SIST ETS 300 905 E3:2003
(Main)Digital cellular telecommunications system (Phase 2+) (GSM); Teleservices supported by a GSM Public Land Mobile Network (PLMN) (GSM 02.03 version 5.3.2)
- Abstract
This ETS describe and defines a recommended set of Teleservices to be supported by a GSM PLMN in connection with other networks as a basis for defining the network capabilities required. Teleservices not included in this specification should not be introduced unilateraly by a mobile network operator, if the provision of this service requires that the GSM signalling specifications are modified.
- Status
- Published
- Publication Date
- 30-Nov-2003
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Dec-2003
- Due Date
- 01-Dec-2003
- Completion Date
- 01-Dec-2003
SIST ETS 300 905 E3:2003 is the Slovenian adoption of ETS 300 905 Edition 3 from ETSI. It specifies a recommended set of teleservices to be supported by a GSM Public Land Mobile Network (PLMN) when it connects with other networks, so operators and implementers can plan the network capabilities needed. The standard also links each teleservice to its bearer capabilities, access conditions and interworking rules in GSM Phase 2+.
What does SIST ETS 300 905 E3:2003 specify?
SIST ETS 300 905 E3:2003 defines the teleservices that a GSM PLMN is expected to support, and it sets the framework used to describe those services. The document is organized so that a reader can move from the general service model to the individual service data sheets.
The main structure is:
- Scope and normative references
- Abbreviations
- Framework for describing teleservices supported by a GSM PLMN
- List of teleservice attributes
- List of teleservice categories and individual teleservices
- Description of individual teleservices
- Bearer capabilities supporting teleservices
- Possible further evolution phases of teleservices in a GSM PLMN
- Annex A with the detailed teleservice descriptions
- Annex B with change history
| Annex | What it covers |
|---|---|
| Annex A (normative) | Detailed descriptions of individual teleservices, including Telephony, Emergency calls, SMS variants, facsimile services, Voice Group Call Service and Voice Broadcast Service |
| Annex B (informative) | Change history for the document |
The scope matters in practice because the standard is not just a list of services - it also tells a network designer how the services are classified and how their capabilities are described.
What are the key requirements of SIST ETS 300 905 E3:2003?
SIST ETS 300 905 E3:2003 says that the supported teleservices are a recommended set for a GSM PLMN, and that teleservices not covered by the specification should not be introduced unilaterally if they would require changes to GSM signalling. In practice, that means a mobile network operator should check this document before adding a new teleservice that affects the core GSM protocols.
The service model is attribute-based
The standard describes teleservices through a set of largely independent attributes. Clause 1 groups them into high layer attributes, low layer attributes, information transfer attributes, access attributes and general attributes. This matters because service planning is not only about the user-visible service name - it is also about protocol behavior, access method and interworking.
Bearer capability is part of every teleservice
Clause 5 states that each teleservice has an associated Bearer Capability. The bearer capability describes the technical features of the teleservice as they appear at the customer access point or a fixed-network interface. For implementers, this is the bridge between the service definition and the actual transmission behavior that the network must support.
The document classifies services into named categories and individual teleservices
Clause 3 and Table 2 identify the service groups and their members:
- Speech transmission - Telephony and Emergency calls
- Short message service - Short message MT/PP, Short message MO/PP and Short message cell broadcast
- Facsimile transmission - Alternate speech and facsimile group 3 and Automatic facsimile group 3
- Voice group service - Voice Group Call Service and Voice Broadcast Service
This classification matters because each service has different access rules, transport behavior and interworking needs.
Telephony and Emergency calls are handled differently
Annex A gives separate descriptions for Telephony and Emergency calls. Telephony supports speech and audible signalling tones, and it notes that bit integrity is not assured because speech-oriented processing may be used. Emergency calls are treated more strictly: a standardized access method is mandatory across GSM PLMNs, national emergency numbers must be usable from the MS, and emergency calling overrides other service constraints. For operators, this means emergency handling is not just another call type - it has special routing and priority behavior.
SMS is defined as store-and-forward messaging with clear roles
Annex A describes three SMS teleservices: MT/PP, MO/PP and Cell Broadcast. Point-to-point SMS uses a Service Centre that stores and forwards messages, with acknowledgements sent back after transfer. The document also describes delivery reports, expiry time, priority handling, the optional reply path and the behavior when the Message Store is full. In practice, this tells SMS service designers how messages move, when confirmations are expected and what happens when the handset cannot accept more messages.
