1、BC Referencenumber ISO/IEC13863:1998(E) INTERNATIONAL STANDARD ISO/IEC 13863 Secondedition 19981215 Informationtechnology Telecommunicationsandinformation exchangebetweensystemsPrivate IntegratedServicesNetwork Specification,functionalmodeland informationflowsPathreplacement additionalnetworkfeature
2、 TechnologiesdelinformationTlcommunicationsetchange dinformationentresystmesRseauprivintgrationdeservices Spcification,modlefonctionneletfluxdinformationsCaractristique derseauadditionnellederemplacementdecheminISO/IEC13863:1998(E) ii Contents Foreword v Introduction vi 1 Scope 1 2 Conformance 1 3 N
3、ormativereferences 1 4 Definitions 1 4.1 Externaldefinitions 2 4.2 Otherdefinitions 2 4.2.1 Additionalnetworkfeature 2 4.2.2 ANFPRuser 2 4.2.3 Call,basiccall 2 4.2.4 Connection 2 4.2.5 Newconnection 2 4.2.6 Oldconnection 2 4.2.7 Tromboneconnection 2 5 Listofacronyms 3 6 ANFPRstage1specification 3 6.
4、1 Description 3 6.1.1 Generaldescription 3 6.1.2 Qualificationsonapplicabilitytotelecommunicationservices 3 6.2 Procedures 3 6.2.1 Provision/withdrawal 3 6.2.2 Normalprocedures 3 6.2.3 Exceptionalprocedures 4 6.3 InteractionwithothersupplementaryservicesandANFs 4 6.3.1 CallingLineIdentificationPrese
5、ntation(SSCLIP) 4 6.3.2 ConnectedLineIdentificationPresentation(SSCOLP) 4 6.3.3 Calling/connectedLineIdentificationRestriction(SSCLIR) 4 6.3.4 CallingNameIdentificationPresentation(SSCNIP) 4 6.3.5 ConnectedNameIdentificationPresentation(SSCONP) 4 6.3.6 Calling/connectedNameIdentificationRestriction(
6、SSCNIR) 4 6.3.7 CompletionofCallstoBusySubscriber(SSCCBS) 4 6.3.8 CompletionofCallsonNoReply(SSCCNR) 4 6.3.9 CallTransfer(SSCT) 4 6.3.10 CallForwardingUnconditional(SSCFU) 5 ISO/IEC1998 Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedor utilizedinanyformorbyanymeans,
7、electronicormechanical,includingphotocopyingandmicro film,withoutpermissioninwritingfromthepublisher. ISO/IECCopyrightOffice CasePostale56 CH1211Genve20 Switzerland PrintedinSwitzerland ISO/IEC ISO/IEC13863:1998(E) iii 6.3.11 CallForwardingBusy(SSCFB) 5 6.3.12 CallForwardingNoReply(SSCFNR) 5 6.3.13
8、CallDeflection(SSCD) 5 6.4 Interworkingconsiderations 5 6.5 OverallSDL 5 7 ANFPRstage2specificationbasicoperation 6 7.1 Functionalmodel 6 7.1.1 Functionalmodeldescription 6 7.1.2 Descriptionofthefunctionalentities 7 7.1.3 Relationshipoffunctionalmodeltobasiccallfunctionalmodel 7 7.2 Informationflows
9、 8 7.2.1 Definitionofinformationflows 8 7.2.2 Relationshipofinformationflowstobasiccallinformationflows 9 7.2.3 Examplesofinformationflowsequences 9 7.3 Functionalentityactions 12 7.3.1 FunctionalentityactionsofFE1 12 7.3.2 FunctionalentityactionsofFE2 12 7.4 Functionalentitybehaviour 12 7.4.1 Behav
10、iourofFE1 13 7.4.2 BehaviourofFE2 14 7.5 Allocationoffunctionalentitiestophysicalequipment 15 7.6 Interworkingconsiderations 15 8 ANFPRstage2specificationreuseofconnectionelements 15 8.1 Functionalmodel 15 8.1.1 Functionalmodeldescription 15 8.1.2 Descriptionofthefunctionalentities 16 8.1.3 Relation
11、shipoffunctionalmodeltobasiccallfunctionalmodel 16 8.2 Informationflows 17 8.2.1 Definitionofinformationflows 17 8.2.2 Relationshipofinformationflowstobasiccallinformationflows 17 8.2.3 Examplesofinformationflowsequences 17 8.3 Functionalentityactions 21 8.3.1 FunctionalentityactionsofFE1 21 8.3.2 F
12、unctionalentityactionsofFE2 21 8.3.3 FunctionalentityactionsofFE3 21 8.4 Functionalentitybehaviour 21 8.4.1 BehaviourofFE1 21 8.4.2 EnhancedbehaviourofFE2 22 8.4.3 BehaviourofFE3 23 8.5 Allocationoffunctionalentitiestophysicalequipment 24 8.6 Interworkingconsiderations 24 9 ANFPRstage2specificationb
13、asicoperationwithinvitingentity 24 9.1 Functionalmodel 24 9.1.1 Functionalmodeldescription 24ISO/IEC13863:1998(E) ISO/IEC iv 9.1.2 Descriptionofthefunctionalentities 24 9.1.3 Relationshipoffunctionalmodeltobasiccallfunctionalmodel 24 9.2 Informationflows 25 9.2.1 Definitionofinformationflows 25 9.2.
