ISO/IEC INTERNATIONAL STANDARD 23289 First edition 2002-12-15 Information technology - Telecommunications and information exchange between systems Corporate telecommunication networks : Signalling interworking between QSIG and H.323 — Basic services Technologies de I'information - Télecommunications et échange d'information entre systemes Réseaux de telécommunications corporatifs - Interaction de signalisation entre QSIG et H.323 - Services de base Reference number ISO/IEC 23289:2002(E) Tso TEC @ISO/IEC2002 by IHS under I without license from IHS Not for Resale ISO/IEC 23289:2002(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/IEC2002 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 ISO/IEC2002-Allrightsreserved ed without license from IHS Not for Resale ISO/IEC 23289:2002(E) Contents Foreword Introduction vi 1 Scope 1 2 Conformance 1 3 Normative references 1 4 Definitions 2 4.1 External definitions 2 4.2 Other definitions 2 4.2.1 Gateway 2 4.2.2 IP network 2 4.2.3 Ring-back tone 2 5 Acronyms 2 6 Architecture 3 7 General requirements 4 8 Message mapping requirements 4 8.1 Message validation and handling of protocol errors 4 8.2 CallestablishmentfromQSIGtoH.323 5 8.2.1 Call establishment from QSIG to H.323 using admission procedures 5 8.2.2 Call establishment from QSIG to H.323 without admission procedures 8 8.3 Call establishment from H.323 to QSIG 11 8.3.1 Receipt of an H.225.0 SETUP message 11 8.3.2 Additional messages relating to overlap sending 12 8.3.3 Receipt of a QSIG CALL PROCEEDING message 12 8.3.4 Receipt of a QSIG ALERTING message 12 8.3.5 Receipt of a QSIG CONNECT message 12 8.4 PROGRESS messages and Progress indicator information elements 13 8.4.1 Receipt of a Progress indicator information element in a QSIG message 13 8.4.2 Receipt of a Progress indicator information element in an H.225.0 message 13 8.4.3 Transmission of Progress indicator information element in support of gateway-provided ring-back tone 13 8.5 Call clearing 13 8.5.1 Call clearing initiated by QSIG 13 8.5.2 Call clearing initiated by H.323 13 9 Numbering requirements 13 9.1 Supported numbering plans and types of number 13 9.2 Mapping numbers from QSIG to H.323 14 9.3 Mapping numbers from H.323 to QSIG 14 9.4 Handling of presentation and screening indicators 15 9.5 Handling of subaddresses 15 10 Security requirements 15 aainAll rights reeed ii ed without license from IHS Not for Resale ISO/IEC 23289:2002(E) 11 Requirements for support of basic services 15 11.1 Calls from QSIG to H.323 16 11.2 Calls from H.323 to QSIG 16 12 Media channel establishment 17 13 Requirements for the support of group 3 fax in accordance with H.323 annex D 17 13.1 Start of fax transmission 17 13.2 End of fax transmission 18 14 Requirements for the support of DTMF 18 15 Requirements for the provision of ring-back tone 18 Annexes A - Implementation Conformance Statement (ICS) proforma 19 B - Example message sequences 34 @ ISO/IEC 2002 - All rights reserved etworking