/GSM 02.1 illustrates these definitions.
‡<˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜Teleservices˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜>‡
‡                               ‡
‡   ‡<˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜Bearer services˜˜˜˜˜˜˜˜˜˜˜˜˜˜>‡   ‡
‡   ‡                        ‡   ‡
‡   ‡                        ‡   ‡
‡   ‡ �˜˜˜˜˜˜˜˜˜˜˜˜¿ �˜˜˜˜˜˜˜˜˜˜˜˜¿ �˜˜˜˜˜˜˜˜˜˜˜˜˜¿ ‡   ‡
ˆ˜˜˜˜¿ ‡ ‡      ‡ ‡ possible ‡ ‡ Terminating ‡ ‡ �˜˜˜˜·
‡ TE ˆ˜¯˜· GSM PLMN ˆ˜· transit  ˆ˜·  network  ˆ˜¯˜· TE ‡
�˜˜˜˜�  ‡      ‡ ‡ network  ‡ ‡       ‡  �˜˜˜˜�
�˜˜˜˜˜˜˜˜˜˜˜˜� �˜˜˜˜˜˜˜˜˜˜˜˜� �˜˜˜˜˜˜˜˜˜˜˜˜˜�
TE: Terminal Equipment
Figure 1/GSM 02.01: Bearer services and Teleservices
supported by a GSM PLMN
NOTE 1: In the majority of cases, at least two networks of different types are involved in the
support of a telecommunication service.
NOTE 2: Figure 1/GSM 02.01 does not preclude any routing possibility.
NOTE 3: In order to limit the complexity of the figure, only one transit network is shown.
NOTE 4: The terminating network type may include a GSM PLMN, either the originating one or
another one.
2.3 Supplementary services
A supplementary service modifies or supplements a basic telecommunication service. Consequently, it
cannot be offered to a customer as a stand alone service. It must be offered together or in association
with a basic telecommunication service. The same supplementary service may be applicable to a number
of telecommunication services.
NOTE: Supplementary services are not currently characterized by the attribute method (see
Specification GSM 02.04).
2.4 Categorisation of telecommunication services
The concepts introduced in this specification are illustrated in Table1/GSM 02.01.
Table 1/GSM 02.01: Categorisation of telecommunication services
�˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¿
‡        TELECOMMUNICATION SERVICES          ‡
ˆ˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜·
‡   BEARER SERVICE   ‡      TELESERVICE       ‡
ˆ˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜·
‡ Basic  ‡ Basic Bearer ‡ Basic    ‡ Basic Teleservice + ‡
‡ Bearer ‡ service +   ‡ Teleservice ‡ supplementary    ‡
‡ service ‡ supplementary ‡       ‡ services       ‡
‡     ‡ services   ‡       ‡           ‡
�˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜�

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ETS 300 500: September 1994 (GSM 02.01 version 4.4.2)
3 Customer access to telecommunication services supported by a GSM
PLMN
3.1 Reference configuration and access points
Considering the reference configuration defined in Specification GSM 04.02, customers can access various
telecommunication services at different access points. Figure 2/GSM 02.01 shows an example of these
access points. The reference configuration shows the MS to consist of mobile termination and terminal
equipment.
Figure 2/GSM 02.01 takes into account that service provision by the network operator to a customer
accessing a GSM PLMN may cover the whole or part of the means required to fully support the service.
‡<˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜ MS ˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜>‡
�˜˜˜˜˜˜˜¿
‡             3 ‡ MT0 ˆ˜˜˜·
�˜˜˜˜˜˜˜�
‡                    ‡
�˜˜˜˜˜˜˜¿ S �˜˜˜˜˜˜˜¿
‡       ‡ TE1 ˆ˜˜¯˜˜· MT1 ˆ˜˜˜·
�˜˜˜˜˜˜˜�   �˜˜˜˜˜˜˜�
‡            ‡       ‡
�˜˜˜˜˜˜˜¿ R �˜˜˜˜˜˜˜¿   �˜˜˜˜˜˜˜¿
3 ‡ TE2 ˆ˜˜¯˜˜· TA  ˆ˜˜¯˜˜· MT1 ˆ˜˜˜·
�˜˜˜˜˜˜˜�   �˜˜˜˜˜˜˜� 1 �˜˜˜˜˜˜˜�
‡     ‡              ‡
�˜˜˜˜˜˜˜¿          �˜˜˜˜˜˜˜¿
3 ‡ TE2 ˆ˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜· MT2 ˆ˜˜˜·
�˜˜˜˜˜˜˜� 2        �˜˜˜˜˜˜˜�
Um
Figure 2/GSM 02.01: Example of customer access to services
supported by a GSM PLMN
MS: Mobile Station
MT: Mobile Termination: supports function specific to management of the radio interface (Um) and
adapting information flows at Um to those required by terminal functions at access points 1 or
2. For further descriptions of functions and types (e.g. MTO, MT1 and MT2) see Specification
GSM 04.02.
TE: Terminal Equipment: supports man-machine (access point 3) to the user and may support a
physical interface at access point 1 or 2.
TE1: TE presenting an ISDN interface.
TE2: TE presenting a non-ISDN a CCITT V or X series) interface.
TA: ISDN Terminal Adapting functions: may be used to adapt between access points 1 and 2.
Um: Radio interface.
