1、 Reference number ISO/IEC 15053:2003(E) ISO/IEC 2003INTERNATIONAL STANDARD ISO/IEC 15053 Second edition 2003-04-01Information technology Telecommunications and information exchange between systems Private Integrated Services Network Specification, functional model and information flows Call Intercep
2、tion additional network feature Technologies de linformation Tlcommunications et change dinformation entre systmes Rseau priv intgration de services Spcification, modle fonctionnel et flux dinformations Facilit de rseau additionnelle dinterception dappel ISO/IEC 15053:2003(E) PDF disclaimer This PDF
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6、ved. Unless otherwise 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 request
7、er. 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.org Web www.iso.org Published in Switzerland ii ISO/IEC 2003 All rights reservedISO/IEC 15053:2003(E) ISO/IEC 2003 All rights reserved iii Contents Foreword v Introduction vi 1
8、 Scope 1 2 Conformance 1 3 Normative references 1 4 Terms and definitions 2 4.1 External definitions 2 4.2 Other definitions 2 4.2.1 Additional Network Feature 2 4.2.2 ANF-CINT user 2 4.2.3 Busy 2 4.2.4 Call, basic call 2 4.2.5 Called user 3 4.2.6 Intercepted-to user 3 4.2.7 Interception cause 3 4.2
9、.8 Interception delayed 3 4.2.9 Interception immediate 3 4.2.10 Waiting on busy 3 5 List of acronyms 3 6 ANF-CINT stage 1 specification 3 6.1 Description 3 6.1.1 General description 3 6.1.2 Qualifications on applicability to telecommunication services 4 6.2 Procedures 4 6.2.1 Provision/withdrawal 4
10、6.2.2 Normal procedures 4 6.2.3 Exceptional procedures 5 6.3 Interactions with other supplementary services and ANFs 5 6.3.1 Calling Line Identification Presentation (CLIP) 5 6.3.2 Connected Line Identification Presentation (COLP) 5 6.3.3 Calling/Connected Line Identification Restriction (CLIR) 6 6.
11、3.4 Calling Name Identification Presentation (CNIP) 6 6.3.5 Connected Name Identification Presentation (CONP) 6 6.3.6 Calling/Connected Name Identification Restriction (CNIR) 6 6.3.7 Call Diversion (CFU, CFB, CFNR, CD) 6 6.3.8 Do Not Disturb (DND) 6 6.3.9 Do Not Disturb Override (DNDO) 6 6.3.10 Call
12、 Completion to Busy Subscriber (CCBS) 6 6.3.11 Call Completion on No Reply (CCNR) 6 6.3.12 Call Offer (CO) 6 6.3.13 Call Intrusion (CI) 6 6.3.14 Call Transfer (CT) 7 6.3.15 Path Replacement (PR) 7 6.3.16 Advice Of Charge (AOC/S/D/E) 7ISO/IEC 15053:2003(E) iv ISO/IEC 2003 All rights reserved 6.3.17 R
13、ecall (RE) 7 6.4 Interworking considerations 7 6.5 Overall SDL 7 7 ANF-CINT stage 2 specification 12 7.1 Functional model 12 7.1.1 Functional model description 12 7.1.2 Description of functional entities 12 7.1.3 Relationship of functional model to basic call functional model 13 7.2 Information flow
14、s 13 7.2.1 Definition of information flows 13 7.2.2 Relationship of information flows to basic call information flows 19 7.2.3 Information flow sequences 20 7.3 Functional entity actions 27 7.3.1 Functional entity actions of FE1 27 7.3.2 Functional entity actions of FE2 27 7.3.3 Functional entity ac
15、tions of FE3 27 7.3.4 Functional entity actions of FE4 28 7.3.5 Functional entity actions of FE5 28 7.3.6 Functional entity actions of FE6 28 7.4 Functional entity behaviour 28 7.4.1 Behaviour of FE1 28 7.4.2 Behaviour of FE2 29 7.4.3 Behaviour of FE3 30 7.4.4 Behaviour of FE4 32 7.4.5 Behaviour of
16、FE5 33 7.4.6 Behaviour of FE6 35 7.5 Allocation of functional entities to physical equipment 36 7.6 Interworking considerations 37ISO/IEC 15053:2003(E) ISO/IEC 2003 All rights reserved v Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Com
17、mission) 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. I
18、SO 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, I
19、SO/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 natio
20、nal 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 fo
21、r identifying any or all such patent rights. ISO/IEC 15053 was prepared by ECMA (as ACMA-220) 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 second edit
22、ion cancels and replaces the first edition (ISO/IEC 15053:1997), which has been technically revised. ISO/IEC 15053:2003(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 Int
23、egrated 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 Call Interception additional network feature. This Interna
24、tional Standard is based upon the practical experience of ECMA member companies and the results of their 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. IS
25、O/IEC 2003 All rights reserved 1 1S c o p e This International Standard specifies Additional Network Feature Call Interception (ANF-CINT), which is applicable to various basic services supported by Private Integrated Services Networks (PISN). Basic services are specified in ISO/IEC 11574. ANF-CINT i
26、s an additional network feature which enables calls that cannot be completed due to certain conditions to be redirected to a pre-defined intercepted-to user. ANF specifications are produced in three stages, according to the method described in ETS 300 387. This International Standard contains the st
27、age 1 and stage 2 specifications of ANF-CINT. The stage 1 specification (clause 6) specifies the feature as seen by users of PISNs. The stage 2 specification (clause 7) identifies the functional entities involved in the feature and the information flows between them. 2 Conformance In order to confor
28、m to this International Standard, a stage 3 standard shall specify signalling protocols and equipment behaviour that are capable of being used in a PISN which supports the feature specified in this International Standard. This means that, to claim conformance, a stage 3 standard is required to be ad
