DIN ETS 300678-1997 Integrated Services Digital Network (ISDN) - Videoconference teleservice - Service description English version ETS 300678 1996《综合服务数字网(ISDN) 电视会议 电信服务 服务说明》.pdf
《DIN ETS 300678-1997 Integrated Services Digital Network (ISDN) - Videoconference teleservice - Service description English version ETS 300678 1996《综合服务数字网(ISDN) 电视会议 电信服务 服务说明》.pdf》由会员分享,可在线阅读,更多相关《DIN ETS 300678-1997 Integrated Services Digital Network (ISDN) - Videoconference teleservice - Service description English version ETS 300678 1996《综合服务数字网(ISDN) 电视会议 电信服务 服务说明》.pdf(27页珍藏版)》请在麦多课文档分享上搜索。
1、STD-DIN DIN ETS 30b7-GERM 1977 m 279444b Obb7580 721 I DEUTSCHE NORM November 1997 - I ETS 300678 ISDN Teledienst “Videokonferenz” Dienstbeschreibung Enalische Fassuna ETS 300678 : 1996 ICs 33.080; 33.160.60 Deskriptoren: Telekommunikation, ISDN, Teledienst, Videokonferenz, Beschreibung Integrated S
2、ervices Digital Network (ISDN) - Videoconference teleservice - Service description; English version ETS 300678 : 1996 Die Europische Telekommunikationsnorm ETS 300678 : 1996 hat den Status einer Deutschen Norm. Nationales Vorwort Die vorliegende Norm ist auf der Grundlage der vom Europischen Institu
3、t fr Telekommunikationsnormen (ETSI) herausgegebenen Europischen Telekommunikationsnorm ETS 300678, Ausgabe November 1996, “Integrated Services Digital Network (ISDN) - Videoconference teleservice - Service description”, verffentlicht worden. Diese Norm enthlt unter Bercksichtigung des DIN-Prsidialb
4、eschlusses 13/1983 den englischen Originaltext der vom Technischen Unterkomitee TE 4 des ETSI erarbeiteten ETC 300678. Fachlich zustndig in Deutschland ist das Unterkomitee 723.3 “Telekommunikationsendgerte” der Deutschen Elektrotechnischen Kommission im DIN und VDE (DKE). Fortsetzung 27 Seiten ETS-
5、Original Deutsche Elektrotechnische Kommission im DIN und VDE (DKE) 0 DIN Deutsches Institut fr Normung e.V. . Jede Art der Vervielfltigung, auch auszugsweise, Alleinverkauf der Normen durch Beuth Verlag GmbH. 10772 Berlin nur mit Genehmigung des DIN Deutsches Institut fr Normung e.V., Berlin, gesta
6、ttet. Ref. Nr. DIN ETS 300678 : 1997-11 Preisgr. 11 Verir.-Nr. 1711 STD.DIN DIN ETS 300b7-GERM 1997 27944qb Obb45L bbd t UROPEAN lr 1 ELECOMMUNICATION STANDARD ETS 300 678 November 1996 I Source: ETSI TC-TE Reference: DEITE-04030 ICs: 33.080 Key words: Conference, ISDN, stage 1, video Integrated Ser
7、vices Digital Network (ISDN); Videoconference teleservice; Service description ETSI European Telecommunications Standards Institute ETSI Secretariat Postal address: F-O6921 Sophia Antipolis CEDEX - FRANCE Ofice address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE X.400: c=fr, a=atl
8、as, p=etsi, c=secretariat - Internet: secretariatetsi.fr Tel.: +33 4 92 94 42 O0 - 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. O European Telecomm
9、unications Standards Institute 1996. All rights reserved. STD.DIN DIN ETS 300b7A-GERM 1777 277l(l(L(b Ob70332 77T Page 2 ETS 300 678: November 1996 , Whilst every care has been taken in the preparation and publication of this document, errors in content, typographical or otherwise, may occur. If you
10、 have comments concerning its accuracy, please write to “ETSI Editing and Committee Support Dept.“ at the address shown on the title page. STD-DIN DIN ETS 300b78-GERM 1997 m 279944b Ob69582 5T4 Page 3 ETS 300 678: November 1996 Contents Foreword . 5 1 2 3 4 5 6 7 a 9 io Scope 7 Normative references
11、7 Definitions 8 Abbreviations . 10 Description 10 Procedures 10 6.2 Normal procedures 11 Varying the Bchannel number during the conference 12 Terminating the conference 12 6.1 Provision and withdrawal . 10 6.2.1 Originating the call (call establishment) . 11 6.2.2 Indications during call establishme
12、nt . 12 6.2.3 6.2.4 6.2.4.1 Point-to-point conference 12 6.2.4.2 Multipoint conference . 12 Change of communication mode 12 6.2.5 6.2.6 Multipoint control . 13 6.2.7 Data communication . 13 6.3 Exceptional procedures . 13 Situations at the called user side . 13 Situations due to network conditions .
