ISO IEC 21407-2001 Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network Specification func.pdf

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1、Reference number ISO/IEC 21407:2001(E) ISO/IEC 2001 INTERNATIONAL STANDARD ISO/IEC 21407 First edition 2001-08-15 Information technology Telecommunications and information exchange between systems Private Integrated Services Network Specification, functional model and information flows Simple dialog

2、 supplementary service Technologies de linformation Tlcommunications et change dinformation entre systmes Rseaux privs intgration de services Spcifications, modle fonctionnel et flux dinformations Service supplmentaire de dialogue simpleISO/IEC 21407:2001(E) PDF disclaimer This PDF file may contain

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5、ers 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/IEC 2001 All rights reserved. Unless otherw

6、ise specified, 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

7、office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.ch Web www.iso.ch Printed in Switzerland ii ISO/IEC 2001 All rights reserved ISO/IEC 21407:2001(E) ISO/IEC 2001 All rights reserved iii Contents Foreword v Introduction vi 1 Scope 1 2 Conformanc

8、e 1 3 Normative references 1 4 Definitions 1 4.1 External definitions 1 4.2 Other definitions 2 4.2.1 Client User 2 4.2.2 Display information 2 4.2.3 Keypad information 2 4.2.4 Server User 2 5 List of acronyms 2 6 SS-SD stage 1 specification 2 6.1 Description 2 6.1.1 General description 2 6.1.2 Qual

9、ifications on applicability to telecommunication services 2 6.2 Procedures 2 6.2.1 Provision / withdrawal 2 6.2.2 Normal procedures 3 6.2.3 Exceptional procedures 3 6.3 Interactions with other Supplementary Services / Additional Network Features 3 6.3.1 Calling Line Identification Presentation (SS-C

10、LIP) 3 6.3.2 Connected Line Identification Presentation (SS-COLP) 3 6.3.3 Calling/Connected Line Identification Restriction (SS-CLIR) 3 6.3.4 Calling Name Identification Presentation (SS-CNIP) 3 6.3.5 Calling Name Identification Presentation (SS-CNIR) 3 6.3.6 Connected Name Identification Presentati

11、on (SS-CONP) 3 6.3.7 Completion of Call to Busy Subscriber (SS-CCBS) 3 6.3.8 Completion of Call on No Reply (SS-CCNR) 4 6.3.9 Call Transfer (SS-CT) 4 6.3.10 Call Forwarding Unconditional (SS-CFU) 4 6.3.11 Call Forwarding Busy (SS-CFB) 4 6.3.12 Call Forwarding No Reply (SS-CFNR) 4 6.3.13 Call Deflect

12、ion (SS-CD) 4 6.3.14 Path Replacement (ANF-PR) 4 6.3.15 Call Offer (SS-CO) 4 6.3.16 Call Intrusion (SS-CI) 4 6.3.17 Do not Disturb (SS-DND) 4 6.3.18 Do not Disturb Override (SS-DNDO) 4 6.3.19 Advice of Charge (SS-AOC) 4 6.3.20 Recall (SS-RE) 4 6.3.21 Call Interception (ANF-CINT) 4 6.3.22 Transit Cou

13、nter (ANF-TC) 4 6.3.23 Route Restriction Class (ANF-RRC) 4ISO/IEC 21407:2001(E) iv ISO/IEC 2001 All rights reserved 6.3.24 Message Waiting Indication (SS-MWI) 4 6.3.25 Wireless Terminal Location Registration (SS-WTLR) 4 6.3.26 Wireless Terminal Incoming Call (ANF-WTMI) 4 6.3.27 Wireless Terminal Out

14、going Call (ANF-WTMO) 4 6.3.28 Wireless Terminal Authentication of a CTM User (SS-WTAT) 4 6.3.29 Wireless Terminal Authentication of the PISN (SS-WTAN) 5 6.3.30 Private User Mobility Incoming Call (ANF-PUMI) 5 6.3.31 Private User Mobility Outgoing Call (ANF-PUMO) 5 6.3.32 Private User Mobility Regis

