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ID:48059554
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页数:13页
时间:2019-10-18
《ITU-TE.721(051999)(英)Networkgradeofserviceparameters…….pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、INTERNATIONALTELECOMMUNICATIONUNIONITU-TE.721TELECOMMUNICATION(05/99)STANDARDIZATIONSECTOROFITUSERIESE:OVERALLNETWORKOPERATION,TELEPHONESERVICE,SERVICEOPERATIONANDHUMANFACTORSQualityofservice,networkmanagementandtrafficengineering–Trafficengineering–ISDNtrafficengineer
2、ingNetworkgradeofserviceparametersandtargetvaluesforcircuit-switchedservicesintheevolvingISDNITU-TRecommendationE.721(PreviouslyCCITTRecommendation)ITU-TE-SERIESRECOMMENDATIONSOVERALLNETWORKOPERATION,TELEPHONESERVICE,SERVICEOPERATIONANDHUMANFACTORSOPERATION,NUMBERING,R
3、OUTINGANDMOBILESERVICESINTERNATIONALOPERATIONDefinitionsE.100–E.103GeneralprovisionsconcerningAdministrationsE.104–E.119GeneralprovisionsconcerningusersE.120–E.139OperationofinternationaltelephoneservicesE.140–E.159NumberingplanoftheinternationaltelephoneserviceE.160–E
4、.169InternationalroutingplanE.170–E.179TonesinnationalsignallingsystemsE.180–E.199MaritimemobileserviceandpubliclandmobileserviceE.200–E.229OPERATIONALPROVISIONSRELATINGTOCHARGINGANDACCOUNTINGINTHEINTERNATIONALTELEPHONESERVICEChargingintheinternationaltelephoneserviceE
5、.230–E.249MeasuringandrecordingcalldurationsforaccountingpurposesE.260–E.269UTILIZATIONOFTHEINTERNATIONALTELEPHONENETWORKFORNON-TELEPHONYAPPLICATIONSGeneralE.300–E.319PhototelegraphyE.320–E.329ISDNPROVISIONSCONCERNINGUSERSE.330–E.399QUALITYOFSERVICE,NETWORKMANAGEMENTAN
6、DTRAFFICENGINEERINGNETWORKMANAGEMENTInternationalservicestatisticsE.400–E.409InternationalnetworkmanagementE.410–E.419CheckingthequalityoftheinternationaltelephoneserviceE.420–E.489TRAFFICENGINEERINGMeasurementandrecordingoftrafficE.490–E.505ForecastingoftrafficE.506–E
7、.509DeterminationofthenumberofcircuitsinmanualoperationE.510–E.519Determinationofthenumberofcircuitsinautomaticandsemi-automaticoperationE.520–E.539GradeofserviceE.540–E.599DefinitionsE.600–E.699ISDNtrafficengineeringE.700–E.749MobilenetworktrafficengineeringE.750–E.79
8、9QUALITYOFTELECOMMUNICATIONSERVICES:CONCEPTS,MODELS,OBJECTIVESANDDEPENDABILITYPLANNINGTermsanddefinitionsrelatedtothe
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