SIST ETS 300 906 E3:2003
(Main)Digital cellular telecommunications system (Phase 2+) (GSM); Mobile Station (MS) features (GSM 02.07 version 5.4.1)
- Abstract
SUBJECT Network Alerting in the MS: Feature applicable to mobile terminating calls and network initiated USSD for release 97.short message service will be studied for inclusion in release 98 Alignment of NITZ - Network name, time and timezone information will be transferred from the network to the ME: At any time during a signalling connection with mobile station.
- 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 300 906 E3:2003 is the Slovenian adoption of ETS 300 906 Edition 3, a European Telecommunications Standard from ETSI for GSM Phase 2+ Mobile Station (MS) features. It specifies how MS features are classified as mandatory or optional and how selected functions such as call display, emergency calling, SIM handling, DTMF, cell broadcast, Network Identity and Timezone (NITZ), and network alerting in the MS behave. Manufacturers, network operators, and type-approval or test teams use it when designing, configuring, and checking GSM mobile stations.
What does SIST ETS 300 906 E3:2003 specify?
SIST ETS 300 906 E3:2003 defines MS features and classifies them by type and by whether they are mandatory or optional. The standard says the feature list is not exhaustive, and it points Type Approval-related features to GSM 11.10.
The document is organized into a short front section, clause 1 on scope, references, and definitions, clause 2 on implementation requirements, and four annexes.
| Annex | What it covers |
|---|---|
| Annex A | Automatic calling repeat call attempt restrictions |
| Annex B | Descriptions of Mobile Station features |
| Annex C | GSM-MoU ID1 SIM layout |
| Annex D | Change history |
The scope also highlights two later features: Network Alerting in the MS for mobile terminating calls and network initiated USSD, and alignment of NITZ so network name, time, and timezone information can be transferred from the network to the ME during a signalling connection.
What are the key requirements of SIST ETS 300 906 E3:2003?
SIST ETS 300 906 E3:2003 requires MS features to be implemented according to the relevant GSM specifications. Clause 2 makes mandatory features compulsory when they are relevant to the MS type, while optional features are left to the manufacturer.
Clause 2 also places responsibility on the manufacturer to avoid any conflict with the air interface and to prevent interference with the network, another MS, or the MS itself. In practice, this is the rule that supports safe interoperability and Type Approval.
Unless the standard states otherwise, a feature supported by the SIM takes priority over the same feature supported by the ME. That matters whenever both parts can control the same user-visible function.
Basic MS features
Table 1 lists the core MS features and marks each one mandatory or optional. Important items include display of called number, indication of call progress signals, country/PLMN indication and selection, IMEI, short message handling, emergency calls, DTMF, subscription identity management, support of encryption A5/1 and A5/2, Short Message Service Cell Broadcast, Service Provider Indication, NITZ, ciphering indicator, and the Network's indication of alerting in the MS (NI Alert in MS).
Several of these items are mandatory only where a human interface is provided. For a reader, that means a handset with a display or alerting interface must expose the relevant user information, while a machine-driven MS may not need the same presentation.
Table 1 note 4 makes reception and storage of SMS MT in the SIM mandatory, but display optional. The MS must still indicate that a message was received and stored. Table 1 note 5 limits mandatory DTMF to speech use and to the speech phases of alternate speech/data or speech/facsimile services.
Supplementary and additional features
Table 2 makes support of supplementary services depend on GSM 02.04 and annex B. Call Barring and Call Forwarding support is mandatory, while other supplementary services are optional. Where a supplementary service is defined with functional signalling, the MS uses that method and cannot claim support for the service without it.
Table 3 lists optional additional features such as abbreviated dialling, fixed number dialling, barred dialled numbers, Last Numbers Dialled (LND), ME-SIM lock, and service dialling numbers. Annex B defines how each feature behaves if it is implemented.
Clause 2 also allows additional MS features that are not listed in Table 3, provided they do not affect the mandatory air interface requirements. This lets manufacturers add functions without reopening the whole standard, as long as GSM compatibility is preserved.
Automatic calling and special network interactions
Annex A controls automatic repeat call attempts after failed call setup. It groups failure causes into busy, temporary unobtainable, and permanent or long-term unobtainable destinations, and it requires retry limits and a blacklist for repeated failures. For auto-dial equipment, this prevents uncontrolled retry loops and tells the implementer when the device must stop retrying a B number.