14、2 Relationshipofinformationflowstobasiccallinformationflows 26 9.2.3 Examplesofinformationflowsequences 26 9.3 Functionalentityactions 30 9.3.1 FunctionalentityactionsofFE1 30 9.3.2 FunctionalentityactionsofFE2 30 9.3.3 FunctionalentityactionsofFE4 30 9.4 Functionalentitybehaviour 30 9.4.1 Behaviour
15、ofFE1 31 9.4.2 BehaviourofFE2 32 9.4.3 BehaviourofFE4 32 9.5 Allocationoffunctionalentitiestophysicalequipment 32 9.6 Interworkingconsiderations 33 Annexes A CircumstancesinwhichANFPRmightbeinvoked 34 B Avoidanceofunacceptabledisruptiontouserinformation 36 ISO/IEC ISO/IEC13863:1998(E) v Foreword ISO
16、(theInternationalOrganizationforStandardization)andIEC(theInternationalElectrotechnicalCommission)formthe specializedsystemforworldwidestandardization.NationalbodiesthataremembersofISOorIECparticipateinthe developmentofInternationalStandardsthroughtechnicalcommitteesestablishedbytherespectiveorganiz
17、ationtodealwith particularfieldsoftechnicalactivity.ISOandIECtechnicalcommitteescollaborateinfieldsofmutualinterest.Other internationalorganizations,governmentalandnongovernmental,inliaisonwithISOandIEC,alsotakepartinthework. Inthefieldofinformationtechnology,ISOandIEChaveestablishedajointtechnicalc
18、ommittee,ISO/IECJTC1.Draft InternationalStandardsadoptedbythejointtechnicalcommitteearecirculatedtonationalbodiesforvoting.Publicationasa n InternationalStandardrequiresapprovalbyatleast75%ofthenationalbodiescastingavote. InternationalStandardISO/IEC13863waspreparedbyECMA(asECMA175)andwasadopted,und
19、eraspecial“fasttrack procedure”,byJointTechnicalCommitteeISO/IECJTC1, Informationtechnology,inparallelwithitsapprovalbynational bodiesofISOandIEC. Thissecondeditioncancelsandreplacesthefirstedition(ISO/IEC13863:1995),whichhasbeentechnicallyrevised. AnnexesAandBofthisInternationalStandardareforinform
20、ationonly.ISO/IEC13863:1998(E) ISO/IEC vi Introduction ThisInternationalStandardisoneofaseriesofInternationalStandardsdefiningservicesandsignallingprotocolsapplicable to PrivateIntegratedServicesNetworks(PISNs).TheseriesusesISDNconceptsasdevelopedbyITUTandconformstothe frameworkofInternationalStanda
21、rdsforOpenSystemsInterconnectionasdefinedbyISO/IEC. ThisInternationalStandardspecifiesthePathReplacementadditionalnetworkfeature. ThisInternationalStandardisbaseduponthepracticalexperienceofECMAmembercompaniesandtheresultsoftheiractive andcontinuousparticipationintheworkofISO/IECJTC1,ITUT,ETSIandoth
22、erinternationalandnationalstandardization bodies.Itrepresentsapragmaticandwidelybasedconsensus.INTERNATIONALSTANDARD ISO/IEC ISO/IEC13863:1998(E) 1 InformationtechnologyTelecommunicationsandinformationexchangebetween systemsPrivateIntegratedServicesNetworkSpecification,functionalmodeland information
23、flowsPathreplacementadditionalnetworkfeature 1 Scope ThisInternationalStandardspecifiesthePathReplacementadditionalnetworkfeature(ANFPR),whichisapplicableto variousbasicservicessupportedbyPrivateIntegratedServicesNetworks(PISN).Basicservicesarespecifiedin ISO/IEC11574. ANFPRisafeaturewhichappliestoa
