ETSI ETS 300 120 ed.1 (1992-11)

Integrated Services Digital Network (ISDN); Service requirements for telefax group 4

DE/NA-012202

Digitalno omrežje z integriranimi storitvami (ISDN) – Storitvene zahteve za faksimilne naprave skupine 4

General Information

• Status: Published
• Publication Date: 30-Nov-1992
• Technical Committee: NA 1 - User Interfaces, Services and Charging
• Current Stage: 12 - Completion
• Due Date: 16-Oct-1992
• Completion Date: 01-Dec-1992
• Ref Project: SIST ETS 300 120 E1:2003 - Integrated Services Digital Network (ISDN); Service requirements for telefax group 4

Standards Content (Sample)

SLOVENSKI STANDARD
SIST ETS 300 120 E1:2003
01-december-2003
Digitalno omrežje z integriranimi storitvami (ISDN) – Storitvene zahteve za
faksimilne naprave skupine 4
Integrated Services Digital Network (ISDN); Service requirements for telefax group 4
Ta slovenski standard je istoveten z: ETS 300 120 Edition 1
ICS:
33.080 Digitalno omrežje z Integrated Services Digital
integriranimi storitvami Network (ISDN)
(ISDN)
SIST ETS 300 120 E1:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ETS 300 120 E1:2003

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SIST ETS 300 120 E1:2003
EUROPEAN ETS 300 120
TELECOMMUNICATION November 1992
STANDARD
Source: ETSI TC-NA Reference: T/NA1(90)02
ICS: 33.080
ISDN, facsimile, service
Key words:
Integrated Services Digital Network (ISDN);
Service requirements for telefax group 4
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 1992. All rights reserved.
New presentation - see History box

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ETS 300 120: November 1992
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

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Contents
Foreword.5
1 Scope .7
2 Normative references .7
3 Symbols and abbreviations.8
4 Telefax group 4 service profile.8
4.1 General.8
4.2 Description .9
5 Service requirements.10
5.1 General.10
5.2 Information suited for transmission .10
5.3 Printable area .10
5.4 Terminal identification . 11
5.5 Receiving telefax documents .12
5.5.1 Description of the call identification line .12
5.5.2 Partially received messages.13
5.5.3 Conditions allowing deletion of a received document from reception
memory. 13
5.6 Transmitting telefax messages.13
5.6.1 Dialling information .13
5.6.2 Terminal identification check between group 4 facsimile terminals .13
5.6.3 Maximum receiving time.13
5.7 Information on the process of document transmission .14
5.7.1 Information on communication logs .14
5.7.1.1 Journal.14
5.7.1.1.1 General .14
5.7.1.1.2 Content of the history book .14
5.7.1.2 Transmission books.15
5.7.2 Journal memory .15
6 Directory enquiry service.15
7 Network interworking and service intercommunication .15
8 Attributes and attribute values .16
8.1 Lower layer attributes.16
8.1.1 Information transfer attributes . 16
8.1.2 Access attributes . 16
8.2 Higher layer attributes .16
8.3 General attributes .16
Annex A (informative): Bibliography.17
History.18

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Foreword
This European Telecommunication Standard (ETS) has been produced by the Network Aspects (NA)
Technical Committee of the European Telecommunications Standards Institute (ETSI).
This ETS sets out arrangements for the international operation of the telefax group 4 teleservice within the
Integrated Services Digital Network (ISDN). The ISDN telefax group 4 teleservice will use standardised
group 4 facsimile terminals, the requirements for which are set out in relevant CCITT Recommendations,
which are referenced within this ETS (see Clause 2 and Annex A).
This ETS covers group 4 - class I facsimile terminals.

