ISO IEC 23290-2004 Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network (PISN) - Mapping f.pdf
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1、 Reference number ISO/IEC 23290:2004(E) ISO/IEC 2004INTERNATIONAL STANDARD ISO/IEC 23290 Second edition 2004-10-01Information technology Telecommunications and information exchange between systems Private Integrated Services Network (PISN) Mapping functions for the tunnelling of QSIG through H.323 n
2、etworks Technologies de linformation Tlcommunications et change dinformation entre systmes Rseau priv avec intgration de services (PISN) Fonctions dapplication pour lemploi de laction tunnel de QSIG travers les rseaux H.323 ISO/IEC 23290:2004(E) PDF disclaimer This PDF file may contain embedded type
3、faces. In accordance with Adobes 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 infri
4、nging Adobes 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 opti
5、mized 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/IEC 2004 All rights reserved. Unless otherwise specified
6、, 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 ISOs member body in the country of the requester. ISO copyright office Case p
7、ostale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2004 All rights reservedISO/IEC 23290:2004(E) ISO/IEC 2004 All rights reserved iiiContents Page Foreword iv Introduction v 1 Scope 1 2 Conformance . 1
8、3 Normative references . 1 4 Terms and definitions. 2 4.1 External definitions. 2 4.2 Other definitions . 2 4.2.1 Call 2 4.2.2 Channel 3 4.2.3 Inter-PINX Connection (IPC). 3 4.2.4 Inter-PINX Link (IPL) . 3 4.2.5 PINX roles 3 5 List of acronyms . 3 6 Introduction . 4 6.1 Reference configuration. 4 6.
9、2 Specific scenarios. 4 6.3 Relationship with H.323 gateways 5 7 Capabilities at the Q reference point 6 8 Capabilities at the C reference point. 6 9 Mapping functions 7 9.1 General requirements . 7 9.2 Mapping of the D Q -channel 7 9.3 Mapping of the U Q -channel(s) 7 9.3.1 On-demand scenario 7 9.3
10、.2 Semi-permanent scenario 7 10 IPC control procedures 8 10.1 Protocol identification 8 10.2 Registration with gatekeeper. 8 10.3 Systems without gatekeeper . 8 10.4 H.323 call establishment 8 10.4.1 Call admission. 8 10.4.2 Outgoing call establishment 9 10.4.3 Incoming call establishment 9 10.5 Tra
11、nsfer of inter-PINX signalling information 10 10.6 H.323 call clearing. 10 11 Scenario specific procedures 10 11.1 On-demand scenario 10 11.2 Semi-permanent scenario 11 Annex A (normative) Implementation Conformance Statement (ICS) Proforma . 13 Annex B (informative) Examples of message sequences 20
12、 ISO/IEC 23290:2004(E) iv ISO/IEC 2004 All rights reservedForeword 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
13、 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 and non
14、-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information 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/IEC Directives, Part 2. The main
15、task of the joint technical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting
16、 a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. ISO/IEC 23290 was prepared by Ecma International (as ECMA-333) and was adopted, unde
17、r a special “fast- track procedure”, by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 6, Telecommunications and information exchange between systems, in parallel with its approval by national bodies of ISO and IEC. This second edition cancels and replaces the first
18、 edition (ISO/IEC 23290:2002), which has been technically revised. ISO/IEC 23290:2004(E) ISO/IEC 2004 All rights reserved vIntroduction This International Standard is one of a series of standards defining mapping functions in exchanges of Private Integrated Services Networks required for the utiliza
19、tion of intervening network scenarios. The series uses the ISDN concepts as developed by ITU-T (formerly CCITT) and is also within the framework of standards for open systems interconnection as defined by ISO. This particular Standard specifies mapping functions for the type of scenarios where two o
20、r more PINXs are interconnected via on-demand connections using an H.323 packet network as the IVN. The Standard is based upon the practical experience of member companies and the results of their active and continuous participation in the work of ISO/IEC JTC1, ITU-T, ETSI and other international an
21、d national standardization bodies. It represents a pragmatic and widely based consensus. The second edition is fully compatible with the first edition. It specifies one part of the procedures of the optional semi-permanent scenario in more detail. INTERNATIONAL STANDARD ISO/IEC 23290:2004(E) ISO/IEC
22、 2004 All rights reserved 1Information technology Telecommunications and information exchange between systems Private Integrated Services Network (PISN) Mapping functions for the tunnelling of QSIG through H.323 networks 1 Scope This International Standard specifies functions for using an H.323 pack
23、et network in order to interconnect two Private Integrated services Network eXchanges (PINXs) forming part of a Private Integrated Services Network (PISN). Interconnection is achieved by carrying the inter-PINX signalling protocol over the H.323 call signalling channel, making use of the protocol tu
24、nnelling facilities of H.323, and inter-PINX user information (e.g., voice) over logical channels established through H.323. Each logical channel usually represents a unidirectional media stream conveyed by means of the Real-time Transport Protocol (RTP). The inter-PINX signalling protocol is assume
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