ISO/IEC INTERNATIONAL STANDARD 23290 Second edition 2004-10-01 Information technology - Telecommunications and information exchange between systems Private Integrated Services Network (PISN) Mapping functions for the tunnelling of QSIG through H.323 networks Technologies de I'information - Télécommunications et échange d'information entre systemes - Réseau privé avec integration de services (P/SN)Fonctions d'application pour I'emploi de I'action tunnel de QSIG a travers les réseaux H.323 Reference number ISO/IEC 23290:2004(E) IEC Copyright International Organization for Standardization @ISO/IEC2004 ted without license from IHS Not for Resale ISO/IEC 23290:2004(E) PDFdisclaimer 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/IEC2004 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO'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 [email protected] Web www.iso.org Published in Switzerland yemainagazainandardizato @ISO/IEC2004-All rights reserved mittedwithoutlicense from IHS Not for Resale ISO/IEC 23290:2004(E) Contents Page Foreword Introduction 1 Scope 2 Conformance 3 Normative references 4 Terms and definitions 4.1 External definitions.. 4.2 Other definitions 4.2.1 4.2.2 Channel. 4.2.3 Inter-PINX Connection (IPC). 4.2.4 Inter-PINX Link (IPL) 4.2.5 PINX roles .... 5 Listofacronyms 6 Introduction....... 6.1 Reference configuration. 6.2 Specific scenarios. 6.3 Relationship with H.323 gateways 7 Capabilities at the Q reference point . 8 Capabilities at the C reference point.. 9 Mapping functions .... 9.1 General requirements.... 9.2 Mapping of the DQ-channel.. 9.3 Mapping of the UQ-channel(s). 9.3.1 On-demand scenario .. 9.3.2 Semi--permanent scenario .. 10 IPC control procedures 10.1 Protocol identification .. 8 10.2 Registration with gatekeeper.. 10.3 Systems without gatekeeper ... 8 10.4 H.323 call establishment .... 10.4.1 Call admission .. 8 10.4.2 Outgoing call establishment... 10.4.3 Incoming call establishment..... 10.5 Transfer of inter-PINX signalling information 10 10.6 H.323 call clearing .... 10 11 Scenario specific procedures... 10 11.1 Ondemand scenario .... 10 11.2 Semi-permanent scenario ... 11 Annex A (normative) Implementation Conformance Statement (Ics) Proforma Annex B (informative) Examples of message sequences.... Copyrigh International Organizationfrstandardization Allrightsreserved ii ted withoutlicensefromIHS Not for Resale ISO/IEC 23290:2004(E) Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission)formthespecializedsystemforworldwidestandardization.Nationalbodiesthataremembersof ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. IsO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with the rules given in the ISO/l