Cell broadcast is one-way and area-based
The Cell Broadcast teleservice sends messages to all mobile stations in a defined area, without acknowledgement from the MS. Reception is only possible in idle mode, and the service can use an identifier so unwanted or already received messages are ignored. This is important for public warning or area information services because it defines broadcast delivery, repetition and handset filtering behavior.
Facsimile and group voice services have specific interworking and access rules
Annex A defines two facsimile teleservices and two voice group teleservices. The facsimile services use CCITT Recommendation T.30/T.4 procedures and support interworking with PSTN, ISDN and GSM PLMN environments. The group voice services are tied to GSM 02.68 and GSM 02.69. For users, this means the standard does not treat fax and group voice as generic speech - it sets special behavior for call setup, configuration and service support.
Future evolution is acknowledged
Clause 6 notes possible further evolution phases, including speech coding procedures such as half rate speech codec to reduce bit rate and increase network capacity. This matters for planners because the document anticipates future efficiency improvements rather than freezing the service model.
What terms does SIST ETS 300 905 E3:2003 define?
SIST ETS 300 905 E3:2003 relies on a shared GSM vocabulary, and a few terms are central to reading the service descriptions.
- Public Land Mobile Network (PLMN) - the GSM network that provides the teleservices described in the standard.
- Teleservice - a user service such as telephony, SMS or facsimile, described by a set of technical attributes.
- Bearer Capability - the technical profile that supports a teleservice at the access point or fixed-network interface.
- Mobile Station (MS) - the mobile device used for telephony, SMS and other teleservices.
- Service Centre (SC) - the store-and-forward entity used for point-to-point SMS handling.
- Short message MT/PP - mobile-terminated point-to-point short messaging from the service centre to the MS.
- Short message MO/PP - mobile-originated point-to-point short messaging from the MS to the service centre.
- Voice Group Call Service (VGCS) - a speech service for a predefined group of subscribers in half duplex mode.
Who uses SIST ETS 300 905 E3:2003?
SIST ETS 300 905 E3:2003 is used by GSM network operators, service providers and system planners who need to decide which teleservices a PLMN should support. It is also relevant to implementers of switching, signalling and interworking functions, because the standard ties services to bearer capabilities and access behavior.
Terminal and mobile station designers use it to understand how telephony, SMS, facsimile and group voice services are expected to behave at the interface. SMS service centre operators and interworking partners also use it, especially where message routing, acknowledgements, delivery reports and cell broadcast behavior matter.
What changed in SIST ETS 300 905 E3:2003 from the previous edition?
Annex B records the update topics that led to this third edition. The listed changes are:
- Addition of Voice Group Call Service and Voice Broadcast Service
- Introduction of a second SMS-CB channel
- Changes needed to implement 14.4 kbit/s
- Use of multiple TS for Fax and Data in the facsimile-related descriptions
These change notes are useful for anyone comparing service scope across editions or tracking why the text was updated.
Which standards are used with SIST ETS 300 905 E3:2003?
SIST ETS 300 905 E3:2003 depends on several GSM and CCITT documents for definitions, procedures and companion service specifications.
| Reference | What it contributes |
|---|---|
| GSM 01.04 | Abbreviations and acronyms used in the standard |
| GSM 02.01 | Principles of telecommunication services and attribute definitions |
| GSM 02.02 | Bearer Services supported by a GSM PLMN |
| GSM 02.04 | General supplementary services |
| GSM 02.68 | Stage 1 description of VGCS |
| GSM 02.69 | Stage 1 description of VBS |
| GSM 03.40 | Technical realization of SMS point-to-point |
| GSM 03.41 | Technical realization of SMS Cell Broadcast |
| GSM 04.08 | Mobile radio interface layer 3 specification |
| GSM 07.01 | Terminal Adaptation Functions for MS |
| GSM 07.05 | DTE-DCE interface use for SMS and CBS |
| CCITT Recommendation T.4 | Group 3 facsimile apparatus standardization |
| CCITT Recommendation T.30 | Procedures for document facsimile transmission |
What does the SIST ETS 300 905 E3:2003 document contain?