Annex A also requires the blacklist counter to persist for 24 hours or until the MS is switched off, and it requires at least 8 blacklist entries. That matters for equipment that can generate calls automatically from the MT itself or from peripheral equipment.
Annex B covers user-facing features such as Service Provider Indication, Network Identity and Timezone, Ciphering Indicator, and NI Alert in MS. These clauses define what the MS shall display, store, or signal back to the network, which is the practical basis for handset behavior and operator configuration.
Annex C gives the GSM-MoU ID1 SIM layout and polarization mark. This is the reference for SIM card physical handling and insertion guidance.
What terms does SIST ETS 300 906 E3:2003 define?
- MS feature - A piece of equipment or function directly related to the operation of the MS.
- Basic MS feature - A feature directly related to basic telecommunication services, such as the keypad function.
- Supplementary MS feature - A feature directly related to supplementary services, such as calling line number display.
- Additional MS feature - A feature that is neither basic nor supplementary, such as abbreviated dialling.
- SIM - The Subscriber Identity Module, which stores identity information and can control several MS functions.
- IMEI - The International Mobile Station Equipment Identity; each MS has a unique IMEI transmitted on request from the PLMN.
- FDN - Fixed Dialling Numbers stored in the SIM to limit calls to pre-programmed numbers.
- BDN - Barred Dialling Numbers stored in the SIM to block selected dialled numbers.
Who uses SIST ETS 300 906 E3:2003?
Mobile phone, modem, and embedded cellular device manufacturers use this standard when implementing MS features and deciding which functions are mandatory, optional, or SIM-controlled. The feature tables and annexes help them map product behavior to GSM requirements.
Network operators use it to understand how MS behavior interacts with roaming, service provider indication, NITZ, cell broadcast, emergency calling, and alerting features. SIM and service configuration teams also use it where the SIM carries priority settings or user-facing texts.
Type-approval labs, conformance testers, and quality managers use it to check that an MS behaves as required under GSM procedures. Buyers and procurement teams can use it to compare whether a product supports the feature set they need.
What changed in SIST ETS 300 906 E3:2003 from the previous edition?
This third edition records these main changes:
- Introduction of the mandatory ciphering indicator feature in Table 1 and subclause B.1.26.
- Introduction of Network's indication of alerting in the MS (NI Alert in MS) for release 97, with the new Table 1 item and subclause B.1.27.
- Alignment of NITZ so network name, time, and timezone information can be transferred from the network to the ME at any time during a signalling connection.
- Update of the fixed dialling number specification in B.3.2 to address wildcard implementation.
Which standards are used with SIST ETS 300 906 E3:2003?
| Reference | What it contributes |
|---|---|
| GSM 01.04 | Abbreviations and acronyms |
| GSM 02.03 | Teleservices supported by a GSM PLMN, including short message service and emergency calling context |
| GSM 02.04 | General rules for supplementary services |
| GSM 02.11 | Service accessibility and PLMN selection |
| GSM 02.16 | IMEI rules |
| GSM 02.17 | SIM functional characteristics and security handling |
| GSM 02.30 | MS man-machine interface and related user procedures |
| GSM 02.40 | Call progress indications |
| GSM 02.90 | Unstructured Supplementary Service Data (USSD) stage 1 description |
| GSM 03.03 | Numbering, addressing, and identification |
| GSM 03.14 | Dual Tone Multi-Frequency (DTMF) signalling |
| GSM 04.08 | Mobile radio interface layer 3 procedures used for call setup and related signalling |
| GSM 11.10 | Mobile Station conformity specification and Type Approval context |
| GSM 11.11 | SIM - ME interface specification |
Annex B also relies on GSM 02.09 for the ciphering indicator and on GSM 02.42 for Network Identity and Timezone behavior.
What does the SIST ETS 300 906 E3:2003 document contain?
SIST ETS 300 906 E3:2003 contains the feature classification tables that mark items as mandatory or optional, plus short descriptions that explain how the MS should behave. It also contains the automatic calling restriction rules in Annex A, which are written as a practical retry and blacklist procedure.
Annex B gives feature-by-feature descriptions for user interface functions, SIM-related behavior, call barring, dialling control, service indication, and the NI Alert in MS feature. Annex C gives the physical SIM layout reference, and Annex D records the change history.