24、nestablishedcall,allowingthatcallsconnectionbetweenPrivateIntegratedServices NetworkExchanges(PINXs)tobereplacedbyanewconnection.Ifthenewconnectionisrequiredtosatisfycertaincriteria, ANFPRshouldbeusedinconjunctionwithothersupplementaryservicesand/orANFs.AnnexAgivesexamplesofthe circumstancesunderwhi
25、chANFPRcanbeusedandcriteriawhichcangoverntheselectionofthenewconnection. Additionalnetworkfeaturespecificationsareproducedinthreestages,accordingtothemethoddescribedinCCITT RecommendationI.130forsupplementaryservices.ThisInternationalStandardcontainsthestage1andstage2specifications ofANFPR.Thestage1
26、specification(clause6)specifiesthefeatureasseenbyanentitywhichinitiatespathreplacement,th e ANFPRuser.Thestage2specification(clauses7,8and9)identifiesthefunctionalentitiesinvolvedinthefeatureandthe informationflowsbetweenthem.Clause7containsthestage2specificationforbasicoperationofthefeature.Clause8
27、 containsthestage2specificationforanenhancedmodeofworkingwhichcanbeemployedwhensupportedbyallthe equipmentinvolved.Itallowssomeoftheelementsoftheoldconnectiontobereused.Clause9containsthestage2 specificationforanoptionalenhancementofthebasicoperationofthefeature.ItallowstheANFPRusertobelocatedinany
28、PINXintheoldconnectionandtodecidethedirectionofthenewconnection. 2 Conformance InordertoconformtothisInternationalStandard,astage3standardshallspecifysignallingprotocolsandequipment behaviourthatarecapableofbeingusedinaPISNwhichsupportsthefeaturespecifiedinthisInternationalStandard.This meansthat,to
29、claimconformance,astage3standardisrequiredtobeadequateforthesupportofthoseaspectsofclause6 (stage1)andclauses7,8and9(stage2)whicharerelevanttotheinterfaceorequipmenttowhichthestage3standardappli es. 3 Normativereferences Thefollowingstandardscontainprovisionswhich,throughreferenceinthistext,constitu
30、teprovisionsofthisInternational Standard.Atthetimeofpublication,theeditionsindicatedwerevalid.Allstandardsaresubjecttorevision,andpartiesto agreementsbasedonthisInternationalStandardareencouragedtoinvestigatethepossibilityofapplyingthemostrecent editionsofthestandardsindicatedbelow.MembersofIECandIS
31、OmaintainregistersofcurrentlyvalidInternational Standards. ISO/IEC11571:1994, InformationtechnologyTelecommunicationsandinformationexchangebetweensystems Numberingandsubaddressinginprivateintegratedservicesnetworks. ISO/IEC11574:1994, InformationtechnologyTelecommunicationsandinformationexchangebetw
32、eensystemsPrivate IntegratedServicesNetworkCircuitmode64kbit/sbearerservicesServicedescription, functionalcapabilitiesandinformationflows. ISO/IEC115791:1994, InformationtechnologyTelecommunicationsandinformationexchangebetweensystemsPrivate IntegratedServicesNetworkPart1:ReferenceconfigurationforPI
33、SNExchanges(PINX). ITUTRec.I.112:1993, VocabularyoftermsforISDNs. CCITTRec.I.130:1988, MethodforthecharacterizationoftelecommunicationservicessupportedbyanISDNandnetwork capabilitiesofanISDN. ITUTRec.I.210:1993, PrinciplesoftelecommunicationservicessupportedbyanISDNandthemeanstodescribethem. ITUTRec