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1 Scope
The telefax group 4 teleservice within the Integrated Services Digital Network (ISDN) is an international
service, offered by service providers, enabling subscribers to exchange correspondence either manually or
automatically via telecommunication networks.
Subscribers can communicate by means of group 4 facsimile terminals standardised in accordance with
the appropriate CCITT Recommendations on an international level.
The basic element of the correspondence between people using the service is the page, as the smallest
unit of text treated as an entity. No restrictions shall exist so far as the operator procedures for generation
of the text or the positioning of text within the reproducible area on a page are concerned.
As defined in the appropriate CCITT Recommendations (see Clause 2), there are three classes of group 4
facsimile terminals:
Class I: the minimum requirement for class I is a terminal which is able to send and receive
documents containing facsimile encoded information (in accordance with CCITT
Recommendations T.6 [13], T.503 [1], T.563 [2] and T.400 [10] series).
Class II: the minimum requirement for class II is a terminal which is able to transmit documents
that are facsimile encoded (in accordance with CCITT Recommendations T.6 [13],
T.503 [1] and T.400 [10] series). In addition, the terminal shall be capable of receiving
documents which are facsimile coded (in accordance with CCITT Recommendations
T.6 [13], T.503 [1] and T.400 [10] series), teletex coded (in accordance with the basic
coded character repertoire as defined in CCITT Recommendation T.61 [9]), and also
mixed-mode documents (in accordance with CCITT Recommendations T.501 [11] and
T.400 [10] series).
Class III: the minimum requirement for class III is a terminal which is capable of generating,
transmitting and receiving facsimile coded documents (in accordance with CCITT
Recommendations T.6 [13], T.503 [1] and T.400 [10] series), teletex coded documents
(in accordance with the basic coded character repertoire as defined in CCITT
Recommendation T.61 [9]) and mixed-mode documents (in accordance with CCITT
Recommendations T.501 [11] and T.400 [10] series).
Service requirements contained in this standard take into account group 4 - class I facsimile terminals.
2 Normative references
This standard incorporates, by dated or 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 standard only when incorporated in it by amendment or revision. For undated references the
latest edition of the publication referred to applies.
[1] CCITT Recommendation T.503 (1988): "A document application profile for the
interchange of group 4 facsimile documents".
[2] CCITT Recommendation T.563 (1988): "Terminal characteristics for Group 4
facsimile apparatus".
[3] ETS 300 080 (1992): "Integrated Services Digital Network (ISDN); ISDN lower
layer protocols for telematic terminals".
[4] ETS 300 087 (1991): "Integrated Services Digital Network (ISDN); Facsimile
group 4 class 1 equipment on the ISDN; Functional specification of the
equipment".

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[5] ETS 300 102: "Integrated Services Digital Network (ISDN); User-network
interface layer 3; Specifications for basic call control".
[6] ETS 300 112 (1990): "Integrated Services Digital Network (ISDN); Facsimile
group 4 class 1 equipment on the ISDN; End-to-end protocols".
[7] ETS 300 125: "Integrated Services Digital Network (ISDN); User-network
interface data link layer specification; Application of CCITT Recommendations
Q.920/I.440 and Q.921/I.441".
[8] CCITT Recommendation E.164 (1988): "Numbering plan for the ISDN era".
[9] CCITT Recommendation T.61 (1988): "Character repertoire and coded
character sets for the international teletex service".
[10] CCITT Recommendation T.400 Series (1988): "(Fascicle VII.6) Terminal
equipment and protocols for telematic services".
[11] CCITT Recommendation T.501 (1988): "A document application profile MM for
the interchange of formatted mixed mode document".
[12] CCITT Recommendation F.200 (1988): "Teletex service".
[13] CCITT Recommendation T.6 (1988): "Facsimile coding schemes and coding
control functions for group 4 facsimile apparatus".
3 Symbols and abbreviations
For the purposes of this standard, the following abbreviations apply:
CIL Call Identification Line
LAN Local Area Network
ISDN Integrated Services Digital Network
PABX Private Automatic Branch eXchange
PC Personal Computer
TID Terminal IDentification
4 Telefax group 4 service profile
4.1 General
The telefax group 4 service profile takes account of a number of different types of terminals:
- dedicated facsimile terminals;
- non-dedicated facsimile terminals (e.g. personal computer-based multi-service terminal);
- multi-user system or multi-access systems (e.g. telefax Private Automatic Branch eXchange
(PABX), Local Area Network (LAN)).
A basic level of compatibility is provided between any two terminals, both nationally and internationally, so
that they may communicate image-coded information to each other. This is achieved by requiring that
terminals comply with ETSs 300 080 [3], 300 087 [4] and 300 112 [6].

