INTERNATIONALTELECOMMUNICATIONUNIONITU-TD.201TELECOMMUNICATIONSTANDARDIZATIONSECTOROFITU(04/2000)SERIESD:GENERALTARIFFPRINCIPLESGeneraltariffprinciples–SettlementofinternationaltelecommunicationbalancesofaccountsGeneralprinciplesregardingcall-backpracticesITU-TRecommendationD.201(FormerlyCCITTRecommendation)ITU-TD-SERIESRECOMMENDATIONSGENERALTARIFFPRINCIPLESTERMSANDDEFINITIONSD.0GENERALTARIFFPRINCIPLESPrivateleasedtelecommunicationfacilitiesD.1–D.9TariffprinciplesapplyingtodatacommunicationservicesoverdedicatedpublicdatanetworksD.10–D.39ChargingandaccountingintheinternationalpublictelegramserviceD.40–D.44ChargingandaccountingintheinternationaltelemessageserviceD.45–D.49PrinciplesapplicabletoGII-InternetD.50–D.59ChargingandaccountingintheinternationaltelexserviceD.60–D.69ChargingandaccountingintheinternationalfacsimileserviceD.70–D.75ChargingandaccountingintheinternationalvideotexserviceD.76–D.79ChargingandaccountingintheinternationalphototelegraphserviceD.80–D.89ChargingandaccountinginthemobileservicesD.90–D.99ChargingandaccountingintheinternationaltelephoneserviceD.100–D.159DrawingupandexchangeofinternationaltelephoneandtelexaccountsD.160–D.179Internationalsound-andtelevision-programmetransmissionsD.180–D.184ChargingandaccountingforinternationalsatelliteservicesD.185–D.189TransmissionofmonthlyinternationalaccountinginformationD.190–D.191ServiceandprivilegetelecommunicationsD.192–D.195SettlementofinternationaltelecommunicationbalancesofaccountsD.196–D.209ChargingandaccountingprinciplesforinternationaltelecommunicationservicesprovidedovertheISDND.210–D.279ChargingandaccountingprinciplesforuniversalpersonaltelecommunicationD.280–D.284ChargingandaccountingprinciplesforintelligentnetworksupportedservicesD.285–D.299RECOMMENDATIONSFORREGIONALAPPLICATIONRecommendationsapplicableinEuropeandtheMediterraneanBasinD.300–D.399RecommendationsapplicableinLatinAmericaD.400–D.499RecommendationsapplicableinAsiaandOceaniaD.500–D.599RecommendationsapplicabletotheAfricanRegionD.600–D.699Forfurtherdetails,pleaserefertothelistofITU-TRecommendations.ITU-TD.201(04/2000)iITU-TRecommendationD.201Generalprinciplesregardingcall-backpracticesSummaryOwingtothefactthatthetelecommunicationindustryhaswitnessedconsiderableadvances,ithasenabledAdministrationstooffervariousoptionstocustomers,includingcall-backpractices.SomeofthesepracticesareconsideredillegalbysomeAdministrations,whiletheyareacceptedinthemoreliberalizedcountriesandmarkets.ThisRecommendationsetsoutprinciplesforAdministrationstofollowwhileprovidingorpermittingtheprovisionofcall-backpractices,takingintoconsiderationtheguidelinescontainedinResolution21ofKyoto1994,Resolution29ofWTSC-96,Resolution22ofWTDC-98andResolutionPLEN/5ofMinneapolis1998.SourceITU-TRecommendationD.201waspreparedbyITU-TStudyGroup3(1997-2000)andapprovedundertheWTSCResolution1procedureon18April2000.iiITU-TD.201(04/2000)FOREWORDTheInternationalTelecommunicationUnion(ITU)istheUnitedNationsspecializedagencyinthefieldoftelecommunications.TheITUTelecommunicationStandardizationSector(ITU-T)isapermanentorganofITU.ITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommendationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationStandardizationConference(WTSC),whichmeetseveryfouryears,establishesthetopicsforstudybytheITU-Tstudygroupswhich,inturn,produceRecommendationsonthesetopics.TheapprovalofITU-TRecommendationsiscoveredbytheprocedurelaiddowninWTSCResolution1.InsomeareasofinformationtechnologywhichfallwithinITU-T'spurview,thenecessarystandardsarepreparedonacollaborativebasiswithISOandIEC.NOTEInthisRecommendation,theexpressionAdministrationisusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatingagency.INTELLECTUALPROPERTYRIGHTSITUdrawsattentiontothepossibilitythatthepracticeorimplementationofthisRecommendationmayinvolvetheuseofaclaimedIntellectualPropertyRight.ITUtakesnopositionconcerningtheevidence,validityorapplicabilityofclaimedIntellectualPropertyRights,whetherassertedbyITUmembersorothersoutsideoftheRecommendationdevelopmentprocess.AsofthedateofapprovalofthisRecommendation,ITUhadnotreceivednoticeofintellectualproperty,protectedbypatents,whichmayberequiredtoimplementthisRecommendation.However,implementorsarecautionedthatthismaynotrepresentthelatestinformationandarethereforestronglyurgedtoconsulttheTSBpatentdatabase.ITU2001Allrightsreserved.Nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromITU.ITU-TD.201(04/2000)1ITU-TRecommendationD.201Generalprinciplesregardingcall-backpracticesIntroductionOwingtothefactthatthetelecommunicationindustryhaswitnessedconsiderableadvances,ithasenabledAdministrationstooffervariousoptionstocustomers,includingcall-backpractices.SomeofthesepracticesareconsideredillegalbysomeAdministrations,whiletheyareacceptedinthemoreliberalizedcountriesandmarkets.ThisRecommendationsetsoutprinciplesforAdm