ISO_IEC_11579-11994E.pdf

INTERNATIONAL STANDARD ISO/IEC 11579-1 First edition 1994-06-0 1 Information technology-Telecommunications and information exchange between Systems-Private integrated Services network-Part 1:Reference configuration for PISN Exchanges(PINX)Technologies de I information-TMcommunications et kchange d in forma tion en tre sys temes-Rbseau privb avec intbgration de serwces-Partie 1:Configuration de&f&ence pour khanges de PISN(PINX)Reference number ISO/IEC 11579-1:1994(E)ISOAEC 11579-1:1994(E)Contents Foreword.1111 Introduction.iv 1 Scope.*.*.1 2 Normative references.*.1 3 Symbols and abbreviations.1 4 Definitions.,.1 5 PINX reference configuration.2 5.1 Terminal equipment(TE).2 5.2 Private termination System functional grouping(PTS).2 5.3 Switching functional grouping(SW).2 5.4 Mapping functional grouping(MP).2 5.5 Public ISDN access termination functional grouping(PIAT).2 5.6 Inter-PINX connection control functional grouping(ICC).2 5.7 Call control functional grouping(CC).2 5.8 Scenario management.2 6 Reference Points(RP).3 6.1 C reference Point.3 6.2 Q reference Point.3 6.3 S reference Point.3 6.4 T reference Point.3 7 Use of the PINX reference configuration.3 7.1 Multiple instances of Q reference Point.3 7.2 Multiple instances of C reference Point.4 7.3 Multiple IVN interfaces.4 7.4 Shared interface use.4 Annex A:Termination of signalling information flows.“.6 Annex B:Public ISDN/PISN interworking seenarios.7 Annex C:Example of a PISN employing multiple instances of Q reference Points.8 Annex D:Example for the application of the PINX reference configuration to a PISN.*.9 0 ISO/IEC 1994 All rights reserved.Unless otherwise specified,no gart of this publication may be reproduced or utilized in any form or by any means,electronie or mechanical,including photocopying and microfilm,without Permission in writing from the publisher.ISO/IEC Copyright Office l Case postale 56 l CH-1 211 Geneve 20 l Switzerland Printed in Switzerland ii o ISCYIEC ISOAEC 11579-1:1994(E)Foreword ISQ(the International Organization for Standardization)and IEC(the International Electrotechnical Commission)form the specialized System for worldwide stan-dardization.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.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 tech-nical 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 requires approval by at least 75%of the national bodies casting a vote.International Standard ISO/IEC 115794 was prepared by Joint Technical Committee lSO/IEC JTC 1,Information technology,Subcommittee SC 6,Tele-communications and information exchange between Systems.ISO/IEC 11579 consists of the following Parts,under the general title Information technology-Telecommunications and information exchange between Systems-Private integrated Services networ.-Part 1:eference configuration for PISN Exchanges(PINX)-Parl2:eference configuration for High-Speed PISN Exchanges(HS-PINX)Annexes A,B,C and D of this patt of lSO/IEC 11579 are for information only.Ill ISOAEC 11579-1:1994(E)Introduction The purpose of a reference config interwork at the reference Points.U ration Suitabl e defini tions of functional groupin gs allow the proper merely by refe rring to the corresponding reference Points.(RC)is to reference Points bY means of identifying fu nctio nal g roupings which definition of the behaviour andlor Performance of such groupings,This applies to aspects such as:-delimitation of areas of responsibility,e.g.for management,Operation etc.;-partitioning and apportioning of Performance values;-numbering;-termination of signalling protocols;-etc.ISO/IEC 11579 will consist of several Parts.This patt of ISO/IEC 11579 defines the RC for a 64 kbit/s-based Private Integrated Services Network(PISN)exchange(PINX),including a description for modelling complete PISNs consisting of more than one PINX.lt also forms a component for a RC for high-Speed-PISNs(HS-PISN),i.e.PISNs which may be based on technologies such as broad-band ISDN,LAN,etc.The particularities for HS-PISN will be specified in other Parts of this Standard.In addition to the user-to-ISDN reference configuration specified in CCITT Rec.1.411 l which allows the exchanges of a private integrated Services network(PISN)to interwork with a public ISDN in a Concatenation Scenario,ISO/IEC 11579 specifies a reference configuration which allows to specify the functions which apply to the control of connections and calls between any two exchanges of a given PISN The conce