ISO/IEC INTERNATIONAL STANDARD 15055 First edition 1997-05-15 Information technology Telecommunications and information exchange between systems -- Private Integrated Services Network - Specification, functional model and information flows -- Transit counter additional network feature Technologies de l'information --- Telecommunications et échange d'information entre systemes - Reseau prive a integration de services - Specification, modele fonctionnel et flux d'informations - Facilité de réseau additionnelle de compteurde transfert TS Reference number ISO/IEC15055:1997(E) Copyright Intemational Organization for Standardization Not for Resale ISO/IEC 15055:1997 (E) Contents Foreword iv Introduction 1 Scope 1 2 Conformance 1 3 Normative references 1 4 Definitions 2 4.1 External definitions 2 4.2 Other definitions 2 5 List of acronyms 2 6 ANF-TC stage 1 specification 2 6.1Description 2 6.1.1 General description 2 6.1.2 Qualifications on applicability to telecommunication services 2 6.2 Procedure 3 6.2.1 Provision/withdrawal 3 6.2.2 Normal procedures 3 6.2.3 Exceptional procedures 3 6.3 Interaction with other supplementary services and ANFs 3 6.3.1 Calling Line Identification Presentation (SS-CLIP) 3 6.3.2 Connected Line Identification Presentation (SS-COLP) 3 6.3.3 Calling/Connected Line Identification Restriction (SS-CLIR) 3 6.3.4 Calling Name Identification Presentation (SS-CNIP) 3 6.3.5ConnectedNameIdentificationPresentation(SS-CONP) 3 6.3.6 Calling/Connected Name Identification Restriction (SS-CNIR) 3 6.3.7CompletionofCalistoBusySubscriber(SS-CCBS) 3 6.3.8CompletionofCallsonNoReply(SS-CCNR) 3 6.3.9 Call Transfer (SS-CT) 3 6.3.10 Call Forwarding Unconditional (SS-CFU) 3 6.3.11 Call Forwarding Busy (SS-CFB) 4 6.3.12 Call Forwarding No Reply (SS-CFNR) 4 6.3.13 Call Deflection (SS-CD) 4 6.3.14 Path Replacement (ANF-PR) 4 6.3.15 Call Interception (ANF-CINT) 4 6.3.16 Advice of Charge (SS-AOC) 4 6.3.17 Recall (SS-RE) 4 6.3.18 Call Offer (SS-CO) 4 6.3.19 Call Intrusion (SS-CI) 4 @ISO/IEC1997 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 the publisher. ISO/IEC Copyright Office ·Case postale 56·CH-1211 Geneve 20· Switzerland Printed in Switzerland 1i tionrganizationforStandardization No reproduction or networking permited without license from IHS Not for Resale ISO/IEC 15055:1997 (E) @ISO/IEC 6.3.20 Do Not Disturb (SS-DND) 4 6.3.21 Do Not Disturb Override (SS-DNDO) 4 6.4 Interworking considerations 4 6.5 Overall SDL 4 7 ANF-TC stage 2 specification 5 7.1 Functional model 5 7.1.1 Functional model description 5 7.1.2 Description of functional entities 6 7.1.3 Relationship of functional model to basic call functional model 6 7.2 Information flows 6 7.2.1 Definition of information flows 6 7.2.2 Relationship of information flows to basic call information flows 6 7.2.3Examples of information flow sequences 6 7.3 Functional entity actions 7 7.3.1 Functional entity actions of FE1 7 7.3.2 Functional entity actions of FE2 7 7.4 Functional entity behaviour 8 7.4.1 Behaviour of FE1 8 7.4.2 Behaviour of FE2 9 7.5 Allocation of functional entities to physical equipment 10 7.6 Interworking considerations 10 iii Copyright International Organization for Standardization NoreroductionorneworkingpermitedwithoutiensefromIH Not for Resale