The document contains a service framework, attribute lists and service-by-service descriptions rather than test limits or compliance tables. Table 1 sets out the teleservice attributes, and Table 2 maps the service categories and individual teleservices to their dominant attributes.
Annex A is the main technical body for implementation work. It gives data-sheet style descriptions for Telephony, Emergency calls, the three SMS teleservices, the two facsimile teleservices, VGCS and VBS, including their access mode, interworking, signalling and practical notes.
For SMS, Annex A also explains the service-centre model, acknowledgements, delivery reports, reply path behavior, message expiry and cell broadcast operation. That makes the annex especially useful for network design, service integration and handset behavior analysis.
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Frequently Asked Questions
SIST ETS 300 905 E3:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Digital cellular telecommunications system (Phase 2+) (GSM); Teleservices supported by a GSM Public Land Mobile Network (PLMN) (GSM 02.03 version 5.3.2)". This standard covers: This ETS describe and defines a recommended set of Teleservices to be supported by a GSM PLMN in connection with other networks as a basis for defining the network capabilities required. Teleservices not included in this specification should not be introduced unilateraly by a mobile network operator, if the provision of this service requires that the GSM signalling specifications are modified.
This ETS describe and defines a recommended set of Teleservices to be supported by a GSM PLMN in connection with other networks as a basis for defining the network capabilities required. Teleservices not included in this specification should not be introduced unilateraly by a mobile network operator, if the provision of this service requires that the GSM signalling specifications are modified.
SIST ETS 300 905 E3:2003 is classified under the following ICS (International Classification for Standards) categories: 33.070.50 - Global System for Mobile Communication (GSM). The ICS classification helps identify the subject area and facilitates finding related standards.
SIST ETS 300 905 E3:2003 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2003
'LJLWDOQLFHOLþQLWHOHNRPXQLNDFLMVNLVLVWHPID]D±'DOMLQVNHVWRULWYHNLMLK
SRGSLUDMDYQRNRSHQVNRPRELOQRRPUHåMH3/01VLVWHPD*60*60
UD]OLþLFD
Digital cellular telecommunications system (Phase 2+) (GSM); Teleservices supported
by a GSM Public Land Mobile Network (PLMN) (GSM 02.03 version 5.3.2)
Ta slovenski standard je istoveten z: ETS 300 905 Edition 3
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 300 905
TELECOMMUNICATION January 1998
STANDARD Third Edition
Source: SMG Reference: RE/SMG-010203QR2
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+);
Teleservices supported by a GSM
Public Land Mobile Network (PLMN);
(GSM 02.03 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: secretariat@etsi.fr
Tel.: +33 4 92 94 42 00 - Fax: +33 4 93 65 47 16
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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ETS 300 905 (GSM 02.03 version 5.3.2): January 1998
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 300 905 (GSM 02.03 version 5.3.2): January 1998
Contents
Foreword .5
0 Scope .7
0.1 Normative references .7
0.2 Abbreviations .8
1 Framework for describing teleservices supported by a GSM PLMN.8
2 List of the teleservice attributes.9
3 List of teleservice categories and individual teleservices.9
4 Description of individual teleservices .9
5 Bearer capabilities supporting teleservices.9
6 Possible further evolution phases of teleservices in a GSM PLMN .10
Annex A (normative): Description of individual Teleservices .11
A.1 Individual Teleservices.11
A.1.1 Telephony .11
A.1.2 Emergency calls.12
A.1.3 Short Message Service (SMS).13
A.1.3.1 Short message service MT/PP.13
A.1.3.2 Short message service MO/PP .14
A.1.3.3 Short message service Cell Broadcast (CB).15
A.1.3.4 Short message service description .16
A.1.4 Alternate speech/facsimile G3.18
A.1.5 Automatic facsimile G3.19
A.1.6 Voice Group Call Service.20
A.1.7 Voice Broadcast Service.21
Annex B (informative): Change history .22
History.23
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ETS 300 905 (GSM 02.03 version 5.3.2): January 1998
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ETS 300 905 (GSM 02.03 version 5.3.2): January 1998
Foreword
This European Telecommunications Standard (ETS) has been produced by the Special Mobile Group
(SMG) of the European Telecommunications Standards Institute (ETSI).