For implementation and test work, the document is mainly a behavioral map: it tells engineers what the MS must show, store, allow, reject, or signal in each feature area.
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Frequently Asked Questions
SIST ETS 300 906 E3:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Digital cellular telecommunications system (Phase 2+) (GSM); Mobile Station (MS) features (GSM 02.07 version 5.4.1)". This standard covers: SUBJECT Network Alerting in the MS: Feature applicable to mobile terminating calls and network initiated USSD for release 97.short message service will be studied for inclusion in release 98 Alignment of NITZ - Network name, time and timezone information will be transferred from the network to the ME: At any time during a signalling connection with mobile station.
SUBJECT Network Alerting in the MS: Feature applicable to mobile terminating calls and network initiated USSD for release 97.short message service will be studied for inclusion in release 98 Alignment of NITZ - Network name, time and timezone information will be transferred from the network to the ME: At any time during a signalling connection with mobile station.
SIST ETS 300 906 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 300 906 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
'LJLWDOQLFHOLþQLWHOHNRPXQLNDFLMVNLVLVWHP ID]D ±/DVWQRVWLPRELOQLKSRVWDM
06 *60UD]OLþLFD
Digital cellular telecommunications system (Phase 2+) (GSM); Mobile Station (MS)
features (GSM 02.07 version 5.4.1)
Ta slovenski standard je istoveten z: ETS 300 906 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 300 906
TELECOMMUNICATION June 1998
STANDARD Third Edition
Source: SMG Reference: RE/SMG-010207QR3
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+);
Mobile Stations (MS) features
(GSM 02.07 version 5.4.1)
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: secretariat@etsi.fr - http://www.etsi.fr - http://www.etsi.org
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 300 906 (GSM 02.07 version 5.4.1): June 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 300 906 (GSM 02.07 version 5.4.1): June 1998
Contents
Foreword .5
Introduction.5
1 Scope .7
1.1 Normative references .7
1.2 Definitions and abbreviations.8
2 Requirements for implementing MS features.8
Annex A (normative): Automatic calling repeat call attempt restrictions .11
Annex B (normative): Description of Mobile Station features.13
B.1.1 Display of called number.13
B.1.2 Indication of call progress signals.13
B.1.3 Country/PLMN indication .13
B.1.4 Country/PLMN selection .13
B.1.5 Keypad.13
B.1.6 IMEI.14
B.1.7 Short message indication and acknowledgement .14
B.1.8 Short message overflow indication .14
B.1.9 DTE/DCE interface .14
B.1.10 ISDN "S" terminal interface.14
B.1.11 International access function .14
B.1.12 Service Indicator (SI) .14
B.1.13 Autocalling restriction capabilities.14
B.1.14 Emergency Calls capabilities.14
B.1.15 Dual Tone Multi Frequency (DTMF) .15
B.1.16 Subscription identity management.15
B.1.17 On/Off switch .15
B.1.18 Sub-Address .15
B.1.19 Support of encryption A5/1 and A5/2 .15
B.1.20 Short Message Service Cell Broadcast .15
B.1.21 Short Message Service Cell Broadcast DRX.15
B.1.22 Service Provider Indication .15
B.1.23 Support of the extended Short message cell broadcast channel .16
B.1.24 Support of Additional Call Set-up MMI Procedures .16
B.1.25 Network Identity and Timezone .16
B.1.26 Ciphering Indicator.16
B.1.27 Network's indication of alerting in the MS $(NI Alert in MS)$ R97.16
B.2.1 Support of supplementary services .18
B.3.1 Abbreviated dialling.18
B.3.2 Fixed number dialling.18
B.3.3 Barring of Dialled Numbers.19
B.3.4 DTMF control digits separator .20
B.3.5 Selection of directory number in messages.20
B.3.6 Last Numbers Dialled (LND).20
B.3.7 ME-SIM lock.20
B.3.8 Service Dialling Numbers.21
Annex C (normative): GSM-MoU ID1 SIM layout .22
Annex D (informative): Change history .23
History.24
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ETS 300 906 (GSM 02.07 version 5.4.1): June 1998
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ETS 300 906 (GSM 02.07 version 5.4.1): June 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 specifies Mobile Station features within the digital cellular telecommunications system
(Phase 2+).
