通信技术题库-GSM小区参数

FILENAMEGSM_____

缩写英文原意中文解释AA3-鉴权算法A3A38-一个实现A3和A8功能的单独算法A5/1-加密算法A5/1A5/2-加密算法A5/2A5/X-加密算法A5/07A8-产生密钥的算法A8ABAccessBurst突发访问ACAccessClass(C0toC15)访问类别(从C0到C15)

ApplicationContext应用上下文ACCAutomaticCongestionControl自动拥塞控制ACCHAssociatedControlChannel随路控制信道ACKACKnowledgement确认（用于信令）ACMAccumulatedCallMeter累计呼叫记录

AddressCompleteMessage地址完全的消息ACUAntennaCombiningUnit天线合成单元ADCADministrationCentre管理中心

AnaloguetoDigitalConverter模数转换ADNAbbreviatedDiallingNumber缩位拨号ADPCMAdaptiveDifferentialPulseCodeModulation自适应差分脉冲编码调制AEApplicationEntity应用实体AECAcousticEchoControl回音控制AEAdditionalElementaryFunctions附加基本单元AGCHAccessGrantChannel访问允许信道AiActionindicator动作指示AoCAdviceofCharge费用建议AoCCAdviceofChargeChargingsupplementaryservice费用建议补充服务AoCIAdviceofChargeInformationsupplementaryservice费用建议信息补充服务ASEApplicationServiceElement费用服务单元ASN.1AbstractSyntaxNotationOne抽象语法表示1ARFCNAbsoluteRadioFrequencyChannelNumber绝对无线频率信道数ARQAutomaticReQuestforretransmission自动重发请求ATT(flag)ATTach加入（用于信令）AUAccessUnit访问单元AuCAuthenticationCentre鉴权中心AUT(H)AUThentication鉴权BBABCCHAllocationBCCH分配BAICBarringofAllIncomingCallssupplementaryservice限制所有呼入呼叫的补充服务BAOCBarringofAllOutgoingCallssupplementaryservice限制所有呼出呼叫的补充服务BCCBaseTransceiverStation(BTS)ColourCode 基站收发器代码BCCHBroadcastControlChannel广播控制信道BCDBinaryCodedDecimal二进制编码的十进制BCFBasestationControlFunction基站控制功能BCIEBearerCapabilityInformationElement载波容量信息单元BERBitErrorRate误码率BFIBadFrameIndication坏帧指示BIallBarringofIncomingcallsupplementaryservices所有的限制呼入呼叫补充服务BICRoamBarringofIncomingCallswhenRoamingoutsidethehomePLMNcountrysupplementaryservice在注册的PLMN国家之外限制呼入呼叫的补充服务BmFullratetrafficchannel全速业务信道BNBitNumber比特数BOallBarringofOutgoingcallsupplementaryservices所有的限制呼出呼叫补充服务BOICBarringofOutgoingInternationalCallssupplementaryservice限制国际呼叫的补充服务BOICexHCBarringofOutgoingInternationalCallsexceptthosedirectedtotheHomePLMNCountrysupplementaryservice 除了直接呼叫注册的PLMN国家以外限制国际呼出呼叫的补充服务BSBasicService(group)载波服务

BearerService 基本服务BSGBasicServiceGroup基本服务组BSCBaseStationController基站控制器BSICBasetransceiverStationIdentityCode基站收发器鉴别码BSICNCELLBSICofanadjacentcell一个临近小区的BSICBSSBaseStationSystem基站子系统BSSAPBaseStationSystemApplicationPart基站子系统应用部分BSSMAPBaseStationSystemManagementApplicationPart基站子系统管理应用部分BSSOMAPBaseStationSystemOperationandMaintenanceApplicationPart基站子系统操作和维护应用部分BTSBaseTransceiverStation基站收发器，即常说的手机基站CCConditional有条件的CACellAllocation小区分配CAIhargeAdviceInformation收费建议信息CBCellBroadcast小区广播CBCCellBroadcastCentre小区广播中心CBCHCellBroadcastChannel小区广播信道CBMICellBroadcastMessageIdentifier小区广播信息标识符CCCountryCode国家代码

