ITU-T E.177(10 1996) (英) B-ISDN routing

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1、INTERNATIONALTELECOMMUNICATIONUNION)45 4%TELECOMMUNICATION(10/96)STANDARDIZATIONSECTOROFITUSERIESE:TELEPHONENETWORKANDISDNOperation,numbering,routingandmobileservices–Internationaloperation–Internationalroutingplan" )3$.ROUTINGITU-TRecommendationE.177(PreviouslyCCITTRecommendation)ITU-TE-SER

2、IESRECOMMENDATIONS4%,%0(/.%.%47/2+!.$)3$./0%2!4)/..5-"%2).'2/54).'!.$-/"),%3%26)#%3INTERNATIONALOPERATIONE.100–E.229DefinitionsE.100–E.103GeneralprovisionsconcerningAdministrationsE.104–E.119GeneralprovisionsconcerningusersE.120–E.139OperationofinternationaltelephoneservicesE.140–E.159N

3、umberingplanoftheinternationaltelephoneserviceE.160–E.169)NTERNATIONALROUTINGPLAN%%TonesinnationalsignallingsystemsE.180–E.199MaritimemobileserviceandpubliclandmobileserviceE.200–E.229OPERATIONALPROVISIONSRELATINGTOCHARGINGANDACCOUNTINGINE.230–E.299THEINTERNATIONALTELEPHONESERVICEChargi

4、ngintheinternationaltelephoneserviceE.230–E.249ProceduresforremunerationofAdministrationsforfacilitiesmadeavailableE.250–E.259MeasuringandrecordingcalldurationsforaccountingpurposesE.260–E.269EstablishmentandexchangeofinternationalaccountsE.270–E.299UTILIZATIONOFTHEINTERNATIONALTELEPHONENETWORKFO

5、RNON-E.300–E.329TELEPHONYAPPLICATIONSGeneralE.300–E.319PhototelegraphyE.320–E.329ISDNPROVISIONSCONCERNINGUSERSE.330–E.39915!,)49/&3%26)#%.%47/2+-!.!'%-%.4!.$42!&&)#%.').%%2).'NETWORKMANAGEMENTE.400–E.489TRAFFICENGINEERINGE.490–E.799QUALITYOFTELECOMMUNICATIONSERVICES:CONCEPTS,MODELS,E.800–

6、E.899OBJECTIVESANDDEPENDABILITYPLANNINGForfurtherdetails,pleaserefertoITU-TListofRecommendations.ITU-TRECOMMENDATIONE.177B-ISDNROUTINGSummaryThisRecommendationprovidesroutingprinciplesinB-ISDN,inparticular,guidanceontheincorporationofservicerequirementsintothenetworkroutingprocess.SourceITU-TReco

7、mmendationE.177waspreparedbyITU-TStudyGroup2(1993-1996)andwasapprovedundertheWTSCResolutionNo.1procedureonthe8thofOctober1996.FOREWORDITU(InternationalTelecommunicationUnion)istheUnitedNationsSpecializedAgencyinthefiel