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It is recognised that some subscribers may need to use their group 4 facsimile terminals to communicate
nationally and internationally using service features that are not included in the basic requirements.
Therefore a number of options, recommended by CCITT, are defined. However, the number of
standardised options is restricted, as shown in subclause 4.2, to those features for which a clear
international need can be foreseen.
The sending terminal shall ensure the transmission of documents using only those options that have been
indicated as being available at the receiving terminal.
4.2 Description
Group 4 facsimile terminals shall provide standardised facsimile transmission with a scanning and printing
device:
- the printer is optional and its provision depends on user needs. However, a telefax group 4 facsimile
terminal shall be able to output a received document to a printer;
- in addition to other conformance testing specifications laid down elsewhere in this standard, since
only the physical presence of the printer is optional, the ability to output a received document to a
printer shall be capable of verification;
- while the scanner is optional, the terminal shall be able to accept input either from a physical
scanner, or from a wire plug-in interface, floppy disc, or LAN, etc.
Concurrent output while receiving is not mandatory. In the case of standardised mode communication, and
provided the printer is available, the terminal shall print out at least the first page of the document as soon
as possible. Additional facilities may be provided on an optional or private mode basis, e.g. to enable the
document to be received into memory and retrieved by use of a password, or re-routed to another
terminal.
In principle, telefax group 4 facsimile terminals for which call numbers are published in directories shall be
continuously available to accept calls.
Secured page-oriented end to end transmission via telematic protocols shall be provided.
Alarm indicators (visual and/or audible) shall be provided in the terminals, to inform users about conditions
that could have an adverse effect on the quality of service.
Where appropriate, the following indicators shall be provided:
a) terminals unable to transmit (e.g. paper jam at transmitting end);
b) terminals unable or soon unable to receive (e.g. paper jam or receiving memory nearly full);
c) operator assistance required;
d) message received in store.
The terminals shall transmit at 64 kbit/s within the ISDN.
The reproduction of the receiving page shall be identical with the original in content, format and layout.
The paper format shall be as provided by CCITT Recommendation T.563 [2], Chapter III.

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Transmission resolution shall be in accordance with the following requirements:
- basic:
- 200 x 200 picture elements/inch (standard value);
- optional:
- 240 x 240 picture elements/inch;
- 300 x 300 picture elements/inch;
- 400 x 400 picture elements/inch.
As a standardised option, the group 4 facsimile terminal can be capable of downward compatibility to
group 3.
A non-dedicated terminal (e.g. a Personal Computer (PC) with facsimile application) shall be capable of
visualising a scanned or converted document in facsimile mode stored previously in memory before
transmission.
The format of a telefax group 4 facsimile Terminal IDentification (TID) shall conform to the format for
terminals of the telematic services (according to CCITT Recommendation F.200 [12]).
The call identification line shall be (unless disabled by the user) printed out locally, but outside of the
information field, on the top or on the bottom of each page of the hard copy.
Facilities shall be provided to clearly indicate to the user the result of each communication process. It is
recommended that this indication is provided by a journal which contains the information in chronological
order (see subclause 5.7).
5 Service requirements
5.1 General
In a telematic service, in which end to end compatibility between terminals is guaranteed and in which the
network only has a transparent transport function during the connection, the terminal features shall cover
the full range of functions needed by the service.
The following subclauses list the service requirements to be fulfilled by terminals. These requirements shall
be implemented by all manufacturers and shall be available in all different systems.
5.2 Information suited for transmission
The transmission of facsimile copies shall not be subject to any restriction concerning the form, the
representation and the content of the message.
5.3 Printable area
A telefax document shall be based on the ISO A4 page.
The basic features of page formats shall be as follows:
a) paper format ISO A4
...