This ETS describes and defines a recommended set of Teleservices to be supported by a GSM
(Phase 2+) PLMN in connection with other networks as a basis for defining the network capabilities
required.
The contents of this ETS is subject to continuing work within SMG and may change following formal SMG
approval. Should SMG modify the contents of this ETS, it will be resubmitted for OAP by ETSI with an
identifying change of release date and an increase in version number as follows:
Version 5.x.y
where:
y the third digit is incremented when editorial only changes have been incorporated in the
specification;
x the second digit is incremented for all other types of changes, i.e. technical enhancements,
corrections, updates, etc.
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): 30 April 1998
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 31 October 1998
Date of withdrawal of any conflicting National Standard (dow): 31 October 1998
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ETS 300 905 (GSM 02.03 version 5.3.2): January 1998
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ETS 300 905 (GSM 02.03 version 5.3.2): January 1998
0 Scope
This European Telecommunications Standard (ETS) describes and defines a recommended set of
Teleservices to be supported by a GSM PLMN in connection with other networks as a basis for defining
the network capabilities required.
Teleservices not included in this ETS should not be introduced unilaterally by a mobile network operator, if
the provision of this service requires that the GSM signalling specifications are modified.
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 02.02 (ETS 300 904): "Digital cellular telecommunications system
(Phase 2+); Bearer Services (BS) supported by a GSM Public Land Mobile
Network (PLMN)".
[4] GSM 02.04 (ETS 300 918): "Digital cellular telecommunications system
(Phase 2+); General on supplementary services".
[5] GSM 02.68 (ETS 300 925): "Digital cellular telecommunications system
(Phase 2+); Voice Group Call Service (VGCS) - Stage 1".
[6] GSM 02.69 (ETS 300 926): "Digital cellular telecommunications system
(Phase 2+); Voice Broadcast Service (VBS) - Stage 1".
[7] GSM 03.40 (ETS 300 901): "Digital cellular telecommunications system
(Phase 2+); Technical realization of the Short Message Service (SMS)
Point-to-Point (PP)".
[8] GSM 03.41 (ETS 300 902): "Digital cellular telecommunications system
(Phase 2+); Technical realization of Short Message Service Cell Broadcast
(SMSCB)".
[9] GSM 04.08 (ETS 300 940): "Digital cellular telecommunication system
(Phase 2+); Mobile radio interface layer 3 specification".
[10] GSM 07.01 (ETS 300 913): "Digital cellular telecommunications system
(Phase 2+); General on Terminal Adaptation Functions (TAF) for Mobile
Stations (MS)".
[11] 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)".
[12] CCITT Recommendation T.4: "Standardization of group 3 facsimile apparatus
for document transmission".
[13] CCITT Recommendation T.30: "Procedures for document facsimile
transmission in the general switched telephone network".
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ETS 300 905 (GSM 02.03 version 5.3.2): January 1998
0.2 Abbreviations
Abbreviations used in this ETS are listed in GSM 01.04 [1].
1 Framework for describing teleservices supported by a GSM PLMN
Teleservices supported by a GSM PLMN are described by a number of attributes which are intended to be
largely independent.
These attributes are described and defined in specification GSM 02.01 [2].
They are grouped into three categories:
- High layer attributes;
- Low layer attributes (describing the Bearer capabilities which support the Teleservice).
- information transfer attributes;
- access attributes.
- General attributes.
NOTE: Teleservices generally make use of underlying lower layer capabilities of Bearer
Services as defined in specification GSM 02.02 [3]. However, where Teleservices are
provided by a single Administration, RPOA or other services provider, the combination
of values of lower layer attributes applicable to specific Teleservices may not
necessarily be identical to any of those identified for the Bearer Services appearing in
specification GSM 02.02 [3].
Figure 1 shows the relationship between the different categories of services attributes, and their scope
within a Teleservice.
High layer attributes
Low layer attributes
(=bearer capability)
P ossible
GSM PLMN
T erm in atin g
TE transit TE
(originating
network
network
network)
NOTE 1: A transit network may not exist.
NOTE 2: Communication may be established from both ends in principle.
Figure 1: Relationship between the categories of services attributes and their scope
within a Teleservice
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ETS 300 905 (GSM 02.03 version 5.3.2): January 1998
2 List of the teleservice attributes
Table 1 gives the list of the attributes. For the definitions and possible values of these attributes, see
GSM 02.01 [2].
