ISO/IEC INTERNATIONAL STANDARD 15431 Second edition 2003-04-01 Information technology Telecommunications and information exchange between systems Private Integrated Services Network Inter-exchange signalling protocol - Wireless terminal call handling additional network features Technologiesdel'informationTélecommunicationsetéchange d'informationentresystemesReseauprivea integrationde servicesProtocoledesignalementd'interechange- -Caracteristiques de réseauadditionnellespourletraitementd'appeldeterminal sansfil Reference number ISO/IEC 15431:2003(E) TSO @ISO/EC2003 ISO/IEC15431:2003(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 shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In 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. ?ISO/IEC2003 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 copyright@iso.org Web www.iso.org Published in Switzerland ?ISO/IEC2003 ISO/IEC 15431:2003(E) Contents Foreword vi Introduction vii 1 Scope 1 2 Conformance 1 3 Normative references 1 4 Terms and definitions 2 4.1 External definitions 2 4.2 Other definitions 3 4.2.1 Alternative identifier 3 4.2.2 Home data base (HDB) 3 4.2.3 Home PINX 3 4.2.4 Rerouteing PINX 3 4.2.5 Visitor data base (VDB) 3 4.2.6 Visitor PINX 3 4.2.7 WTMI-detect PINX 3 5 Symbols and abbreviated terms 4 6 Signalling protocol for the support of ANF-WTMI 4 6.1 ANF-WTMI description 4 6.2 ANF-WTMI operational requirements 5 6.2.1 Requirements on the Rerouteing PINX 5 6.2.2 Requirements on the WTMI-detect PINX 5 6.2.3 5 Requirements on the Home PINX 6.2.4 Requirements on the Visitor PINX 5 6.2.5 Requirements on a Transit PINX 5 6.3 ANF-WTMI coding requirements 9 6.3.1 Operations 6 6.3.2 Information elements 8 6.3.3 Messages 9 6.4 ANF-WTMI state definitions 9 6.4.1 States at the Rerouteing PINX 9 6.4.2 States at the WTMI-detect PINX 9 6.4.3 States at the Home PINX 9 6.4.4 States at the Visitor PINX 9 6.5 ANF-WTMI signalling procedures for invocation and operation 9 9 6.5.1 Actions at the Rerouteing PINX 6.5.2 Actions at the WTMI-detect PINX 10 6.5.3 Actions at the Home PINX 11 6.5.4 Actions at the Visitor PINX 12 6.5.5 Actions at a Transit PINX 12 6.5.6 Actions at an Originating PINX 12 6.6 ANF-WTMI impact of interworking with public ISDNs 12 6.7 13 ANF-WTMI impact of interworking with non-ISDNs 6.8 Protocol interactions between ANF-WTMI and other supplementary services and ANFs 13 @ISO/IEC2003. --All rights reserved ili