15、tration (SS-PUMR) 5 6.3.33 Common Information (ANF-CMN) 5 6.3.34 Call Priority Interruption (Protection) (SS-CPI(P) 5 6.3.35 Single Step Call Transfer (SS-SSCT) 5 6.4 Interworking considerations 5 6.5 Overall SDL 5 7 SS-SD stage 2 specification 7 7.1 Functional model 7 7.1.1 Functional model descrip

16、tion 7 7.1.2 Description of Functional Entities 7 7.1.3 Relationship of functional model to Basic Call functional model 8 7.2 Information flows 8 7.2.1 Definition of information flows 8 7.2.2 Relationship of information flows to Basic Call information flows 10 7.2.3 Examples of information flow sequ

17、ences 10 7.3 Functional Entity actions 11 7.3.1 Functional Entity actions of FE1 11 7.3.2 Functional Entity actions of FE2 11 7.3.3 Functional Entity actions of FE3 11 7.3.4 Functional Entity actions of FE4 11 7.4 Functional Entity behaviour 11 7.4.1 Behaviour of FE1 11 7.4.2 Behaviour of FE2 13 7.4

18、.3 Behaviour of FE3 14 7.4.4 Behaviour of FE4 15 7.5 Allocation of Functional Entities to physical equipment 16 7.6 Interworking considerations 16ISO/IEC 21407:2001(E) ISO/IEC 2001 All rights reserved v Foreword ISO (the International Organization for Standardization) and IEC (the International Elec

19、trotechnical 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 techn

20、ical 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. International Standards are drafted in accordance with the rules given in the ISO/I

21、EC Directives, Part 3. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requir

22、es 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 International Standard may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. Internation

23、al Standard ISO/IEC 21407 was prepared by ECMA (as ECMA-310) and was adopted, 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 21407:2001(E) vi ISO/IEC 2001 All rights r

24、eserved Introduction This International Standard is one of a series of Standards defining services and signalling procedures applicable to Private Integrated Services Networks (PISNs). The series uses ISDN concepts as developed by ITU-T and conforms to the framework of International Standards for Op

25、en Systems Interconnection as defined by ISO/IEC. This International Standard specifies the Simple Dialog (SD) supplementary service. This International Standard is based upon the practical experience of ECMA member companies and the results of their active and continuous participation in the work o

26、f ISO/IEC JTC 1, ITU-T, ETSI and other international and national standardization bodies. It represents a pragmatic and widely based consensus. There is currently no equivalent service specified by ITU-T or ETSI for public ISDN.INTERNATIONAL STANDARD ISO/IEC 21407:2001(E) ISO/IEC 2001 All rights res

27、erved 1 Information technology Telecommunications and information exchange between systems Private Integrated Services Network Specification, functional model and information flows Simple dialog supplementary service 1S c o p e This International Standard specifies the supplementary service Simple D

28、ialog (SS-SD), which is applicable to various basic services supported by Private Integrated Services Networks (PISNs). Basic services are specified in ISO/IEC 11574. Supplementary service SD enables a user to communicate with another user or application by the exchange of keypad and display informa

29、tion transparently over a PISN. Service specifications are produced in three stages, according to the method described in ETS 300 387. This International Standard contains the stage 1 and stage 2 specifications of SS-SD. The stage 1 specification (clause 6) specifies the supplementary service as see

30、n by users of PISNs. The stage 2 specification (clause 7) specifies the functional entities involved in the supplementary service and the information flows between them. 2 Conformance In order to conform to this International Standard, a stage 3 standard shall specify signalling protocols and equipm

31、ent behaviour that are capable of being used in a PISN which supports the supplementary service specified in this International Standard. This means that, to claim conformance, a stage 3 standard is required to be adequate for the support of those aspects of clause 6 (stage 1) and clause 7 (stage 2)

32、 which are relevant to the interface or equipment to which the stage 3 standard applies. 3 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendment

33、s to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition

34、 of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO/IEC 11574:2000, Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Circuit-mode 64 kbit/