CallControl呼叫控制CCBSCompletionofCallstoBusySubscribersupplementaryservice对占线用户的完成呼叫的补充服务CCCHCommonControlChannel公用控制信道CCFConditionalCallForwarding条件呼叫转移CCHControlChannel控制信道CCITTComitéConsultatifInternationalTélégraphiqueetTéléphonique(TheInternationalTelegraphandTelephoneConsultativeCommittee)国际电报电话咨询委员会CCMCurrentCallMeter当前呼叫记录CCPCapability/ConfigurationParameter容量/配置参数CCPEControlChannelProtocolEntity控制信道协议实体CctCircuit电路CDURChargeableDURation要计费的时间CEDcalledstationidentifier被呼叫的基站标识符CEIRCentralEquipmentIdentityRegister中央设备识别寄存器CENDendofchargepoint 计费的结束点CEPTConférencedesadministrationsEuropéennesdesPostesetTelecommunications欧洲邮政和远程通信会议CFConversionFacility变换工具

allCallForwardingservices所有的呼叫转移服务CFBCallForwardingonmobilesubscriberBusysupplementaryservice移动用户遇忙呼叫转移补充服务CFNRcCallForwardingonmobilesubscriberNotReachablesupplementaryservice移动用户不在服务区呼叫转移补充服务CFNRyCallForwardingonNoReplysupplementaryservice无应答呼叫转移补充服务CFUCallForwardingUnconditionalsupplementaryservice无条件呼叫转移补充服务CHPCHargingPoint计费点CHVCardHolderVerificationinformation卡持有者验证信息CICellIdentity小区标识

CUGIndexCUG索引CIRCarriertoInterferenceRatio载波干扰比（载干比）CKSNCipheringKeySequenceNumber密钥序列码CLICallingLineIdentity呼叫线路标识CLIPCallingLineIdentificationPresentationsupplementaryservice呼叫线路标识显示补充服务CLIRCallingLineIdentificationRestrictionsupplementaryservice呼叫线路标识限制补充服务CMConnectionManagement连接管理CMDCoMmanD命令（用于信令）CMMChannelModeModify信道模式更改CNGCalliNGtone呼叫音调COLICOnnectedLineIdentity连接的线路标识COLPCOnnectedLineidentificationPresentationsupplementaryservice连接的线路标识显示补充服务COLRCOnnectedLineidentificationRestrictionsupplementaryservice连接的线路标识限制补充服务COMCOMplete完成（用于信令）CONNACKCONNectACKnowledgement连接确认（用于信令）C/RCommand/Responsefieldbit命令/相应区域比特CRCCyclicRedundancyCheck(3bit)冗余循环校验（3比特）CRECallREestablishmentprocedure呼叫重建立过程CSPDNCircuitSwitchedPublicDataNetwork电路交换公众数据网CTCallTransfersupplementaryservice呼叫转移补充服务

