ISO/IEC TECHNICAL REPORT TR 12861 First edition 2009-04-15 Information technology - Telecommunications and information exchange between systems Next Generation Corporate Networks (NGCN) Identification and routing Technologies de I'information - Télecommunications et échange d'information entre systemes - Réseaux d'entreprise de prochaine generation (NGCN) Identification et routage Reference number ISO/IEC TR 12861:2009(E) IEC @ISO/IEC2009 by IHS under ted without license from IHS Not for Resale ISO/IEC TR12861:2009(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 downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The iso Central Secretariat 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 COPYRIGHT PROTECTED DOCUMENT ISO/IEC2009 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 ISsO's member body in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland Copyrgh Interatinal Oorganization for Standardization @ISO/IEC2009-All rights reserved I without license from IHS Not for Resale ISO/IEC TR 12861:2009(E) Contents Page Foreword .iv Introduction 1 Scope 2 Normative references. 3 Terms and definitions . 3.1 External definitions ... 3.2 Other definitions.... 4 Abbreviated terms.. 3 5 Background. 6 Identified entities . 7 Types of identifier.. 7.1 SIP, SIPS and TEL URIs as user identifiers (AoRs) ..... 7.1.1 Use of E.164 numbers ... 7.1.2 Private numbers formatted as telephone-subscriber strings.. 10 7.1.3 Email-style SIP URls.... 11 7.2 Dial strings .... 7.3 Service identifiers 13 7.4 Device identifiers.... 13 8 Routing.... 14 8.1 General routing principles...... 14 8.2 Routing to the enterprise domain.. 8.3 Routing to the home server within the enterprise domain .. 15 8.4 Roaming considerations.... 16 9 Identification delivery and restriction . 17 9.1 Identification delivery.... 9.2 Authenticity. 17 9.3 Restriction.. 18 10 Summary of requirements and standardisation gaps. 19 10.1 Requ.irements on NGNs ...... 19 10.2 Requirements on enterprise networks.... 10.3 Standardisation gaps ..... 20 Copyright IntemationalOoganzainrsandadzation All rights reseved ii ted withoutlicensefrom IHS Not for Resale