35、s bearer services - Service description, functional capabilities and information flows ISO/IEC 11579-1:1994, Information technology - Telecommunications and information exchange between systems - Private integrated services network - Part 1: Reference configuration for PISN Exchanges (PINX) ETS 300

36、387:1994, Private Telecommunication Network (PTN); Method for the specification of basic and supplementary services ITU-T Rec. I.112:1993, Vocabulary of terms for ISDNs ITU-T Rec. I.210:1993, Principles of telecommunication services supported by an ISDN and the means to describe them ITU-T Rec. Z.10

37、0:1999, Specification and description language (SDL) 4 Definitions For the purposes of this International Standard, the following definitions apply: 4.1 External definitions This International Standard uses the following terms defined in other documents: Basic Service (ITU-T Rec. I.210) Private Inte

38、grated Services Network Exchange (PINX) (ISO/IEC 11579-1)ISO/IEC 21407:2001(E) 2 ISO/IEC 2001 All rights reserved Private Integrated Services Network (PISN) (ISO/IEC 11579-1) Service (ITU-T Rec. I.112) ignalling (ITU-T Rec. I.112) Supplementary Service (ITU-T Rec. I.210) User (ISO/IEC 11574) This In

39、ternational Standard refers to the following basic call Functional Entities (FE) defined in ISO/IEC 11574: Call Control (CC) Call Control Agent (CCA) This International Standard refers to the following basic call inter-FE relationship defined in ISO/IEC 11574: r1 r2 r3 4.2 Other definitions 4.2.1 Cl

40、ient User : A user who is able to receive display information and send keypad information. 4.2.2 Display information : A character string which can be displayed on a Client Users terminal display. 4.2.3 Keypad information : Information representing the Client Users key presses on the terminal keypad

41、. 4.2.4 Server User : A user who is able to send display and receive keypad information. A Server User can be a user as defined in ISO/IEC 11574 but also a Telecommunication Application or a Server which is directly connected to the PISN. 5 List of acronyms ANF Additional Network Feature FE Function

42、al Entity ISDN Integrated Services Digital Network PINX Private Integrated Service Network Exchange PISN Private Integrated Services Network SDL Specification and Description Language SS Supplementary Service SS-SD Supplementary Service Simple Dialog TE Terminal Equipment 6 SS-SD stage 1 specificati

43、on 6.1 Description 6.1.1 General description SS-SD enables two users to communicate via the exchange of display and keypad information. The Server User is the user who exclusively sends the display information whereas the user who receives that information and who is able to answer the Server User w

44、ith keypad information is called the Client User. SS-SD shall be exclusively used to convey display information and key press events. 6.1.2 Qualifications on applicability to telecommunication services This supplementary service can be used with a basic telecommunication service or independently of

45、it. 6.2 Procedures 6.2.1 Provision / withdrawal SS-SD shall be generally available to all PISN users.ISO/IEC 21407:2001(E) ISO/IEC 2001 All rights reserved 3 6.2.2 Normal procedures 6.2.2.1 Activation, deactivation and interrogation Not applicable. 6.2.2.2 Invocation and operation The supplementary

46、service Simple Dialog (SS-SD) shall be invoked between a Server User and a Client User for the exchange of display messages and key press events. For that purpose an existing call or signalling connection shall be used. If no such connection exists, and no call has to be established, a call independ

47、ent signalling connection shall be established on request of either user for that purpose. The user who initiated the call independent signalling for this reason is responsible for clearing this connection. SS-SD is invoked by the Server User upon sending display information to the connected Client

48、User. The sent display information shall be shown on the Client Usersdi s pl ay . SS-SD is invoked by the Client User upon request to send keypad information to a Server User. After that request the Client User can send key press events to the Server User. After an additional request from the Client

49、 User, no further key press events shall be conveyed to the Server User. The duration of the session is up to the service. NOTE 1 - The actions for request which have to be done by a Client User to use SS-SD (e.g. to press a specific button on Client Users TE) is out of the scope of this International Standard. The role of the Server and Client User is fixed during the lifetime of the communication. NOTE 2 - Any additional inband signalling (e.g.