ChannelTester信道测试

ChannelType信道类型CTRCommonTechnicalRegulation通用技术规定CUGClosedUserGroupsupplementaryservice关闭用户组补充服务CTRCommonTechnicalRegulation通用技术规定CWCallWaitingsupplementaryservice呼叫等待补充服务DDACDigitaltoAnalogueConverter数模转换DBDummyBurst哑元突发DCCHDedicatedControlChannel专用控制信道DCEDataCircuitterminatingEquipment数据电路终端DCFDataCommunicationFunction数据通信功能DCMDataConversionModule数据转换模块DCNDataCommunicationNetwork数据通信网DCS1800DigitalCellularSystemat1800MHz1800MHz数字蜂窝系统，和900MHzGSM系统并称双频网DETDETach离开（用于信令）DISCDISConnect断开连接（用于信令）DLDataLink(layer)数据链路层DLCIDataLinkConnectionIdentifier数据链路连接标识DLDDataLinkDiscriminator数据链路鉴别器DmControlchannel(ISDNterminologyappliedtomobileservice)控制信道（应用于移动服务的ISDN术语）DMRDigitalMobileRadio数字无线移动DNICDatanetworkidentifier数据网标识DPDial/DialledPulse拨号脉冲DRXDiscontinuousreception(mechanism)非连续的接收DSEDataSwitchingExchange数据交换DSIDigitalSpeechInterpolation数字语音插值DSS1DigitalSubscriberSignallingNo1一号数字用户信令DTAPDirectTransferApplicationPart直接传送应用部分DTEDataTerminalEquipment数据终端DTMFDualToneMultiFrequency(signalling)双音多频。使用两种频率(每一种频率都从四个频率中选取)来传送数字地址信息DTXDiscontinuoustransmission(mechanism)非连续传送EEAExternalAlarms外部警告EBSGElementaryBasicServiceGroup 基本服务组ECMErrorCorrectionMode(facsimile)差错纠正模式（电传）Ec/NoRatioofenergypermodulatingbittothenoisespectraldensity每调制比特功率和噪声频谱密度的比率ECTExplicitCallTransfersupplementaryservice显式呼叫转移补充服务EELElectricEchoLoss电力回波损耗EIREquipmentIdentityRegister设备标识寄存器ELEchoLoss回波损耗EMCElectroMagneticCompatibility电磁兼容性EMIElectroMagneticInterference电磁干扰eMLPPenhancedMultiLevelPrecedenceandPreemptionservice增强多层优先服务EMMIElectricalManMachineInterface电力人机接口EPROMErasableProgrammableReadOnlyMemory可擦除的可编程只读存储器ERPEarReferencePoint听力参考点

EquivalentRadiatedPower等价辐射功率ERRERRor错误（用于信令）ETRETSITechnicalReportETSI技术报告ETSEuropeanTelecommunicationStandard欧洲电信标准ETSIEuropeanTelecommunicationsStandardsInstitute欧洲电信标准协会FFAFullAllocation完全分配

FaxAdaptor传真适配器FACFinalAssemblyCode最终集结码FACCHFastAssociatedControlCHannel快速随路控制信道FACCH/FFastAssociatedControlChannel/Fullrate快速随路控制信道/全速率FACCH/HFastAssociatedControlChannel/Halfrate快速随路控制信道/半速率FBFrequencycorrectionBurst突发频率校正FCCHFrequencyCorrectionCHannel频率校正信道FCSFrameCheckSequence帧检查序列FDMFrequencyDivisionMultiplex频分多路复用FDNFixedDiallingNumber固定拨号FECForwardErrorCorrection前向纠错FERFrameErasureRatio帧消除比率FHFrequencyHopping跳频FNFrameNumber帧数FRFullRate全速率FTAFinalTypeApproval最终型号批准FTAMFileTransfer,AccessandManipulation文件传输、访问和使用Ftnforwardedtonumber转移到号码

