ISO/IEC INTERNATIONAL STANDARD 13865 Second edition 2003-04-01 Information technology - Telecommunications and information exchange between systems Private Integrated Services Network - Specification, functional model and information flows Call Transfer supplementary service Technologies de l'information - Télécommunications et échange d'information entre systemes-Réseau prive a integration de services - Spécification, modele fonctionnel et flux d'informations - Service supplémentaire de transfert d'appel Reference number ISO/IEC 13865:2003(E) IEC TSO @ISO/IEC 2003 Not for Resale ISO/IEC13865:2003(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 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. ?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 Case postale 56. CH-1211 Geneva 20 Tel. + 4122 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland yationagazaiSandardizatio @ ISO/IEC 2003-Allrights reserved itted without license from IHS Not for Resale ISO/IEC 13865:2003(E) Contents Foreword v Introduction vi 1 Scope 1 2 Conformance 1 3 Normative references 1 4 Terms and definitions 2 4.1 External definitions 2 4.2 Other definitions 2 4.2.1 Additional network feature 22 4.2.2 Alerting 4.2.3 Answered 3 4.2.4 Call, basic call 3 4.2.5 Primary call 3 4.2.6 Secondary call 3 4.2.7 TransferbyJoin 3 4.2.8 Transfer by rerouteing 3 4.2.9 User A 3 4.2.10 User B 3 4.2.11 User C 3 5 Acronyms 3 6 SS-CT stage 1 specification 4 6.1 Description 4 6.1.1 General description 4 6.1.2 Qualifications on applicability to telecommunications services 4 6.2 Procedures 4 6.2.1 Provision/withdrawal 4 6.2.2 Normal procedures 4 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) 5 6.3.6 Calling/connected Name Identification Restriction (SS-CNIR) 5 6.3.7 Completion of Calls to Busy Subscribers (SS-CCBS) 5 6.3.8 Completion of Calls on No Reply (SS-CCNR) 5 6.3.9 Call Forwarding Services 6 6.3.10 Path Replacement (ANF-PR) 6 6.4 Interworking considerations 6 6.4.1 User B and/or User C in another network 6 6.4.2 User A in another network 6 6.5 Overall SDL 6 @ ISO/IEC 2003 --All rights reserved ili Not for Resale ISO/IEC 13865:2003(E) 7 SS-CT stage 2 specification for transfer by join 8 7.1 Functional model 8 7.1.1 Functional model description 8 7.1.2 Description of functional entities 8 7.1.3 Relationship of functional model to Basic Call functional model 9 7.2 Information flows 10 7.2.1 Definition of information flows 10 7.2.2 Relationship of information flows to basic call information flows 12 7.2.3 Examples of information flow sequences 12 7.3 Functional Entity actions 15 7.3.1 Functional Entity actions of FE1 15 7.3.2 Functional E