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 June 1998
Date of latest announcement of this ETS (doa): 30 September 1998
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 31 March 1999
Date of withdrawal of any conflicting National Standard (dow): 31 March 1999
Introduction
The present document includes references to features which are not part of the Phase 2+ Release 96 of
the GSM Technical specifications. All subclauses which were changed as a result of these features
contain a marker (see table below) relevant to the particular feature. GSM 10.01 defines the
correspondence between these features and GSM yearly releases.
The following table lists all features that were introduced after Release 96.
Feature Marker
NI Alerting in MS $(NI Alert in MS)$
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ETS 300 906 (GSM 02.07 version 5.4.1): June 1998
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ETS 300 906 (GSM 02.07 version 5.4.1): June 1998
1 Scope
This European Telecommunications Standard (ETS) defines Mobile Station (MS) features and to
classifies them according to their type and whether they are mandatory or optional. The MS features
detailed in this ETS do not represent an exhaustive list. Those MS features which are subject to Type
Approval are described in GSM 11.10 [13].
1.1 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 02.03 (ETS 300 905): "Digital cellular telecommunications system
(Phase 2+); Teleservices 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 02.11 (ETS 300 921): "Digital cellular telecommunications system; Service
accessibility".
[5] GSM 02.16: "Digital cellular telecommunications system; International Mobile
station Equipment Identities (IMEI)".
[6] GSM 02.17 (ETS 300 922): "Digital cellular telecommunications system;
Subscriber identity modules; Functional characteristics".
[7] GSM 02.30 (ETS 300 907): "Digital cellular telecommunications system
(Phase 2+); Man-Machine Interface (MMI) of the Mobile Station (MS)".
[8] GSM 02.40: "Digital cellular telecommunications system; Procedures for call
progress indications".
[9] GSM 02.90: "Digital cellular telecommunications system (Phase 2+); Stage 1
description of Unstructured Supplementary Service Data (USSD)".
[10] GSM 03.03 (ETS 300 927): "Digital cellular telecommunications system
(Phase 2+); Numbering, addressing and identification".
[11] GSM 03.14: "Digital cellular telecommunications system; Support of Dual Tone
Multi-Frequency signalling (DTMF) via the GSM system".
[12] GSM 04.08 (ETS 300 940): "Digital cellular telecommunications system
(Phase 2+); Mobile radio interface layer 3 specification".
[13] GSM 11.10 (ETS 300 607): "Digital cellular telecommunications system
(Phase 2+); Mobile Station (MS) conformity specification".
[14] GSM 11.11 (ETS 300 977): "Digital cellular telecommunications system
(Phase 2+); Specification of the Subscriber Identity Module - Mobile Equipment
(SIM - ME) interface".
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ETS 300 906 (GSM 02.07 version 5.4.1): June 1998
1.2 Definitions and abbreviations
For the purposes of this ETS, the following definitions apply:
An MS feature is defined as a piece of equipment of function which directly relates to the operation of the
MS. On the basis of this, three categories of features can be distinguished: basic, supplementary and
additional features.
Basic MS features: A basic MS feature is directly related to the operation of basic telecommunication
services (e.g. key-pad function).
Supplementary MS features: A supplementary MS feature is directly related to the operation of
supplementary services (e.g. display of calling line number).
Additional MS features: An additional MS feature is a feature which is neither a basic nor a
supplementary feature (e.g. abbreviated dialling).
Additional MS features and supplementary services may be used independently according to the choice of
subscribers/users (e.g. barring of outgoing calls). Features not directly relevant to the use as a Mobile
Station are permitted, provided they do not interfere with the performance of the MS (e.g. a clock).
Abbreviations used in this ETS are listed in GSM 01.04 [1].
2 Requirements for implementing MS features
MS features are qualified as mandatory or optional. Mandatory features have to be implemented as long
as they are relevant to the MS type, and will be subject to Type Approval when applied according to
GSM 11.10 [13]. Whether or not an optional feature is implemented is left to the manufacturers' discretion.
The method of implementation of all MS features must be done in accordance with the appropriate
GSM specifications. For all present and future MS features, manufacturers have the responsibility to
ensure that the MS features will neither conflict with the air interface nor cause any interference to the
network or any other MS or its own MS, and these requirements shall be recognized during the Type
Approval process.
In the following tables 1, 2 and 3 the basic, supplementary and additional MS features are listed.
Mandatory features are marked by "M". Optional features are marked by "0".
