CAN CSA-ISO IEC 21992-2004 Information technology Telecommunications and information exchange between systems Private Integrated Services Network Mapping functions for the tunnelli.pdf

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1、 Reference numberISO/IEC 21992:2003(E)ISO/IEC 2003Information technology Telecommunications and information exchange between systems Private Integrated Services Network Mapping functions for the tunnelling of QSIG through IP networks Technologies de linformation Tlcommunications et change dinformati

2、on entre systmes Rseau priv intgration de services Trac de fonctions pour le tunnelling de QSIG par des rseaux IP National Standard of CanadaCAN/CSA-ISO/IEC 21992:04(ISO/IEC 21992:2003)International Standard ISO/IEC 21992:2003 (first edition, 2003-06-01) has been adopted withoutmodification (IDT) as

3、 CSA Standard CAN/CSA-ISO/IEC 21992:04, which has been approved as a NationalStandard of Canada by the Standards Council of Canada.ISBN 1-55397-718-1 December 2004The Canadian Standards Association (CSA), under whose auspices this National Standard has been produced, was chartered in 1919 and accred

4、ited by the Standards Council of Canada to the National Standards system in 1973. It is a not-for-profit, nonstatutory, voluntary membership association engaged in standards development and certification activities. CSA standards reflect a national consensus of producers and users including manufact

5、urers, consumers, retailers, unions and professional organizations, and governmental agencies. The standards are used widely by industry and commerce and often adopted by municipal, provincial, and federal governments in their regulations, particularly in the fields of health, safety, building and c

6、onstruction, and the environment. Individuals, companies, and associations across Canada indicate their support for CSAs standards development by volunteering their time and skills to CSA Committee work and supporting the Associations objectives through sustaining memberships. The more than 7000 com

7、mittee volunteers and the 2000 sustaining memberships together form CSAs total membership from which its Directors are chosen. Sustaining memberships represent a major source of income for CSAs standards development activities. The Association offers certification and testing services in support of

8、and as an extension to its standards development activities. To ensure the integrity of its certification process, the Association regularly and continually audits and inspects products that bear the CSA Mark. In addition to its head office and laboratory complex in Toronto, CSA has regional branch

9、offices in major centres across Canada and inspection and testing agencies in eight countries. Since 1919, the Association has developed the necessary expertise to meet its corporate mission: CSA is an independent service organization whose mission is to provide an open and effective forum for activ

10、ities facilitating the exchange of goods and services through the use of standards, certification and related services to meet national and international needs.For further information on CSA services, write toCanadian Standards Association5060 Spectrum Way, Suite 100Mississauga, Ontario, L4W 5N6Cana

11、daThe Standards Council of Canada is the coordinating body of the National Standards system, a federation of independent, autonomous organizations working towards the further development and improvement of voluntary standardization in the national interest. The principal objects of the Council are t

12、o foster and promote voluntary standardization as a means of advancing the national economy, benefiting the health, safety, and welfare of the public, assisting and protecting the consumer, facilitating domestic and international trade, and furthering international cooperation in the field of standa

13、rds. A National Standard of Canada is a standard which has been approved by the Standards Council of Canada and one which reflects a reasonable agreement among the views of a number of capable individuals whose collective interests provide to the greatest practicable extent a balance of representati

14、on of producers, users, consumers, and others with relevant interests, as may be appropriate to the subject in hand. It normally is a standard which is capable of making a significant and timely contribution to the national interest. Approval of a standard as a National Standard of Canada indicates

15、that a standard conforms to the criteria and procedures established by the Standards Council of Canada. Approval does not refer to the technical content of the standard; this remains the continuing responsibility of the accredited standards development organization. Those who have a need to apply st

16、andards are encouraged to use National Standards of Canada whenever practicable. These standards are subject to periodic review; therefore, users are cautioned to obtain the latest edition from the organization preparing the standard.The responsibility for approving National Standards of Canada rest

17、s with theStandards Council of Canada270 Albert Street, Suite 200Ottawa, Ontario, K1P 6N7CanadaAlthough the intended primary application of this Standard is stated in its Scope, it is importantto note that it remains the responsibility of the users to judge its suitability for their particular purpo

18、se.Registered trade-mark of Canadian Standards AssociationCAN/CSA-ISO/IEC 21992:04Information technology Telecommunications and informationexchange between systems Private Integrated Services Network Mapping functions for the tunnelling of QSIG through IP networksDecember 2004 Canadian Standards Ass

19、ociation CSA/1CAN/CSA-ISO/IEC 21992:04Information technology Telecommunications and information exchange between systems Private Integrated Services Network Mapping functions for the tunnelling of QSIG through IP networksCSA PrefaceStandards development within the Information Technology sector is ha

20、rmonized with international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the Canadian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC),

21、 the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T).This International Standard was reviewed by