13、 13 Retention of call information 13 Failure of additional calls . 14 6.3.1 6.3.2 6.3.3 6.3.4 6.3.5 Situations at the calling user side 13 Intercommunication and interworking . 14 7.2 Fall-back procedures . 14 Restricted network operation . 15 7.1 Normal operation . 14 7.2.1 Fall-back to the telepho
14、ny 3, 1 kHz teleservice 14 7.2.2 Interworking with non-ISDNs . 15 Interworking with private ISDNs . 15 7.3 7.4 Special use of supplementary services . 15 Static description of the service using attributes . 16 9.1 16 9.2 Access attributes . 9.3 High layer attributes 17 17 9.4 General attributes Low
15、layer attributes 16 . Encryption 18 Annex A (informative): Various functionalities of the complete “videoconference service“ 19 A.l Overall description 19 A.2.1 Point-to-point configuration 19 Switched video multipoint configuration . 20 . 19 A.2 Videoconference configurations A.2.2 Page 4 ETS 300 6
16、78: November 1996 A.2.3 Multipoint configuration with picture composition 20 A.3 Conference Set-up mode 21 Annex B (informative): Applicability of supplementary services to the videoconference teleservi ce 22 B.l Hold, Transfer and Portability . 22 8.2 B.3 Multiparty supplementary services . 22 Supp
17、lementary services applicable without restriction . 22 B.4 Supplementary services applicable with restriction 22 Annex C (informative): Relation between standards and recommendations relevant for the videoconference service 24 Annex D (informative): Bibliography . 25 History . 27 STD-DIN DIN ETS 300
18、b78-GERM 1997 = 277444b Obb9584 377 II Page 5 ETS 300 678: November 1996 Foreword This European Telecommunication Standard (ETS) has been produced by the Terminai Equipment (TE) Technical Committee of the European Telecommunications Standards Institute (ETSI). Transposition dates Date of adoption of
19、 this ETS: Date of latest announcement of this ETS (doa): 25 October 1996 28 February 1997 Date of latest publication of new National Standard or endorsement of this ETS (dop/e): 31 August 1997 Date of withdrawal of any conflicting National Standard (dow): 31 August 1997 STD-DIN DIN ETS 300b78-GERM
20、1997 Y 27944qb Obb958.5 203 Page 7 ETS 300 678: November 1996 1 Scope This European Telecommunication Standard (ETS) defines the stage one of the videoconference teleservice for the pan-European Integrated Services Digital Network (ISDN) as provided by European public telecornmunications operators.
21、Stage one is an overall service description from the users point of view (see CCITT Recommendation 1.130 in annex D), but does not deal with the details of the human interface itself. The videoconference teleservice applies to point-to-point communications established between either two terminals or
22、 one terminal and a Multipoint Control Unit (MCU). The “conference service“ provided by a MCU is outside the scope of this ETS. Related information may be found in informative annexes A and B of this ETS, and also in ITU-T Recommendation F.730 (see annex D). This ETS defines the interworking require
23、ments of private ISDNs with the public ISDN. In addition, this ETS specifies the base requirements where the service is provided to the user via a private ISDN. This ETS does not specify the additional requirements where the service is provided to the user via a telecommunications network that is no
24、t an ISDN but does include interworking requirements of other networks with the public ISDN. Charging principles are outside the scope of this ETS. The values of the general attributes are outside the scope of this ETS. The videoconference teleservice is a real-time teleservice in which high quality
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