ITU-T A.23-2000 在信息技术方面与国际标准化组织(ISO)和国际电工委员会(IEC)的合作 Collaboration with the International Organization for Standardization (ISO) and the International El

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ITU-T A.23-2000 在信息技术方面与国际标准化组织(ISO)和国际电工委员会(IEC)的合作 Collaboration with the International Organization for Standardization (ISO) and the International El 第 1 页 ITU-T A.23-2000 在信息技术方面与国际标准化组织(ISO)和国际电工委员会(IEC)的合作 Collaboration with the International Organization for Standardization (ISO) and the International El 第 2 页 ITU-T A.23-2000 在信息技术方面与国际标准化组织(ISO)和国际电工委员会(IEC)的合作 Collaboration with the International Organization for Standardization (ISO) and the International El 第 3 页 ITU-T A.23-2000 在信息技术方面与国际标准化组织(ISO)和国际电工委员会(IEC)的合作 Collaboration with the International Organization for Standardization (ISO) and the International El 第 4 页 ITU-T A.23-2000 在信息技术方面与国际标准化组织(ISO)和国际电工委员会(IEC)的合作 Collaboration with the International Organization for Standardization (ISO) and the International El 第 5 页
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INTERNATIONAL TELECOMMUNICATION UNION A.23 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (10/2000) SERIES A: ORGANIZATION OF THE WORK OF ITU-T Collaboration with the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC) on information technology ITU-T Recommendation A.23 (Formerly CCITT Recommendation) ITU-T Recommendation A.23 Collaboration with the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC) on information technology Source ITU-T Recommendation A.23 was prepared by TSAG (1997-2000) and approved by WTSA (27 September – 6 October 2000). ITU-T A.23 (10/2000) i FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-T's purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression "Administration" is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. ã ITU 2001 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from ITU. ii ITU-T A.23 (10/2000) Recommendation A.23 Collaboration with the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC) on information technology (Helsinki, 1993 amended at Geneva 1996, Montreal, 2000) The WTSA, considering a) the purposes of the International Telecommunication Union set forth in Article 1 of its Constitution (Geneva, 1992) relating to the harmonization of telecommunication facilities; b) the duties of the Telecommunication Standardization Sector (Chapter III of the Constitution, Geneva, 1992) of the International Telecommunication Union; c) Resolution 7 (Geneva, 1996) recognizes common interests with ISO and IEC concerning telecommunication and information technologies as well as some other topics and cooperation with them by appropriate means, decides 1 that in accordance with Resolution 7, every effort should be made in establishing respective study programmes to identify overlapping studies with a view to avoiding duplication of work; 2 that for those subjects in the fields of information technology including data transmission, multimedia, open system communications and telematic services, etc., where there is a common interest and where it is agreed that coordination is desirable, then text should be drawn up mutually and kept aligned; 3 that in carrying on the respective studies, collaborative meetings at appropriate levels should be scheduled, where necessary. In drafting aligned text, it is necessary to take into account the respective timing for approvals and publication, particularly with the ISO/IEC Joint Technical Committee 1 (JTC 1) on Information Technology. A Guide for ITU-T and ISO/IEC JTC 1 Cooperation is given in Annex A, which contains a set of procedures for cooperation between the two sides. These procedures, which have also been adopted by ISO/IEC JTC 1, should be used, with flexibility, according to need. The "Rules for presentation of ITU-T | ISO/IEC common text"1 in Annex A should be respected in the drafting of common texts. ____________________ 1 The Guide is published as a separate booklet and is available from TSB. ITU-T A.23 (10/2000) 1

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