29、equate for the support of those aspects of clause 6 (stage 1) and clause 7 (stage 2) which are relevant to the interface or equipment to which the stage 3 standard applies. 3 Normative references ISO/IEC 11571:1998, Information technology - Telecommunications and information exchange between systems
30、 - Private Integrated Services Networks - Addressing 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 information
31、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 300 387:1994, Private Telecommunication Network (PTN); Method for the specification o
32、f 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. I.221:1993, Common specific characteristics of services ITU-T Rec. Z.100:1999, Specif
33、ication and description language (SDL) The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. INTERNATIO
34、NAL STANDARD ISO/IEC 15053:2003(E)Information technology Telecommunications and information exchange between systems Private Integrated Services Network Specification, functional model and information flows Call Interception additional network feature ISO/IEC 15053:2003(E) 2 ISO/IEC 2003 All rights
35、reserved 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: Basic Service (ITU-T Rec. I.210) Connection (ITU-T Rec. I.112) Network Determined U
36、ser Busy (ITU-T Rec. I.221) Private Integrated Services Network (PISN) (ISO/IEC 11579-1) Private Integrated services Network eXchange (PINX) (ISO/IEC 11579-1) PISN Number (ISO/IEC 11571) Service (ITU-T Rec. I.112) Signalling (ITU-T Rec. I.112) Supplementary Service (ITU-T Rec. I.210) User Determined
37、 User Busy (ITU-T Rec. I.221) User (except in the context of ANF-CINT user) (ISO/IEC 11574) This International Standard refers to the following basic call functional entities (FEs) defined in ISO/IEC 11574: Call Control (CC) Call Control Agent (CCA). This International Standard refers to the followi
38、ng basic call inter-FE relationships defined in ISO/IEC 11574: r1 r2 r3 This International Standard refers to the following basic call information flows defined in ISO/IEC 11574: Disconnect request/indication Setup request/indication Setup response/confirmation Report request/indication Release requ
39、est/indication 4.2 Other definitions 4.2.1 Additional Network Feature A capability, over and above that of a basic service, provided by a PISN, but not directly to a PISN user. 4.2.2 ANF-CINT user An entity, within a PISN, that requests ANF-CINT. 4.2.3 Busy A property of a user for whom either a Net
40、work Determined User Busy or a User Determined User Busy condition exists. 4.2.4 Call, basic call An instance of the use of a basic service.ISO/IEC 15053:2003(E) ISO/IEC 2003 All rights reserved 3 4.2.5 Called user The user to which a call is directed prior to invocation of ANF-CINT. 4.2.6 Intercept
41、ed-to user The user to which the intercepted call is directed. 4.2.7 Interception cause A condition that can lead to call interception. 4.2.8 Interception delayed The redirection of a call to an alternative destination as a result of remaining too long in an alerting or waiting on busy state. 4.2.9
42、Interception immediate The redirection of a call to an alternative destination as a result of detecting a condition that prevents the call reaching an alerting or waiting on busy state. 4.2.10 Waiting on busy A call state in which a call is awaiting answer at a user that is busy on another call. NOT
43、E - This can arise, for example, as a result of the use of supplementary service Call Offer (SS-CO) during call establishment. A call that is waiting on busy can be transferred. 5 List of acronyms ANF Additional Network Feature ANF-CINT Additional Network Feature Call Interception CC Call Control (f
44、unctional entity) CCA Call Control Agent (functional entity) CD Call Deflection CFB Supplementary Service Call Forwarding Busy CFNR Supplementary Service Call Forwarding No Reply CFU Supplementary Service Call Forwarding Unconditional CLIR Calling/Connected Line Identification Restriction CNIP Calli
45、ng Name Identification Presentation CNIR Calling/Connected Name Identification Restriction FE Functional Entity ISDN Integrated Services Digital Network PINX Private Integrated services Network eXchange PISN Private Integrated Services Network SDL Specification and Description Language SS Supplement
46、ary Service TE Terminal Equipment 6 ANF-CINT stage 1 specification 6.1 Description 6.1.1 General description ANF-CINT is invoked by an ANF-CINT user for an unanswered or unsuccessful call, allowing the call to be routed to a special destination in the PISN. The special destination may be dependent o
47、n the interception cause.ISO/IEC 15053:2003(E) 4 ISO/IEC 2003 All rights reserved The conditions leading to invocation of ANF-CINT are considered as implementation options. Examples of factors that can be taken in account are: the source of the call (e.g., the geographic location of the calling user
48、, the network from which the call has entered the PISN); the particular interception cause; the type of connection (e.g. the originating user is an attendant); the call destination; time of the day. 6.1.2 Qualifications on applicability to telecommunication services Call Interception is applicable t
49、o all basic services defined in ISO/IEC 11574. 6.2 Procedures 6.2.1 Provision/withdrawal ANF-CINT shall be PISN instigated. The conditions under which interception is invoked shall be an implementation matter. Also, parameters and values offered by a PISN shall be an implementation matter. A PISN may offer more or less parameters than the one specified below. Parameters may apply separately to each different condition for which interception is to be i
