ISO INTERNATIONAL STANDARD 21992 First edition 2003-06-01 Information technology - Telecommunications and information exchange between systems Private Integrated Services Network - Mapping functions for the tunnelling of QsiG through IP networks Technologies de I'information - Télécommunications et échange d'information entre systemes - Réseau privé a intégration de services—Tracé defonctions pourle《tunnelling》de QSiG par des réseauxIP Reference number ISO/IEC 21992:2003(E) TSO TEC @ ISO/IEC 2003 Not for Resale ISO/IEC 21992:2003(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, IsO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 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 21992:2003(E) Contents Page Foreword. iv Introduction. V 1 Scope.. 2 Conformance .. 3 Normative references 4 Terms and definitions... 4.1 External definitions.... 4.2 Other definitions .... 5 List of acronyms 6 6.1 Reference configuration. 6.2 Specific scenarios... 7 Capabilities at the Q reference point 8 Capabilities at the C reference point. 8.1 TcP connection... 8.2 9 Mapping functions ... 9.1 Mapping the DQ-channel. 9.2 Mapping a Uq-channel... 10 IPC control functions... 10.1 Procedure for Uq-channel establishment. 10.2 Procedure for U-channel clearing .. Annex A (informative) Implementation Conformance Statement (Ics) Proforma . A.1 Introduction.... 8 A.2 Instructionsforcompletingtheicsproforma.. 8 A.2.1 General structure of the Ics proforma .. A.2.2 Additional information.. 9 A.2.3 Exception information... A.3 ICS proforma for ISO/IEC 21992. 10 A.3.1 Implementation identification .. A.3.2 Implementation summary... 10 A.4 Generalrequirements. A.5 U-channel bearer capabilities at the Q reference point. 11 A.6 Dq-channel capability at the Q reference point... 11 A.7 Capabilities at the C reference point.... 11 A.8 Mapping functions ... 11 A.9 IPC control functions... 12 A.10 Support of resource control information.... 12 A.10.1 Support of bearer capabilities information ... 12 A.10.2 Support of IP address type ...... 12 Annex B (normative) Message syntax for Resource Control Information . 13 B.1 Introduction .... 13 B.2 Message syntax.. 13 B.2.1 Resource control header. 13 B.2.2 Protocol indicator..... 13 B.2.3 Resource control information.. 13 CopyrghtIntemationalOrganzaandardationAll rightsreseved ili nse from IHS Not for Resale ISO/IEC 21992:2003(E) Foreword Iso (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of 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 technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are d