ISO IEC 13874-2003 Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network (PISN) Inter-excha.pdf

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1、 Reference number ISO/IEC 13874:2003(E) ISO/IEC 2003INTERNATIONAL STANDARD ISO/IEC 13874 Third edition 2003-04-01Information technology Telecommunications and information exchange between systems Private Integrated Services Network Inter-exchange signalling protocol Path Replacement additional netwo

2、rk feature Technologies de linformation Tlcommunications et change dinformation entre systmes Rseau priv intgration de services Protocole de signalisation dchange Caractristique de rseau additionnelle de remplacement de chemin ISO/IEC 13874:2003(E) PDF disclaimer This PDF file may contain embedded t

3、ypefaces. 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 in

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5、ptimized 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 2003 All rights reserved. Unless otherwise specif

6、ied, 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 Cas

7、e postale 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 2003 All rights reservedISO/IEC 13874:2003(E) ISO/IEC 2003 All rights reserved iii Contents Foreword v Introduction vi 1 Scope 1 2 Conformance 1 3 N

8、ormative references 1 4 Terms and definitions 2 4.1 External definitions 2 4.2 Other definitions 2 4.2.1 Branching PINX 2 4.2.2 Cooperating PINX 3 4.2.3 End PINX 3 4.2.4 Preceding PINX 3 4.2.5 Replaced connection 3 4.2.6 Requesting PINX 3 4.2.7 Retained connection 3 4.2.8 Subsequent PINX 3 4.2.9 Inv

9、iting PINX 3 5 List of acronyms 3 6 Signalling protocol for the support of ANF-PR 3 6.1 ANF-PR description 3 6.2 ANF-PR operational requirements 4 6.2.1 Requirements on the Cooperating PINX 4 6.2.2 Requirements on the Requesting PINX 4 6.2.3 Requirements on a Transit PINX 4 6.2.4 Requirements on the

10、 Inviting PINX 5 6.3 ANF-PR coding requirements 6 6.3.1 Operations 6 6.3.2 Information elements 9 6.3.3 Messages 10 6.4 ANF-PR state definitions 10 6.4.1 States at the Requesting PINX 10 6.4.2 States at the Cooperating PINX 10 6.4.3 States at a Transit PINX on the retained path, including the branch

11、ing PINX 11 6.4.4 States at the Inviting PINX 11 6.5 ANF-PR signalling procedures 11 6.5.1 Actions at the Requesting PINX 11 6.5.2 Actions at the Cooperating PINX 12 6.5.3 Actions at a Cooperating/Requesting PINX in the case of a trombone connection 13 6.5.4 Actions at a Transit PINX 13 6.5.5 Action

12、s at Inviting PINX 13 6.6 ANF-PR optional signalling procedures for retention of part of the old connection 14 6.6.1 Actions at the Requesting PINX 14ISO/IEC 13874:2003(E) iv ISO/IEC 2003 All rights reserved 6.6.2 Actions at the Cooperating PINX 14 6.6.3 Actions at a Transit PINX on the retained con

13、nection 14 6.6.4 Actions at a Transit PINX on the new connection or replaced connection 16 6.6.5 Actions at Inviting PINX on the retained connection 16 6.7 ANF-PR impact of interworking with public ISDNs 16 6.8 ANF-PR impact of interworking with non-ISDNs 16 6.9 Protocol interactions between ANF-PR

14、and other supplementary services and ANFs 16 6.9.1 Interaction with Calling Name Identification Presentation (SS-CNIP) 16 6.9.2 Interaction with Connected Name Identification Presentation (SS-CONP) 16 6.9.3 Interaction with Completion of Calls to Busy Subscriber (SS-CCBS) 17 6.9.4 Interaction with C

15、ompletion of Calls on No Reply (SS-CCNR) 17 6.9.5 Interaction with Call Transfer (SS-CT) 17 6.9.6 Interaction with Call Forwarding Unconditional (SS-CFU) 18 6.9.7 Interaction with Call Forwarding Busy (SS-CFB) 18 6.9.8 Interaction with Call Forwarding No Reply (SS-CFNR) 18 6.9.9 Interaction with Cal

