CCITT D.232 (rev.1) (06 1992) (英) Specific tariff

INTERNATIONALTELECOMMUNICATIONUNIONCCITTD.232(rev.1)THEINTERNATIONALTELEGRAPHANDTELEPHONECONSULTATIVECOMMITTEEGENERALTARIFFPRINCIPLESCHARGINGANDACCOUNTINGININTERNATIONALTELECOMMUNICATIONSSERVICESSPECIFICTARIFFANDACCOUNTINGPRINCIPLESAPPLICABLETOISDNSUPPLEMENTARYSERVICESRecommendationD.232(rev.1)Geneva,1992FOREWORDTheCCITT(theInternationalTelegraphandTelephoneConsultativeCommittee)isapermanentorganoftheInternationalTelecommunicationUnion(ITU).CCITTisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommendationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.ThePlenaryAssemblyofCCITTwhichmeetseveryfouryears,establishesthetopicsforstudyandapprovesRecommendationspreparedbyitsStudyGroups.TheapprovalofRecommendationsbythemembersofCCITTbetweenPlenaryAssembliesiscoveredbytheprocedurelaiddowninCCITTResolutionNo.2(Melbourne,1988).RecommendationD.232waspreparedbyStudyGroupIIIandwasapprovedundertheResolutionNo.2procedureonthe16thofJune1992.___________________CCITTNOTES1)InthisRecommendation,theexpression“Administration”isusedforconcisenesstoindicatebothatelecommunicationAdministrationandarecognizedprivateoperatingagency.2)AlistofabbreviationsusedinthisRecommendationcanbefoundinAnnexB.ITU1992Allrightsreserved.Nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromtheITU.RecommendationD.2321RecommendationD.232RecommendationD.232SPECIFICTARIFFANDACCOUNTINGPRINCIPLESAPPLICABLETOISDNSUPPLEMENTARYSERVICES(revised1992)1IntroductionGeneralchargingandaccountingprinciplesforISDNsupplementaryservicesmaybefoundinRecommendationD.230.ThisRecommendationindicatestheapplicationofthegeneralprinciplestoeachISDNsupplementaryservice.Thesupplementaryservicesareplacedinlogicalgroupingswheretheysharesimilarconsiderationsandchargingprinciples.AnnexAsummarizesthechargingmechanismsandsupportrequirements.2Chargingaspects2.1NumberidentificationThissectionprovideschargingprinciplesforthesupplementaryservices,CallingLineIdentificationPresentation(CLIP),CallingLineIdentificationRestriction(CLIR),ConnectedLineIdentificationPresentation(COLP)andConnectedLineIdentificationRestriction(COLR).DetaileddescriptionsoftheservicesareprovidedinRecommendationI.251,§3(CLIP),§4(CLIR),§5(COLP)and§6(COLR).Consideringthat:a)thecallinglinenumberandconnectedlinenumberarepresentinthesignallingmessagesassociatedwithcallcontrol;b)thesupplementaryservicesidentifiedabovemerelyalloworpreventthedisplayingoftheembeddedinformation;c)themechanismsare,therefore,invokedateitherthecallingorcalleduser'slocationanddonotrequireadditionalnetworkresourcesforinvocation,itisrecommendedthatthechargingprinciplesin§2.1.1beapplied.2.1.1ChargingprinciplesThedisplayorrestrictionservicemaybechargedforby:a)inclusionintherentalchargesraisedagainstcustomers;orb)thesettingofaseparatesubscriptioncharge;orc)apereventcharge,ord)combinationsofa)toc).2.2DirectDialling-InandMultipleSubscriberNumberThissectionprovideschargingprinciplesforthesupplementaryservices,Direct-Dialling-In(DDI)andMultipleSubscriberNumber(MSN).DetaileddescriptionsoftheservicesareprovidedinRecommendationI.251,§1(DDI)and§2(MSN).2RecommendationD.232Consideringthat:a)thecallestablishmentproceduresarefundamentallyunaltered;b)thesupplementaryservicesidentifiedabovemerelyallowthedirectestablishmentofcallstousersconnectedtointegratedservicesPBXsorpassivebusses;c)themechanismsareinvokedonlyatthecalleduser'slocationanddonotrequireadditionaloriginatingorinternationalnetworkresourcesforinvocation,itisrecommendedthatthechargingprinciplesin§2.2.1beapplied.2.2.1ChargingprinciplesTheservicesmaybechargedforbyeither:a)inclusionintherentalchargesraisedagainstcustomers;orb)thesettingofaseparatesubscriptioncharge.Thosechargeswouldnormallybeproportionaltothequantityofthenumbersassigned.2.3CallForwardandCallTransferThissectionprovideschargingprinciplesforthesupplementaryservices,CallTransfer(CT),CallForwardingBusy(CFB),CallForwardingNoReply(CFNR)andCallForwardingUnconditional(CFU).DetaileddescriptionsoftheservicesareprovidedinRecommendationI.252,§1(CT),§2(CFB),§3(CFNR)and§4(CFU).Consideringthat:a)CallTransferandCallForwardingarefunctionallyequivalent;b)thesupplementaryservicesidentifiedaboveallowthediversionofactive(CallTransfer),orincoming(CallForward)callstoathirdparty;c)themechanismsareinvokedonlyattheserveduser'slocationanddonotrequireadditionaloriginatingorinternationalnetworkresourcesforinvocation,itisrecommendedthatthechargingprinciplesin§2.3.1beapplied.2.3.1ChargingprinciplesTheservicesmaybechargedforbyeither:a)inclusionintherentalchargesraisedagainstcustomers;orb)thesettingofaseparatesubscriptioncharge;andc)ausagechargebaseduponthenumberofsuccessfulinvocations.Theserveduserisalsoresponsibleforthebasicchargesraisedagainstthetransferred(re-usedconnectionmethodonly)orforwardedcall.2.4LineHuntingThissectionprovideschargingprinciplesfortheLineHuntingsupplementaryservice.Detaileddescriptionoftheserviceisprovidedin