3.2 Access points and telecommunication services
The definition of the access points introduced in Figure 2/GSM 02.01 are as follows:
1) at access point 1 and 2, bearer services may be accessed;
2) at access point 3 (user to terminal interface), teleservices are accessed - note that the teleservice
concept includes the terminal capabilities.

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3.3 Terminal equipment
It should be noted that a Terminal Equipment (TE) may consist of one or more pieces of equipment and
may include the following entities:
- telephone set;
- customer terminals, e.g. Data Terminal Equipments, Teletex terminals;
- customer systems.
NOTE: The whole mobile station, customer terminals and systems may be privately owned or
provided by network operators.
All terminal equipment accessing a GSM PLMN interface at one of the access points defined in section
3.2 must meet the specifications of the protocols at that interface for all the layers that are included in the
definition of the telecommunication service used.
For some telecommunication services, the service definition also covers some terminal functions and
characteristics in addition to those specified by the protocols at the interface.
4 Capabilities to support a telecommunication service
4.1 General
The capabilities to fully support a telecommunication service for a customer accessing a GSM PLMN
include:
- network capabilities (in the GSM PLMN and in most cases in another network);
- terminal capabilities, when required;
- other service providing capabilities, when required;
- operational and commercial features associated with the service provision.
4.2 Network capabilities
Network capabilities are described in detail in the GSM 03 series of specifications. Two different levels of
GSM PLMN network capabilities are introduced:
- low layer capabilities, which relate to bearer services;
- high layer capabilities, which together with low layer capabilities relate to teleservices.
4.3 Terminal capabilities
Terminal capabilities are also described in terms of low layer and high layer capabilities. In the description
of teleservices, the terminal capabilities, both low layer and high layer, are included in the service
definition. In the case of bearer service definition, the terminal capabilities are not included but the terminal
equipment must conform to the low layer capabilities of the bearer service.
4.4 Operational capabilities
The operational capabilities associated with a service offering may include capabilities for maintenance,
charging, user control of service features, etc.
The use of such capabilities may involve terminal-network communication and may therefore be viewed
as specific applications.
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5 Characterization of telecommunication services
5.1 General
A telecommunication service supported by a GSM PLMN is characterized and described by service
attributes.
There are two groups of service attributes applicable to user information flow:
- low layer attributes;
- high layer attributes.
Bearer services are characterized only by low layer attributes. Teleservices are characterized by both low
layer attributes and high layer attributes.
The basic characteristics of a telecommunication service are described by the basic service attributes.
The additional characteristics associated with a supplementary service which modify or supplement a
basic telecommunication service are described in Specification GSM 02.04.
5.2 Bearer services supported by a GSM PLMN
Bearer services supported by a GSM PLMN provide the capability for information transfer between a GSM
PLMN access point 1 or 2 and an appropriate access point in a terminating network and involve only low
layer functions (i.e. relating to layers 1-3 of the OSI Reference Model).
The customer may choose any set of high layer (at least 4-7) protocols for his communication, but a GSM
PLMN will not ensure compatibility at these high layers between customers.
Bearer services are characterized by a set of low layer attributes in Specification GSM 02.02. These
attributes are classified into four categories:
- information transfer attributes;
- access attributes;
- interworking attributes;
- general attributes, including operational and commercial attributes.
The bearer capability defines the technical features of a bearer service as they appear to the user at the
appropriate access point. For the time being, the bearer capability is characterized by information transfer,
access and interworking attributes. A bearer capability is associated with every bearer service.
The bearer service provides the user with the possibility of gaining access to various forms of
communication, covering for example:
- information transfer between a user in a GSM PLMN and a user in a terminating network, including
the same GSM PLMN, another GSM PLMN and other types of PLMNs;
- information transfer between a user in a GSM PLMN and separate resource providing high layer
functions.
5.3 Teleservices supported by a GSM PLMN
Teleservices provide the full capacity for communication by means of terminals and network functions and
possibly functions provided by dedicated centres.
A teleservice supported by a GSM PLMN should use only one (or a small number of) bearer capability
recommended by GSM. Examples of teleservices are telephony, Teletex, Videotex and access to
message handling systems.
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Teleservices are characterized by a set of low layer attributes, a set of high layer attributes and
operational and commercial attributes.
Low layer attributes are those used to characterize the bearer capability (see section 5.2). High layer
attributes are used in Specification GSM 02.03 to describe high layer (i.e. layer 4-7) information transfer
related characteristics. They refer to functions and protocols of layers 4-7 in the CCITT Recommendation
X.200 framework which are concerned with the transfer, storage and processing of user messages
(provided by a subscriber's terminal, a retrieval centre or a network service centre).
Therefore, not all attributes can be applied directly at the user to terminal interface (access point 3) as
they represent two kinds of features, the bearer capability and the terminal features, that are not directly
perceived by the user.
A teleservice provides the user with the possibility of gaining access to various forms of applications (or
teleservice APPLICATIONS) covering for example:
- teleservice application involving two terminals providing compatible or identical teleservice attributes
at an access point in a GSM PLMN and an access point in a terminating network;
- teleservice application involving a terminal at one access point in a GSM PLMN and a system
providing high layer functions (e.g. speech storage system, message handling system) located
either within the GSM PLMN or in a terminating network.
6 Provision of telecommunication services
A telecommunication service is provided at different access points by a network operator (e.g. an
Administration, RPOA) and/or other service providers. Specifications GSM 02.10 and 02.11 define some
aspects of the provisions of telecommunication services by a GSM PLMN.
The provision of telecommunication services impl
...