ISO/IEC INTERNATIONAL STANDARD 14841 First edition 1996-09-15 Information technology - Telecommunications and information exchange between systems Private Integrated Services Network - Specification, functional model and information flows -- Call offer supplementary service Technologies de I'information -- Telecommunications et échange d'informationentresystemes--Reseaupriveaintegrationdeservices Spécification, modele fonctionnel et débit d'information -Service supplémentaire d'offre d'appel IEC Referencenumber ISO/IEC 14841:1996(E) ISO/IEC14841:1996 (E) Contents iv Foreword v Introduction 1 1 Scope 1 2Conformance 1 3 Normative references 2 4 Definitions 2 4.1 External definitions 3 4.2 Other definitions 3 5 List of acronyms 4 6 SS-CO stage 1 specification 4 6.1 Description 4 6.1.1 General description 4 6.1.2 Qualifications on applicability to telecommunication services 4 6.2Procedurcs 4 6.2.1 Provision/withdrawal 4 6.2.2 Normal procedures 5 6.2.3 Exceptional procedures 5 6.3 Interactions with other supplementary services and ANFs 5 6.3.1 Calling Line Identification Presentation (SS-CLIP) 5 6.3.2 Connected Line Identification Presentation (SS-COLP) 5 6.3.3 Calling/Connected Line Identification Restriction (SS-CLIR) 5 6.3.4 Calling Name Identification Presentation (SS-CNIP) 5 6.3.5 Connected Name Identification Presentation (SS-CONP) 9 6.3.6 Calling/Connected Name Identification Restriction (SS-CNIR) 6 6.3.7 Completion of Calls to Busy Subscriber (SS-CCBS) 6 6.3.8 Completion of Calis on No Repiy (SS-CCNR) 6 6.3.9 Call Transfer (SS-CT) 6 6.3.10 Call Forwarding Unconditional (SS-CFU) 6 6.3.11 Call Forwarding Busy (SS-CFB) 6 6.3.12 Call Forwarding No Reply (SS-CFNR) 6 6.3.13 Call Deflection (SS-CD) 6 6.3.14 Path Replacement (ANF-PR) 9 6.3.15 Do Not Disturb (SS-DND) 7 6.3.16 Do Not Disturb Override (SS-DNDO) 7 6.3.17 Call Intrusion (SS-CI) 7 6.4 Interworking considerations @ISO/IEC1996 by any means, clectronic or mechanical, including photocopying and microfim, without per- mission in writing from the publisher. ISO/IEC Copyright Office * Case Postale 56 * CH-1211 Geneve 20 * Switzerland Printed in Switzerland ii ISO/IEC14841:1996 (E) CISO/IEC 7 6.5 Overall SDL 12 7 SS-CO stage 2 specification 12 7.1 Functional model 12 7.1.1 Functional model description 13 7.1.2 Description of functional entities 13 7.1.3 Relationship of functional model to basic call functional model 14 7.2 Information flows 14 7.2.1 Definition of information flows 15 7.2.2 Relationship of information flows to basic call information flows 16 7.2.3 Examples of information flow sequences 26 7.3 Functional entity actions 26 7.3.1 Functional entity actions of FE1 26 7.3.2 Functional entity actions of FE2 26 7.4 Functional entity behaviour 26 7.4.1 Behaviour of FE1 33 7.4.2 Behaviour of FE2 36 7.5 Allocation of functional entities to physical equipment 36 7.6 Interworking considerations ili