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2G2ndGenerationMobileCommunicationsSystem第二代移动通信系统3G/3GMS3rdGenerationMobileCommunicationsSystem第三代移动通信系统3GPP3rdGenerationPartnershipProject第三代合作组织AAAAuthentication,Authorization,Accounting鉴权、授权、计费AAL1ATMAdaptationLayertype1ATM适配层类型1AAL2ATMAdaptationLayertype2ATM适配层类型2AAL5ATMAdaptationLayertype5ATM适配层类型5ABRAvailableBitRate可用比特率ACLAccessControlList访问控制列表ACSAdd,Compare,Select加,比,选ADMFAdministrationFunctionattheLIANLIAN中的管理功能实体ADTAdaptiveDynamicThreshold自适应动态阀值AGAccessGateway接入网关AIAcquisitionIndicatior捕获指示AICHAcquisitionIndicationChannel捕获指示信道ALIMATMLineInterfaceModulesubrackATM线路接口插框AMAccountManagement计费管理AMAcknowledgedMode确认模式AMRAdaptiveMultiRate自适应多速率ANSIAmericanNationalStandardInstitute美国国家标准组织AoCCAdviceofChargeCharging计费费用通知AoCIAdviceofChargeInformation计费信息通知PSTNPublicSwitchedTelephoneNetwork公用电话交换网SBASoftwaregeneratedgroupBlocking-Acknowledgementmessage软件产生的群闭塞证实消息SCCPSignallingConnectionControlPart信令连接控制部分SCMGSCCPManagementSCCP管理SCPServiceControlPoint业务控制点SGBSoftwaregeneratedGroupBlockingmessage软件产生的群闭塞消息SGUSoftwaregeneratedGroupUnblockingmessage软件产生的群解除闭塞消息SMSCShortMessageServiceCenter短消息业务中心SPSignallingPoint信令点SSPServiceSwitchingPoint业务交换点STPSignallingTransferPoint信令转接点SUASoftwaregeneratedgroupUnblocking-Acknowledgementmessage软件产生的群解除闭塞证实消息TCAPTransactionCapabilityApplicationPart事务处理能力应用部分TDRTransactionDetailRecord事务详细记录TUPTelephoneUserPart（SS7）电话用户部分UDTSUnitDaTaService单位数据业务VLRVisitorLocationRegister拜访位置寄存器WANWideAreaNetwork广域网WSWorkStation工作站XUDTSEnhancedUnitDaTaService增强的单位数据业务IPIntelligentPeripherals智能外设ISUPISDNUserPartISDN用户部分ITU-TITUTelecommunicationStandardizationSector国际电信联盟-电信标准部LANLocalAreaNetwork局域网LANSwitchLocalAreaNetworkSwitch以太网交换机LSSULinkStatusSignalUnit链路状态信令单元MAPMobileApplicationPart移动应用部分MBAMaintenanceorientedgroupBlocking-Acknowledgementmessage面向维护的群闭塞证实消息MGBMaintenanceorientedGroupBlockingmessage面向维护的群闭塞消息MGUMaintenanceorientedGroupUnblockingmessage面向维护的群解除闭塞消息MSCMobileSwitchingCentre移动交换中心MSUMessageSignalUnit消息信令单元MTPMessageTransferPart消息传递部分MTBFMeanTimeBetweenFailure平均故障间隔时间MTTRMeanTimeToRepair平均修复时间MUAMaintenanceorientedgroupUnblocking-Acknowledgementmessage面向维护的群解除闭塞证实消息NEBSNetworkEquipmentBuildingSystem网络设备制造系统OAMOperations,AdministrationandMaintenance操作、管理与维护OMAPOperationandMaintenanceApplicationPart操作维护应用部分OPCOriginationPointCode源信令点编码PPSPrePaidService预付费业务CICCircuitIdentificationCode电路识别码DBDataBase数据库DPCDestinationPointCode目的信令点编码DXCDigitalCrossConnectequipment数字交叉连接设备EAIEnterpriseApplicationIntegration企业应用集成FISUFill-InSignalUnit填充信令单元FIBForwardIndicatorBit前向指示比特FTPFileTransferProtocol文件传输协议GMSCGatewayMobileSwitchingCenter关口移动交换中心GSMGlobalSystemforMobileCommunications全球移动通信系统GTGlobalTitle全局码GUIGraphicUserInterface图形用户界面HBAHardwarefailureorientedgroupBlocking-Acknowledgementmessage面向硬件故障的群闭塞证实消息HGBHardwarefailureorientedGroupBlockingmessage面向硬件故障的群闭塞消息HGUHardwarefailureorientedGroupUnblockingmessage面向硬件故障的群解除闭塞消息HLRHomeLocationRegister归属位置寄存器HUAHardwarefailureorientedgroupUnblocking-Acknowledgementmessage面向硬件故障的群解除闭塞证实消息HWHighWay高速信号线IECInternationalElectrotechnicalCommission国际电工委员会IMSIInternationalMobileSubscriberIdentity国际移动用户标识IPInternetProtocol网际协议CGChargingGateway计费网关CGFChargingGatewayFunctionality计费网关实体CLRCellLossRate信元丢失率CLIPCallingLineIdentificationPresentationsupplementaryservice主叫识别提供补充业务AMSPaccessmultiserviceplatform多业务接入平台ATMasynchronoustransfermode异步传输模式BMSPBackbonemultiserviceplatform高速链路多业务平台CAGRcompoundannualgrowthrate复合成长率CAPEXcapitalexpenditure资本支出CLECcompetitivelocal-exchangecarriers具有竞争力的本地交换运营商FCCFederalCommunicatonsCommission美国通信委员会Gbpsgigabitpersecond千兆/秒IADintegratedaccessdevice综合接入装置IOCindependentoperatingcompany自主营业公司IPInternetProtocol网际协议IPPBXIP-privatebranchexchage网际协议专用交换机IPVNInternetProtocolVirtualPrivateNetwork网际协议虚拟专用通信网ISCInternationalSoftswitchConsortium国际软交换协会LANlocal-areanetwork局部网MPLSmultiprotocollabelswitching多协议标签交换NEBSNetworkEquipmentBuildingSystem网络设备制造系统NGnextgeneration下一代NGNnext-generationnetworking下一代网络OSMINEOperationsSystemsModificationofIntelligentNetworkElements智能网络元件的操作系统修改OSSoperationssupportsystem运行支援系统PRIPrimaryRateInterface原速率接口PSTNpublicswitchedtelephonenetwork公众交换电话网PTTPostal,TelegraphandTelephone邮政，电报和电话QOSqualityofservice服务质量R&Dresearchanddevelopment研究与开发ROIreturnoninvestment投资回收率SDHsynchronousdigitalhierarchy同步数字系统SIPsystem-in-a-package单封装系统SLAservice-levelagreement服务水平的协议SONETSynchronousOpticalNetwork同步光网络TDMtimedivisionmultipleaccess时分多址联接方式ACCAutomaticCongestionControlinformationmessage自动拥塞控制信息消息APIApplicationProgrammingInterface应用编程接口BIBBackwardIndicatorBit后向指示比特CAMELCustomizedApplicationsforMobileNetworkEnhancedLogic移动网增强逻辑的用户应用CAPCAMELApplicationPartCAMEL应用部分CDRCallDetailRecord呼叫详细记录CEConformitéEuropéene法语，符合欧盟（指令）