GCRGroupCallRegister组呼叫寄存器GMSCGatewayMobileservicesSwitchingCentre应答服务交换中心网关GMSKGaussianMinimumShiftKeying(modulation)高斯整形滤波最小频移键控（调制方法）GPAGSMPLMNAreaGSMPLMN区域GPRSGeneralPacketRadioService通用分组无线服务GPRSGeneralPowerSupplyUnit通用功率电源单元GSAGSMSystemAreaGSM系统区域GSMGlobalSystemforMobilecommunications全球移动通信系统GSMMSGSMMobileStationGSM移动台（即手机）GSMPLMNGSMPublicLandMobileNetworkGSM公用陆地移动网络GTGlobalTitle全球标识HHANDOHANDOver切换（用于信令）HDLCHighlevelDataLinkControl高层数据链路控制HLCHighLayerCompatibility高层兼容性HLRHomeLocationRegister归属位置寄存器HOLDCallholdsupplementaryservice卡持有补充服务HPLMNHomePLMN归属PLMNHPUHandPortableUnit手持单元HRHalfRate半速率HSNHoppingSequenceNumber跳频序列数字HUHomeUnits归属单元IIInformationframes(RLP)信息帧IAIncomingAccess(closedusergroupSS)呼入接入（关闭用户组补充业务）IAMInitialAddressMessage初始地址消息ICInterlockCode(CUGSS)互锁码（关闭用户组补充业务）ICBIncomingCallsBarred(withintheCUG)限制呼入呼叫（关闭用户组补充业务）ICCIntegratedCircuit(s)Card集成电路卡IC(pref)InterlockCodeofthepreferentialCUG优先互锁码（关闭用户组补充业务）ICMInCallModification呼入呼叫更改IDIDentification/IDentity/Identifier标识IDNIntegratedDigitalNetwork综合数字网IE(signalling)InformationElement信息单元（用于信令）IECInternationalElectrotechnicalCommission国际电工技术委员会。负责电工技术标准化的委员会,包括器材、元件以及测量方法的标准化。其某些工作涉及远程通信技术在有线、电缆、波导以及共用天线电视系统中的应用IEIInformationElementIdentifier信息单元标识IETSInterimEuropeanTelecommunicationsStandard临时欧洲电信标准IMEIInternationalMobilestationEquipmentIdentity国际移动台设备标识IMSIInternationalMobileSubscriberIdentity国际移动用户标识INInterrogatingNode询问节点ISCInternationalSwitchingCentre国际交换中心ISDNIntegratedServicesDigitalNetwork综合业务数字网ISOInternationalOrganizationforStandardization国际标准化组织ISUPISDNUserPart(ofsignallingsystemNo.7)ISDN用户部分（属于七号信令系统）ITCInformationTransferCapability信息传送容量ITUInternationalTelecommunicationUnion国际电信联盟IWFInterWorkingFunction互连功能IWMSCInterWorkingMSC互连的MSCIWUInterWorkingUnit互连单元KkWindowssize窗口大小KConstraintlengthoftheconvolutionalcode卷积码的约束长度KcCipheringkey密钥KiIndividualsubscriberauthenticationkey用户鉴权密钥

LL1Layer1第一层（OSI物理层）L2MLLayer2ManagementLink第二层管理链路（OSI数据链路层）L2RLayer2Relay第二层中继L2RBOP L2RBitOrientatedProtocolBOP第二层中继比特主叫协议L2RCOPL2RCharacterOrientatedProtocolCOP第二层中继符号主叫协议L3Layer3第三层（OSI网络层）LALocationArea位置区域LACLocationAreaCode位置区域码LAILocationAreaIdentity位置区域标识LANLocalAreaNetwork本地网LAPBLinkAccessProtocolBalanced平衡的链路接入协议LAPDmLinkAccessProtocolontheDmchannel在Dm信道上的链路接入协议LCNLocalCommunicationNetwork本地通信网LELocalExchange本地交换LILengthIndicator长度指示（指信令帧中的某些部分）

LineIdentity线路标识

LinkInteface链路接口

LineInterface线路接口LLCLowLayerCompatibility低层兼容性LmTrafficchannelwithcapacitylowerthanaBm容量低于Bm的业务信道LMSILocalMobileStationIdentity本地应答站标识LMSILocalMaintainanceTerminal本地维护终端LNALowNosieAmplifier低噪声放大器LNDLastNumberDialled上次拨叫号码LPLMNLocalPLMN本地PLMNLRLocationRegister位置寄存器LSTRListenerSideToneRating被呼叫人的侧音比率LTELocalTerminalEmulator本地终端模拟器LULocalUnits本地单元

