BS ISO BRITISH STANDARD 24103:2009 Intelligent transport systems - Communications access for land mobiles (CALM) Media adapted interface layer (MAIL) ICS 03.220.01; 35.240.60 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSISO24103:2009 National foreword This British Standard is theUK implementation of ISO24103:2009. The UK participation in its preparation was entrusted to Technical Committee EPL/278, Road transport informatics. Alist of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard Amendments/corrigendaissuedsincepublication was published under the authority ofthe Standards Policy and Strategy Date Comments Committee on 31 August 2009 BSI 2009 ISBN 978 0 580 58757 3 BS ISO 24103:2009 ISO INTERNATIONAL STANDARD 24103 First edition 2009-06-01 Intelligent transport systems Communications access for land mobiles (CALM)Media adapted interface iayer (MAIL) Systemes intelligents de transport-Acces aux communications des servicesmobiles terrestres (CALM)-Couche d'interface adapteeau milieu (MAIL) Reference number ISO 24103:2009(E) O @ISO2009 BS ISO 24103:2009 ISO24103:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTED DOCUMENT ISO 2009 All rights reserved. Unless otherwise specified, 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 either so at the address below or ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 4122 749 0111 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii @ Is0 2009All rights reserved BSISO24103:2009 ISO24103:2009(E) Contents Page Foreword iv Introduction 1 Scope 2 Conformance. 3 Normativereferences.. 4 Terms and definitions.. 5 Symbols and abbreviatedterms 6 Requirements.... 6.1 Structure and operation.. 6.2 Communication controlmethod 7 Extended linkcontrol protocol. 7.1 General...... 7.2 Transmission service control. 7.3 Client/server communication control 7.4 Communication control management. 13 8 Network control protocol.. 15 8.1 General..... 15 8.2 LAN control protocol.. 16 8.3 Local port control protocol.. 19 9 Adaptation... 19 AnnexA(informative) ASN.1definitions 20 AnnexB(informative)Relationship ofprimitives and protocoldataunits(PDU) Bibliography 24 @ ISO 2009 - All rights reserved ili BSISO24103:2009 ISO24103:2009(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through iSO International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2 The main task of technical committees is to prepare International Standards. Draft International Standards International Standard requires approval by at least 75%of the member bodies casting a vote. rights. IsO shall not be held responsible for identifying any or all such patent rights. iv ISO2009-All rights reserved BSISO24103:2009 ISO24103:2009(E) Introduction This International Standard is p