22、 the CSA TCIT under the jurisdiction of the Strategic Steering Committee on Information Technology and deemed acceptable for use in Canada. (A committee membership list is available on request from the CSA Project Manager.) From time to time, ISO/IEC may publish addenda, corrigenda, etc. The CSA TCI

23、T will review these documents for approval and publication. For a listing, refer to the CSA Information Products catalogue or CSA Info Update or contact a CSA Sales representative. This Standard has been formally approved as a National Standard of Canada by the Standards Council of Canada.December 2

24、004 Canadian Standards Association 2004All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission ofthe publisher. ISO/IEC material is reprinted with permission. Where the words “this International Standard” appear in the text, they should

25、be interpreted as “this National Standard of Canada”.Inquiries regarding this National Standard of Canada should be addressed toCanadian Standards Association5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044www.csa.caReference numberISO/IEC 21992:2003(E)IS

26、O/IEC 2003INTERNATIONAL STANDARD ISO/IEC21992First edition2003-06-01Information technology Telecommunications and information exchange between systems Private Integrated Services Network Mapping functions for the tunnelling of QSIG through IP networks Technologies de linformation Tlcommunications et

27、 change dinformation entre systmes Rseau priv intgration de services Trac de fonctions pour le tunnelling de QSIG par des rseaux IP ISO/IEC 21992:2003(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but sh

28、all 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 Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area

29、. 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

30、 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 2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, ele

31、ctronic 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 postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso

32、.org Web www.iso.org ii ISO/IEC 2003 All rights reservedISO/IEC 21992:2003(E) ISO/IEC 2003 All rights reserved iiiContents Page Foreword iv Introduction v 1 Scope 1 2 Conformance . 1 3 Normative references . 1 4 Terms and definitions. 2 4.1 External definitions. 2 4.2 Other definitions . 2 5 List of

33、 acronyms . 3 6 Introduction . 3 6.1 Reference configuration. 3 6.2 Specific scenarios. 4 7 Capabilities at the Q reference point 4 8 Capabilities at the C reference point. 5 8.1 TCP connection. 5 8.2 UDP streams 6 9 Mapping functions 6 9.1 Mapping the DQ-channel. 6 9.2 Mapping a UQ-channel 6 10 IPC

34、 control functions 6 10.1 Procedure for UQ-channel establishment. 6 10.2 Procedure for UQ-channel clearing . 7 Annex A (informative) Implementation Conformance Statement (ICS) Proforma . 8 A.1 Introduction . 8 A.2 Instructions for completing the ICS proforma . 8 A.2.1 General structure of the ICS pr

35、oforma . 8 A.2.2 Additional information 9 A.2.3 Exception information 9 A.3 ICS proforma for ISO/IEC 21992 10 A.3.1 Implementation identification 10 A.3.2 Implementation summary. 10 A.4 General requirements. 10 A.5 UQ-channel bearer capabilities at the Q reference point. 11 A.6 DQ-channel capability

36、 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 synta

37、x 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 ISO/IEC 21992:2003(E) iv ISO/IEC 2003 All rights reservedForeword ISO (the International Organization for Standard

38、ization) 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

39、 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-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology, ISO

40、 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 task of the joint technical committee is to prepare International Standards. Draft International Standards adopted

41、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 a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of pat

42、ent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. ISO/IEC 21992 was prepared by ECMA (as ECMA-336) and was adopted, under a special “fast-track procedure”, by Joint Technical Committee ISO/IEC JTC 1, Information technology, in parallel with its appr

43、oval by national bodies of ISO and IEC. ISO/IEC 21992:2003(E) ISO/IEC 2003 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 utilization of intervening network

44、 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/IEC. This International Standard is based upon the practical experience of ECMA member companies and the results of th

45、eir active and continuous participation in the work of ISO/IEC JTC 1, ITU-T, ETSI and other international and national standardization bodies. It represents a pragmatic and widely based consensus. INTERNATIONAL STANDARD ISO/IEC 21992:2003(E) ISO/IEC 2003 All rights reserved 1Information technology T

46、elecommunications and information exchange between systems Private Integrated Services Network Mapping functions for the tunnelling of QSIG through IP networks 1 Scope This International Standard specifies functions for using a packet network that uses the Internet Protocol (IP) as its network layer

47、 protocol and UDP and TCP as its transport layer protocols, 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 directly over the Transmissio

48、n Control Protocol (TCP) and inter-PINX user information (e.g., voice) over the Real-time Transport Protocol (RTP), RTP being carried over the User Datagram Protocol (UDP). The inter-PINX signalling protocol is assumed to be QSIG, as specified in ISO/IEC 11572, ISO/IEC 11582 and other International

49、Standards. This International Standard provides for two types of interconnection: on-demand, where a separate TCP connection for QSIG is established at the start of each call and cleared down at the end of that call; and semi-permanent, where a single TCP connection with an indefinite lifetime carries QSIG on behalf of many single calls. This International Standard is applicable to PINXs that can be interconnected to form a PISN using QSIG as the inter-PINX signalling protocol.

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