34、.Z.100:1993, Specificationanddescriptionlanguage.ISO/IEC13863:1998(E) ISO/IEC 2 4 Definitions ForthepurposesofthisInternationalStandard,thefollowingdefinitionsapply. 4.1 Externaldefinitions Definitions ThisInternationalStandardusesthefollowingtermsdefinedinotherdocuments: - Basicservice (ITUTRec.I.2
35、10) - PrivateIntegratedServicesNetwork(PISN) (ISO/IEC115791) - PrivateIntegratedServicesNetworkExchange(PINX) (ISO/IEC115791) - Service (ITUTRec.I.112) - Signalling (ITUTRec.I.112) - SupplementaryService (ITUTRec.I.210) - User(exceptinthecontextofANFPRuser) (ISO/IEC11574) ThisInternationalStandardre
36、ferstothefollowingbasiccallfunctionalentities(FEs)definedinISO/IEC11574: - CallControl(CC) - CallControlAgent(CCA) ThisInternationalStandardreferstothefollowingbasiccallinterFErelationshipsdefinedinISO/IEC11574: - r1 - r2 - r3 ThisInternationalStandardreferstothefollowingbasiccallinformationflowsdef
37、inedinISO/IEC11574: - CHANNEL_ACKNOWLEDGErequest/indication - RELEASErequest/indication - RELEASEresponse/confirmation - SETUPrequest/indication - SETUPresponse/confirmation. ThisInternationalStandardreferstothefollowingbasiccallinformationflowserviceelementdefinedinISO/IEC11574: - DestinationNumber
38、. 4.2 Otherdefinitions 4.2.1Additionalnetworkfeature: Anadditionalnetworkfeature(ANF)isacapability,overandabovethatofabasic service,providedbyaPISN,butnotdirectlytoaPISNuser. 4.2.2ANFPRuser: Anentity,withinaPISN,thatrequestsANFPR. 4.2.3Call,basiccall: Aninstanceoftheuseofabasicservice. 4.2.4 Con n e
39、cti o n : AsdefinedinITUTRec.I.112,butlimitedtothecaseofprovidingforthetransferofsignalsbetweentwo PINXs. Note1AconnectionbetweentwoPINXscanpassthroughzeroormoreTransitPINXs. 4.2.5Newconnection: TheconnectionestablishedbyANFPRandusedtoreplaceallorpartoftheoldconnection. 4.2.6Oldconnection: Theconnec
40、tionexistingbeforeANFPRisinvoked. 4.2.7Tromboneconnection: AconnectionwhichhasbothitsendsinthesamePINXbutwhichinvolvesatleastoneTransit PINX. ISO/IEC ISO/IEC13863:1998(E) 3 5 Listofacronyms ANF AdditionalNetworkFeature ANFPR ANFPathReplacement CC CallControl(functionalentity) CCA CallControlAgent(fu
41、nctionalentity) CID CallIdentity(informationflowserviceelement) FE Functional Entity ISDN IntegratedServicesDigitalNetwork PINX PrivateIntegratedServicesNetworkExchange PISN PrivateIntegratedServicesNetwork PRE PathReplacementError(informationflow) PRI PathReplacementInvite(informationflow) PRP Path
42、ReplacementPropose(informationflow) PRR PathReplacementReuse(informationflow) PRRR PRRResult(informationflowserviceelement) PRS PathReplacementSetup(informationflow) PRSR PRSResult(informationflowserviceelement) RN RerouteingNumber(informationflowserviceelement) SDL SpecificationandDescriptionLangua
43、ge 6 ANFPRstage1specification 6.1 Description 6.1.1 General description ANFPRisinvokedbyanANFPRuserforanestablishedcall,allowingthatcallsconnectionthroughthePISNtobereplaced byanewconnection.ThedirectionofthenewconnectionmaybedecidedbytheANFPRuser.Ifthenewconnectionis requiredtosatisfycertaincriteria,ANFPRshouldbeusedinconjunctionwithothersupplementaryservicesand/orANFs. AnnexAgivesexamplesofthecircumstancesunderwhichANF