16、l Deflection (SS-CD) 18 6.10 ANF-PR parameter values (timers) 18 6.10.1 Timer T1 18 6.10.2 Timer T2 18 6.10.3 Timer T3 18 6.10.4 Timer T4 19 Annexes A - Protocol Implementation Conformance Statement (PICS) proforma 20 B - Imported ASN.1 definitions 27 C - Examples of message sequences 28 D - Specifi

17、cation and Description Language (SDL) representation of procedures 36 E - ASN.1 definitions according to ITU-T Recs. X.208 / X.209 42ISO/IEC 13874:2003(E) ISO/IEC 2003 All rights reserved v Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical

18、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

19、. 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 and IEC have established a joint technical committee

20、, 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 by the joint technical committee are circulated to na

21、tional 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 patent rights. ISO and IEC shall not be held responsible

22、 for identifying any or all such patent rights. ISO/IEC 13874 was prepared by ECMA (as ECMA-176) 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. This third ed

23、ition cancels and replaces the second edition (ISO/IEC 13874:1999), which has been technically revised. ISO/IEC 13874:2003(E) vi ISO/IEC 2003 All rights reserved Introduction This International Standard is one of a series of Standards defining services and signalling protocols applicable to Private

24、Integrated Services Networks (PISNs). The series uses ISDN concepts as developed by ITU-T and conforms to the framework of International Standards for Open Systems Interconnection as defined by ISO/IEC. This International Standard specifies the signalling protocol for use at the Q reference point in

25、 support of the Path Replacement additional network feature. The protocol defined in this Standard forms part of the PSS1 protocol (informally known as QSIG). This International Standard is based upon the practical experience of ECMA member companies and the results of their active and continuous pa

26、rticipation 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. ISO/IEC 2003 All rights reserved 1 1S c o p e This International Standard specifies the signalling protocol for the support of the

27、Path Replacement additional network feature (ANF-PR) at the Q reference point between Private Integrated services Network eXchanges (PINXs) connected together within a Private Integrated Services Network (PISN). ANF-PR is a feature which applies to an established call, allowing that calls connection

28、 between PINXs to be replaced by a new connection. The Q reference point is defined in ISO/IEC 11579-1. Service specifications are produced in three stages and according to the method specified in ETS 300 387. This International Standard contains the stage 3 specification for the Q reference point a

29、nd satisfies the requirements identified by the stage 1 and stage 2 specifications in ISO/IEC 13863. The signalling protocol for ANF-PR operates on top of the signalling protocol for basic circuit switched call control, as specified in ISO/IEC 11572, and uses certain aspects of the generic procedure

30、s for the control of supplementary services specified in ISO/IEC 11582. This International Standard also specifies additional signalling protocol requirements for the support of interactions at the Q reference point between ANF-PR and other supplementary services and ANFs. This International Standar

31、d is applicable to PINXs which can interconnect to form a PISN. 2 Conformance In order to conform to this International Standard, a PINX shall satisfy the requirements identified in the Protocol Implementation Conformance Statement (PICS) proforma in annex A. 3 Normative references ISO/IEC 11571:199

32、8, Information technology - Telecommunications and information exchange between systems - Private Integrated Services Networks - Addressing ISO/IEC 11572:2000, Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Circuit mode be

33、arer services - Inter-exchange signalling procedures and protocol ISO/IEC 11574:2000, Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Circuit-mode 64 kbit/s bearer services - Service description, functional capabilities and

34、 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) ISO/IEC 11582:2002, Information technology - Telecommunications and informat

35、ion exchange between systems - Private Integrated Services Network - Generic functional protocol for the support of supplementary services - Inter-exchange signalling procedures and protocol ISO/IEC 13863:1998, Information technology - Telecommunications and information exchange between systems - Pr

