ISO IEC 23916-2005 Information technology - Telecommunications and information exchange between systems - Corporate Telecommunication Networks - Signalling Inte.pdf
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1、 Reference number ISO/IEC 23916:2005(E) ISO/IEC 2005INTERNATIONAL STANDARD ISO/IEC 23916 First edition 2005-11-01Information technology Telecommunications and information exchange between systems Corporate Telecommunication Networks Signalling Interworking between QSIG and SIP Call Transfer Technolo
2、gies de linformation Tlcommunications et change dinformation entre systmes Rseaux de tlcommunications dentreprise Interaction de signalisation entre QSIG et SIP Transfert dappel ISO/IEC 23916:2005(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing pol
3、icy, 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 infringing Adobes licensing policy. The ISO Central
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5、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 2005 All rights reserved. Unless otherwise specified, no part of this publication may be reproduce
6、d 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 postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 0
7、1 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2005 All rights reservedISO/IEC 23916:2005(E) ISO/IEC 2005 All rights reserved iiiContents Page Foreword .v Introductionvi 1 Scope1 2 Normative references1 3 Terminology.2 4 Definitions3 4.1 Extern
8、al definitions .3 4.2 Other definitions3 4.2.1 User A .3 4.2.2 User B .3 4.2.3 User C .3 4.2.4 Call transfer3 4.2.5 Single step call transfer4 4.2.6 Call transfer by join.4 4.2.7 Call transfer by rerouteing .4 4.2.8 Corporate telecommunication Network (CN)4 4.2.9 IP network4 4.2.10 Private Integrate
9、d Services Network (PISN) .4 4.2.11 Private Integrated services Network eXchange (PINX) .4 5 Abbreviations and acronyms .4 6 Background and architecture 5 7 Procedures.5 7.1 Call transfers in QSIG .5 7.2 Call transfer in SIP.6 7.3 Scope of the interworking functions.6 7.3.1 QSIG side.6 7.3.2 SIP sid
10、e.6 7.3.3 Discussion over transfer interworking functions 6 7.4 Mapping of numbers and URIs 9 7.5 UAC Processing 10 7.5.1 Receipt of a FACILITY message with callTransferComplete invoke APDU 10 7.5.2 Receipt of a FACILITY message with callTransferUpdate invoke APDU.10 7.5.3 Receipt of a FACILITY mess
11、age with ssctInitiate invoke APDU.10 7.5.4 Receipt of a SETUP message with ssctSetup invoke APDU 11 7.5.5 Receipt of a FACILITY message with subaddressTransfer invoke APDU.12 7.6 UAS Processing.12 7.6.1 Receipt of a SIP REFER request 12 7.6.2 Receipt of a SIP INVITE request.17 7.6.3 Receipt of a SIP
12、 request with revised identity .18 8 Example message sequences19 8.1 Call transfer by join where User B and C are SIP participants.19 8.2 Call transfer where User A is a SIP participant 20 8.3 Call transfer where User A is a SIP participant and where two gateways are used.21 8.4 Call transfer where
13、User A and User B are SIP participants.22 8.5 Single step call transfer where User B is a SIP participant 23 8.6 Unsuccessful Single step call transfer where User A and User C are SIP participants 24 8.7 Single step call transfer where User A and User B are SIP participants.25 9 Security considerati
14、ons . 25ISO/IEC 23916:2005(E) iv ISO/IEC 2005 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 partici
15、pate 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
16、and non-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. Th
17、e main 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
18、casting 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 23916 was prepared by Ecma International (as ECMA 361) and was adopte
19、d, under a special “fast- track procedure”, by Joint Technical Committee ISO/IEC JTC 1, Information technology, in parallel with its approval by national bodies of ISO and IEC. ISO/IEC 23916:2005(E) ISO/IEC 2005 All rights reserved v Introduction This International Standard is one of a series of Sta
20、ndards defining the interworking of services and signalling protocols deployed in corporate telecommunication networks (CNs) (also known as enterprise networks). The series uses telecommunication concepts as developed by ITU-T and conforms to the framework of International Standards on Open Systems
21、Interconnection as defined by ISO/IEC. This International Standard specifies call transfer interworking between the Session Initiation Protocol (SIP) and QSIG within corporate telecommunication networks (also known as enterprise networks). SIP is an Internet application-layer control (signalling) pr
22、otocol for creating, modifying, and terminating sessions with one or more participants. These sessions include, in particular, telephone calls. This International Standard is based upon the practical experience of member companies and the results of their active and continuous participation in the w
23、ork of ISO/IEC JTC1, ITU-T, IETF, ETSI and other international and national standardization bodies. It represents a pragmatic and widely based consensus. INTERNATIONAL STANDARD ISO/IEC 23916:2005(E) ISO/IEC 2005 All rights reserved 1 Information technology Telecommunications and information exchange
24、 between systems Corporate Telecommunication Networks Signalling Interworking between QSIG and SIP Call Transfer 1 Scope This International Standard specifies call transfer interworking between the Session Initiation Protocol (SIP) and “QSIG” within corporate telecommunication networks (CN), also kn
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