Table 1: List of Teleservice attributes
1. High layer 1.1 Type of user information Dominant Teleservice attribute
capabilities category
1.2 Layer 4 protocol functions
1.3 Layer 5 " "
Secondary attributes
1.4 Layer 6 " "
" "
1.5 Layer 7 " "
2. Low layer 2.1 Information transfer " "
capabilities
2.1.1 Information transfer capabilities " "
(describing the
Bearer capability
2.1.2 Information transfer mode " "
which supports the
Teleservice) 2.1.3 Information transfer rate Individual services (in the category)
2.1.4 Structure
2.1.5 Establishment of communication
2.1.6 Communication configuration
2.1.7 Symmetry
2.2 Access (GSM 02.01) Qualifying attributes
2.2.1 Signalling access " "
2.2.2 Information access " "
2.3 Interworking " "
2.3.1 Terminating network type " "
2.3.2 National/international interworking Further specify the individual
services
2.3.3 Interface of terminal equipment
3. General 3.1 Supplementary services provided
3.2 Quality of service
3.3 Operational and commercial
3 List of teleservice categories and individual teleservices
Table 2 presents a list of all Teleservices categories and of individual Teleservices and the associated
dominant and secondary attributes.
4 Description of individual teleservices
The annex contains a data sheet per Teleservice with all attributes and comments.
5 Bearer capabilities supporting teleservices
According to specification GSM 02.01 [2] the Bearer Capability defines the technical features of a
Teleservice as they appear to the user at the customer access point or an appropriate interface of a fixed
network. The Bearer Capability is characterized by information transfer, access and interworking
attributes. The same set of attributes as for a Bearer Service is used. A Bearer Capability is associated
with every Teleservice.
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ETS 300 905 (GSM 02.03 version 5.3.2): January 1998
6 Possible further evolution phases of teleservices in a GSM PLMN
Possible further evolution phases according to the definition in GSM 01.06 could become necessary. For
instance, speech coding procedures (half rate speech codec) will provide for the reduction of the bit rate
for speech transmission and thus increase the network capacity.
Table 2: Teleservice categories and Teleservices
Dominan Category of Individual Teleservice
t teleservice
attribute
Type of No Name No Name
user in-
formation
Speech 1 Speech 11 Telephony
trans- 12 Emergency Calls
mission
Short 2 Short 21 Short message MT/PP
message message 22 Short message MO/PP
service 23 Short message cell broadcast
Facsimile 6 Facsimile 61 Alternate speech and facsimile group 3 T
trans - NT
mission 62 Automatic Facsimile group 3 T
NT
Speech 9 Voice 91 Voice Group Call Service
Group 92 Voice Broadcast Service
service
NOTE: Direct access to private networks is foreseen by recommended provision A.
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ETS 300 905 (GSM 02.03 version 5.3.2): January 1998
Annex A (normative): Description of individual Teleservices
NOTE 1: Interworking with Telex may be provided via teletex-telex- or other interworking
functions.
NOTE 2: Within the GSM PLMN the "Information transfer rate" attribute is not indicated, this is
because the user may access the PLMN at either an "S" or "R" reference point. In
addition, the "Information transfer rate" at other reference points within the PLMN
assumed or otherwise may be different.
A.1 Individual Teleservices
A.1.1 Telephony
Teleservice 11, Telephony
1. 1.1 Type or user information speech
A HLC 1.2 Layer 4 protocol functions -
T 1.3 Layer 5 protocol functions -
T 1.4 Layer 6 protocol functions -
R 1.5 Layer 7 protocol functions -
I 2. 2.1 2.1.1 Information transfer capability speech (digital representation)
B LLC 2.1.2 Information transfer mode circuit
U Inform 2.1.3 Information transfer rate not applicable
T transfer 2.1.4 Structure not applicable
E 2.1.5 Establishment of connection demand MO MT
S 2.1.6 Communication configuration point-to-point
2.1.7 Symmetry bidirectional symmetry
2.2 2.2.1 Signalling access manual
Access 2.2.2 Information access rate full rate/half rate
at MS (GSM 02.01) interface
2.3 2.3.1 Visible network type PSTN/ISDN/GSM-PLMN
Inter- 2.3.2 National/Internat. interworking international/national
working 2.3.3 Interface of TE to terminating 2 wire, analogue 4 wire GSM/ME
S (B+B+D)
3. 3.1 Supplementary service provided GSM 02.04
Gen 3.2 Quality of service
Comments:
This service provides the transmission of speech information and audible signalling tones of the
PSTN/ISDN. In the GSM PLMN and the fixed network processing technique appropriate for speech
such as analogue transmission, echo cancellation and low bit rate voice encoding may be used.
