ISO/IEC INTERNATIONAL STANDARD 13873 Second edition 2003-04-01 Information technology - Telecommunications and information exchange between systems Private Integrated Services Network - Inter-exchange signalling protocol - Call Diversion supplementary services Technologies de I'information - Téleécommunications et échange d'information entre systemes - Réseau prive a integration de services-Protocole de signalisation d'interechange - Services supplémentairesdediversion Reference number ISO/IEC 13873:2003(E) TSO TEC ISO/IEC2003 se from IHS Not for Resale ISO/IEC13873:2003(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 ted without license from IHS Not for Resale ISO/IEC 13873:2003(E) Contents Foreword 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 3 4.2.1 Activating PINX 3 4.2.2 Busy 3 4.2.3 Connected number 3 4.2.4 Deactivating PINX 3 4.2.5 Diversion 3 4.2.6 Diverted-to number 3 4.2.7 Diverted-to PINX 3 4.2.8 Diverted-to user 3 4.2.9 Diverting cause 3 4.2.10 Diverting number 3 4.2.11 Forwarding 3 4.2.12 Forward switching 3 4.2.13 Interrogating PINX 3 4.2.14 Last diverting user 3 4.2.15 Original called number 3 4.2.16 Original called user 3 4.2.17 Partial rerouteing 4 4.2.18 Presentation indicator 4 4.2.19 Rerouteing 4 4.2.20 Rerouteing PINX 4 4.2.21 Served user 4 4.2.22 User A 4 4.2.23 User B 4 4.2.24 User B1, user B2, user B3, etc. 4 4.2.25 User C 4 5 Acronyms 4 6 Signalling protocol for the support of SS-DIV 5 6.1 SS-DIV description 5 6.2 SS-DIV operational requirements 5 6.2.1 Provision/withdrawal 5 6.2.2 Requirements on the Originating PINX 9 6.2.3 Requirements on the Served User PINX 6 6.2.4 Requirements on the Diverted-to PINX 6 6.2.5 Requirements on the Rerouteing PINX 6 6.2.6 Requirements on a Transit PINX 6 6.2.7 Requirements on the Activating PINX 7 6.2.8 Requirements on the Deactivating PINX 7 6.2.9 Requirements on the Interrogating PINX 7 @ ISO/IEC 2003 - All rights reserved ii Not for Resale ISO/IEC 13873:2003(E) 6.3 SS-DIV coding requirements 7 6.3.1 Operations 7 6.3.2 Information elements 14 6.3.3 Messages 14 6.4 SS-DIV state definitions 14 6.4.1 States at the Originating PINX 14 6.4.2 States at the Served User PINX 14 6.4.3 States at the Diverted-to PINX 15 6.4.4 States at the Rerouteing PINX 15 6.4.5 States at the Activating PINX 15 6.4.6 States at the Deactivating PINX 15 6.4.7 States at the Interrogating PINX 15 6.5 SS-DIV Signalling procedures 15 6.5.1 Actions at the Originating PINX 15 6.5.2 Actions at a Transit PINX 16 6.5.3 Actions at the Served User PINX 16 6.5.4 Actions at the Rerouteing PINX 19 6.5.5 Actions at the Diverted-to PINX 21 6.5.6 Actions at the A