36、ivate Integrated Services Network - Specification, functional model and information flows - Path replacement additional network feature The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated referen

37、ces, the latest edition of the referenced document (including any amendments) applies. INTERNATIONAL STANDARD ISO/IEC 13874:2003(E)Information technology Telecommunications and information exchange between systems Private Integrated Services Network Inter-exchange signalling protocol Path Replacemen

38、t additional network feature ISO/IEC 13874:2003(E) 2 ISO/IEC 2003 All rights reserved ISO/IEC 13869:2003, Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Call Transfer supplementary serv

39、ice ISO/IEC 15056:1997, Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Transit counter additional network feature ETS 300 387:1994, Private Telecommunication Network (PTN); Method for t

40、he 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. Q.950:2000, Supplementary services protocols, structure and general

41、 principles ITU-T Rec. Z.100:1999, Specification and description language (SDL) 4 Terms and definitions For the purposes of this document, the following terms and definitions apply. 4.1 External definitions This International Standard uses the following terms defined in other documents: ANF-PR user

42、(ISO/IEC 13863) Application Protocol Data Unit (APDU) (ISO/IEC 11582) Basic Service (ITU-T Rec. I.210) Call, Basic Call (ISO/IEC 11582) Connection (ISO/IEC 13863) Incoming Gateway PINX (ISO/IEC 11572) Interpretation APDU (ISO/IEC 11582) Network Facility Extension (NFE) (ISO/IEC 11582) New Connection

43、 (ISO/IEC 13863) Old Connection (ISO/IEC 13863) Originating PINX (ISO/IEC 11572) Outgoing Gateway PINX (ISO/IEC 11572) Private Integrated Services Network (PISN) (ISO/IEC 11579-1) Private Integrated services Network eXchange (PINX) (ISO/IEC 11579-1) Signalling (ITU-T Rec. I.112) Supplementary Servic

44、e (ITU-T Rec. I.210) Supplementary Services Control Entity (ISO/IEC 11582) Terminating PINX (ISO/IEC 11572) Transit PINX (ISO/IEC 11572) Trombone Connection (ISO/IEC 13863) User (except in the context of ANF-PR user) (ISO/IEC 11574) 4.2 Other definitions 4.2.1 Branching PINX The Transit PINX at whic

45、h the retained connection finishes and the new connection starts.ISO/IEC 13874:2003(E) ISO/IEC 2003 All rights reserved 3 4.2.2 Cooperating PINX The end PINX which initiates the establishment of the new connection towards other end PINX involved in the call. 4.2.3 End PINX Within the context of a ca

46、ll, a PINX which is not acting as a Transit PINX, i.e., an Originating PINX, a Terminating PINX, an Incoming Gateway PINX or an Outgoing Gateway PINX. 4.2.4 Preceding PINX The adjacent PINX in the direction of the Cooperating PINX, relative to a particular PINX involved in the old connection. NOTE 1

47、 - This can be the Cooperating PINX itself or a Transit PINX. 4.2.5 Replaced connection That part of the old connection which is not retained and is replaced by the new connection. 4.2.6 Requesting PINX The end PINX which invokes ANF-PR and towards which the new connection is routed. 4.2.7 Retained

48、connection That part of the old connection which is retained and not replaced by the new connection. 4.2.8 Subsequent PINX The adjacent PINX in the direction of the Requesting PINX, relative to a particular PINX involved in the old connection. NOTE 2 - This can be the Requesting PINX itself or a Tra

49、nsit PINX. 4.2.9 Inviting PINX Any PINX in the connection that is associated with the ANF-PR user and able to request either end PINX to invoke ANF-PR. 5 List of acronyms ANF Additional Network Feature ANF-PR Path Replacement additional network feature APDU Application Protocol Data Unit ASN.1 Abstract Syntax Notation no. 1 ISDN Integrated Services Digital Network NFE Network Facility Extension PICS Protocol Implementation Conformance Statement PINX Private Integrated