BS ISO BRITISH STANDARD 21212:2008 Intelligent transport systems - Communications access for land mobiles (CALM) 2G Cellular systems ICS 03.220.01; 35.240.60 BSi British Standards BS ISO 21212:2008 National foreword ThisBritish Standard is the UK implementation of IS021212:2008 The UK participation in its preparation was entrusted to Technical CommitteeEPL/278, Road transport informatics. A list 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/corrigenda issued since publication was published under the authority of the Standards Policy and Date Comments Strategy Committee on 30 November2008 CBSI2008 ISBN 9780 58055719 4 BS ISO 21212:2008 ISO INTERNATIONAL STANDARD 21212 First edition 2008-11-01 Intelligenttransportsystems Communications access forlandmobiles (CALM) 2G Cellular systems Systemesdetransportintelligents-Accesdecommunicationpour servicesmobilesterrestres(CALM)Systemescellulaires2G Reference number ISO21212:2008(E) @ISO2008 BS ISO 21212:2008 ISO21212:2008(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 downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat 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 parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTEDDOCUMENT ISO2008 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 IsO at the address below or ISO's member body in the country of the requester. ISO copyright office Casepostale56.CH-1211Geneva20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii @Is0 2008-All rights reserved BSISO21212:2008 ISO21212:2008(E) Contents Page Foreword. Introduction 1 Scope 2 Conformance 3 Normative references 4 Termsanddefinitions 5 Abbreviatedterms 6 Requirements. 6.1 Adoptionof otherstandards and internationallyadoptedpractices 6.2 Nonpacket-switchingcellularnetworks. 6.3 CALM architecture.. 6.4 CALM networking protocols.. 6.5 CALMserviceaccesspoints. 6.6 CALM interface manager 6.7 CALM using public wireless networks. 6.8 Establishmentofamediumspecific session.. 6.9 Interface medium management.......... 7 Mediumaccesscontrol(MAC) 7.1 CALM2G/2.5GcellularcommunicationsMMAEserviceprimitives 7.2 CALM2G/2.5GcellularcommunicationsMMAEfunctionality.. 8 Test and conformancerequirements 6 Marking, labelling and packaging .. 10 Declaration ofpatentsand intellectual property. ISO 2008 - All rights reserved ili BSISO21212:2008 ISO 21212:2008(E) Foreword IsO (the International Organization for Standardization) is a worldwidefederation of national standards bodies technical committees.Each member body interested in a subject for which a technical committee has been non-governmental, in liaison with IsO, also take part in the work. Iso collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/lECDirectives,Part2 adopted by the technical committe