Additional MS features not listed in table 3 are permitted without the requirement for this table to be
amended, provided that these new features do not affect the mandatory air interface requirements.
Unless otherwise stated for a particular feature, the feature supported by the Subscriber Identity Module
(SIM) takes priority over the same feature supported by the Mobile Equipment (ME).
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ETS 300 906 (GSM 02.07 version 5.4.1): June 1998
Table 1: Basic MS features
Name Mandatory (M)
Optional (O)
1.1 Display of Called Number M*
1.2 Indication of Call Progress Signals M*
1.3 Country/PLMN Indication M*
1.4 Country/PLMN Selection M
1.5 Keypad O (note 1)
1.6 IMEI M
1.7 Short Message M (note 4)
1.8 Short Message Overflow Indication M
1.9 DTE/DCE Interface O
1.10 ISDN "S" Interface O
1.11 International Access Function ("+" key) O (note 1)
1.12 Service Indicator M*
1.13 Autocalling restriction capabilities (note 2)
1.14 Emergency Calls capabilities M (note 3)
1.15 Dual Tone Multi Frequency function (DTMF) M (note 5)
1.16 Subscription Identity Management M
1.17 On/Off switch O
1.18 Subaddress O
1.19 Support of Encryption A5/1 and A5/2 M
1.20 Short Message Service Cell Broadcast M
1.21 Short Message Service Cell Broadcast DRX O
1.22 Service Provider Indication O
1.23 Support of the extended SMS CB channel O
1.24 Support of Additional Call Set-up MMI Procedures O
1.25 Network Identity and Timezone O
1.26 Ciphering Indicator M*
1.27 Network's indication of alerting in the MS O $(NI Alert in MS)$
Descriptions are given in annex B.
* Mandatory where a human interface is provided, i.e. may be in-appropriate for MS driven by
external equipment.
NOTE 1: The physical means of entering the characters 0-9, +, * and # may be keypad, voice
input device, DTE or others, but it is mandatory that there shall be the means to enter
this information.
NOTE 2: MTs with capabilities for Autocalling, or to which call initiating equipment can be
connected via the "R" or "S" interface, shall restrict repeated call attempts according to
the procedures described in annex A.
NOTE 3: Emergency calls shall be possible according to Teleservice 12 (see GSM 02.03 [2] and
GSM 02.30 [7]). This feature is only required to be provided by ME supporting
Telephony.
NOTE 4: Support of reception by the ME and storage of SMS MT in the SIM is mandatory, but
its display is optional. Reception and storage of a message shall be indicated by the
MS.
NOTE 5: The use of DTMF is only mandatory when the speech teleservice is being used or
during the speech phase of alternate speech/data and alternate speech/facsimile
teleservices.
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ETS 300 906 (GSM 02.07 version 5.4.1): June 1998
Table 2: Supplementary MS features
Name Mandatory (M)
Optional (O)
2.1 Control of Supplementary Services (note 1)
NOTE 1: See annex B, subclause B.2.1.
Descriptions are given in annex B to GSM 02.07.
Table 3: Additional MS features
Name Mandatory (M)
Optional (O)
3.1 Abbreviated Dialling O
3.2 Fixed Number Dialling O
3.3 Barring of Dialled Numbers O
3.4 DTMF Control Digits Separator O
3.5 Selection of Directory No in Messages O
3.6 Last Numbers Dialled O
3.7 ME-SIM lock O
3.8 Service Dialling Numbers O
Descriptions are given in the appendix to GSM 02.07.
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ETS 300 906 (GSM 02.07 version 5.4.1): June 1998
Annex A (normative): Automatic calling repeat call attempt restrictions
Call set up attempts referred to in this annex are assumed to be initiated from peripheral equipment or
automatically from the MT itself.
A repeat call attempt may be made when a call attempt is unsuccessful for the reasons listed below (as
defined in GSM 04.08 [12]).
These reasons are classified in three major categories:
1) "Busy destination":
Cause number 17 User busy.
2) "Unobtainable destination - temporary":
Cause number 18 No user responding;
19 User alerting, no answer;
27 Destination out of order;
34 No circuit/channel available;
41 Temporary failure;
42 Switching Equipment congestion;
44 Requested circuit/channel not available;
47 Resources unavailable, unspecified.
3) "Unobtainable destination - permanent/long term":
Cause number 1 Unassigned (unallocated) number;
3 No route to destination;
22 Number changed;
28 Invalid number format (uncompleted number);
38 Network out of order.
NOTE 1: Optionally, it is allowed to implement cause number 27 in Category 3, instead of
Category 2, as this is desirable already in Phase 1.