Hence, bit integrity is not assured.
1) Transparency for telephone signalling tones is provided.
2) Transparency for voice band facsimile signals is not mandatory. (Appropriate bearer services see
GSM 02.02 [3].)
3) Transparency for end to end speech encryption is not mandatory. If a user needs to apply this
technique an appropriate bearer service (GSM 02.02 [3]) can be used.
4) Transmission of DTMF is provided in the mobile to fixed direction (e.g. for controlling voice mail
boxes) during any time of an established call.
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ETS 300 905 (GSM 02.03 version 5.3.2): January 1998
A.1.2 Emergency calls
Teleservice 12, Emergency calls
1. 1.1 Type or user information speech
A HLC 1.2 Layer 4 protocol functions -
T 1.3 Layer 5 protocol functions -
T 1.4 Layer 6 protocol functions -
R 1.5 Layer 7 protocol functions -
I 2. 2.1 2.1.1 Information transfer capability speech (digital representation)
B LLC 2.1.2 Information transfer mode circuit
U Inform 2.1.3 Information transfer rate not applicable
T transfer 2.1.4 Structure not applicable
E 2.1.5 Establishment of connection demand MO MT
S 2.1.6 Communication configuration point-to-point
2.1.7 Symmetry bidirectional symmetry
2.2 2.2.1 Signalling access manual
Access 2.2.2 Information access rate full rate/half rate
at MS (GSM 02.01) interface
2.3 2.3.1 Visible network type PSTN ISDN
Inter- 2.3.2 National/Internat. interworking national
working 2.3.3 Interface of TE to terminating Ntwk. 2 wire 4 wire
3. 3.1 Supplementary service provided GSM 02.04 (see note 3)
Gen 3.2 Quality of service
Comments:
1) A standardized access method throughout all GSM PLMNs is mandatory. In addition national
emergency call numbers of PSTN/ISDN must be usable from MS.
2) It shall be an option of the network operator whether to accept emergency calls coming from mobile
stations which do not transmit an IMSI or a TMSI.
3) Emergency calls supersede all constraints imposed by supplementary services or mobile station
features used for other Tele or Bearer services. The lock state of the MS is overridden by the
SOS-procedure.
4) Emergency calls will be routed to the emergency services in accordance with national regulations.
5) In order to help identifying callers in cases of misuse databases in the GSM PLMN may be
accessed to retrieve the identity of the calling MS.
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ETS 300 905 (GSM 02.03 version 5.3.2): January 1998
A.1.3 Short Message Service (SMS)
A.1.3.1 Short message service MT/PP
Teleservice 21, Short Message MT point-to-point 1), 2)
1. 1.1 Type or user information short message, ≤ 160 characters
A 1.2 Layer 4 protocol functions
T 1.3 Layer 5 protocol functions see GSM 03.40
T 1.4 Layer 6 protocol functions see GSM 03.40
R 1.5 Layer 7 protocol functions see GSM 03.40
I 2. 2.1 2.1.1 Information transfer capability not applicable
B 2.1.2 Information transfer mode not applicable
U Inform 2.1.3 Information transfer rate not applicable
T transfer 2.1.4 Structure not applicable
E 2.1.5 Establishment of connection not applicable
S 2.1.6 Communication configuration not applicable
2.1.7 Symmetry not applicable
2.2 2.2.1 Signalling access see GSM 07.05
Access 2.2.2 Information access rate not applicable
at MS (GSM 02.01) interface
2.3 2.3.1 Visible network type not applicable 3)
Inter- 2.3.2 National/Internat. interworking not applicable 3)
working 2.3.3 Interface of TE to terminating Ntwk. not applicable 3)
3. 3.1 Supplementary service provided GSM 02.04
Gen 3.2 Quality of service
Comments:
1) This service provides the transmission of a short message from a message handling system
(service centre) to a mobile station. The service centre is functi
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