The table below describes a repeat call restriction pattern to any B number. This pattern defines a
maximum number (n) of call repeat attempts; when this number n is reached, the associated B number
shall be blacklisted by the MT until a manual re-set at the MT is performed in respect of that B number.
When a repeat attempt to anyone B number fails, or is blacklisted, this does not prevent calls being made
to other B numbers.
For the categories 1 and 2 above, n shall be 10; for category 3, n shall be 1.
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ETS 300 906 (GSM 02.07 version 5.4.1): June 1998
call attempts Minimum duration between Call
attempt
Initial call attempt -
1st repeat attempt 5 sec
2nd repeat attempt 1 min
3rd repeat attempt 1 min
4th repeat attempt 1 min
5th repeat attempt 3 min
.
.
nth repeat attempt 3 min
The number of B numbers that can be held in the blacklist is at the manufacturers discretion but there
shall be at least 8. However, when the blacklist is full the MT shall prohibit further automatic call attempts
to any one number until the blacklist is manually cleared at the MT in respect of one or more B numbers.
When automatic calling apparatus is connected to an MT1 or MT2, or where an MTO is capable of auto-
calling, then the MT shall process the call requests in accordance with the sequence of repeat attempts
defined above, i.e. requests for repeat attempts with less than the minimum allowed duration between
them shall be rejected by the MT.
A successful call attempt to a number which has been subject to the call restrictions shown above (i.e. an
unsuccessful call set up attempt has previously occurred) shall reset the "counter" for that number.
The "counter" for an unsuccessfully attempted B number shall be maintained in 24 hours or until the MT is
switched off.
The automatic calling repeat call attempt restrictions apply to speech and data services.
NOTE 2: The restrictions only apply to unsuccessful Call Control activity, not to Radio Resource
Management or to Mobility Management, so multiple attempts at radio channel access
are not limited by this mechanism.
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ETS 300 906 (GSM 02.07 version 5.4.1): June 1998
Annex B (normative): Description of Mobile Station features
The section numbers refer to the items in tables 1, 2 and 3. The implementation (optional or mandatory) is
shown in these tables.
B.1.1 Display of called number
This feature enables the caller to check before call setup whether the selected number is correct.
B.1.2 Indication of call progress signals
Indications shall be given such as tones, recorded messages or visual display based on signalling
information returned from the PLMN. On data calls, this information may be signalled to the DTE.
Call progress indicators are described in GSM 02.40 [8].
B.1.3 Country/PLMN indication
The country/PLMN indicator shows in which GSM PLMN the MS is currently registered. This indicator is
necessary so that the user knows when "roaming" is taking place and that the choice of PLMN
(GSM 02.11 [4] clause 5) is correct. Both the country and PLMN will be indicated. When more than one
visited GSM PLMN is available in a given area such information will be indicated.
NOTE: The indication is described in GSM 02.30 [7].
B.1.4 Country/PLMN selection
When more than one GSM PLMN is available in a given area, the procedures for selection of PLMN are in
conformity with GSM 02.11 [4].
B.1.5 Keypad
A physical means of entering numbers, generally, though not necessarily, in accordance with the layout
shown in figure B.1.
See also GSM 02.30 [7] (Man-Machine Interface).
Additional keys may provide the means to control the Mobile Station (e.g. to initiate and terminate calls).
12 3
45 6
78 9
*0 #
Figure B.1
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ETS 300 906 (GSM 02.07 version 5.4.1): June 1998
B.1.6 IMEI
IMEI = International Mobile Station Equipment Identity.
Each MS shall have a unique identity and shall transmit this on request from the PLMN. For details see
GSM 02.16 [5] and GSM 03.03 [10]. The IMEI is incorporated in a module which is built within the MS and
is physically secured. The implementation of each individual module shall be carried out by the
manufacturer.
B.1.7 Short message indication and acknowledgement
This feature allows the delivery of short messages to a MS from a service centre. Such messages are
submitted to the service centre by a telecommunications network user who can also request information
of the status of the message by further interrogation of the service centre. The service centre then
transmits the message to an active MS user.
The MS must therefore provide an indication to the user that
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