LocationUpdate位置更新LVLengthandValue长度和含义（指信令帧中的某些部分）MMMandatory必须的（指信令帧中的某些部分）MAMobileAllocation移动分配MACNMobileAllocationChannelNumber移动分配信道号MAFMobileAdditionalFunction移动附加功能MAHMobileAccessHuntingsupplementaryservice移动接入搜寻补充业务MAIMobileAllocationIndex移动分配索引MAIOMobileAllocationIndexOffset移动分配索引偏移MAP移动应用部分（用于MSC间的信令）MobileApplicationPartMCCMobileCountryCode移动国家代码MCIMaliciousCallIdentificationsupplementaryservice恶意呼叫识别补充业务MDMediationDevice仲裁设备MDL(mobile)Management(entity)DataLink(layer)（移动）管理（实体）数据链路（层）MEMaintenanceEntity维护实体

MobileEquipment移动设备MEFMaintenanceEntityFunction维护实体功能MFMultiFrame多帧MHSMessageHandlingSystem消息处理系统MICMobileInterfaceController移动接口控制MLSEMaximumLikelihoodSequence最大似然序列估计MMManMachine人机

MobilityManagement移动性管理MMEMobileManagementEntity移动管理实体MMIManMachineInterface人机接口MNCMobileNetworkCode移动网络代码MOMobileOriginated移动主叫MOMobileOriginatingCall移动主叫MoUMemorandumofUnderstanding谅解备忘录MPH(mobile)Management(entity)PHysical(layer)（移动）管理（实体）物理（层）MPTYMultiParTY(MultiParTY)supplementaryservice多方补充业务MRPMouthReferencePoint口参考点MSMobileStation移动台（手机）MSCMobileservicesSwitchingCentre,MobileSwitchingCentre移动（业务）交换中心MSCMMobileStationClassMark移动台类别标志MSCUMobileStationControlUnit移动台控制单元MSISDNMobileStationInternationalISDNNumber移动台国际ISDN号码（就是手机号139XXXXXXX）MSRNMobileStationRoamingNumber移动台漫游号码MTMobileTerminated移动被叫MT(0,1,2)MobileTermination移动终端MTBFMeanTimeBetweenFailure平均无故障时间MTCMobileTerminatingCall移动被叫MTMMobileToMobile(call)移动台到移动台的呼叫MTPMessageTransferPart消息传送部分MU MarkUp标记MUMSMultiUserMobileStation多用户移动台NN/WNetwork网络NBNormalBurst正常突发NBINAparameterinthehoppingsequence一个跳频序列中的参数NCCNetwork(PLMN)ColourCode网络（PLMN）代码NCELLNeighbouring(ofcurrentserving)Cell当前小区的临近小区NCHNotificationCHannel通告信道NDCNationalDestinationCode本国目的代码NDUBNetworkDeterminedUserBusy由网络确定用户忙NE

NetworkElement网络单元NEFNetworkElementFunction网络单元功能NETNormeEuropeennedeTélécommunications欧洲电信联盟NFNetworkFunction网络功能NICNetworkIndependentClocking与网络无关的定时

NM NetworkManagement网络管理NMCNetworkManagementCentre网络管理中心NMSINationalMobileStationIdentificationnumber本国移动台标识号码NPINumberPlanIndentifier号码设计标识NSAPNetworkServiceAccessPoint网络业务接入点NTNetworkTermination网络终端

NonTransparent非透明NTAABNewTypeApprovalAdvisoryBoard新类型批准咨询部门NUANetworkUserAccess网络用户接入NUINetworkUserIdentification网络用户标识NUPNationalUserPart(SS7)本国用户部分（七号信令的一部分）OOOptional可选的（指信令帧中的某些部分）OAOutgoingAccess(CUGSS)呼出接入（CUGSS）O&MOperations&Maintenance操作和维护OACSUOffAirCallSetUp不占用空中信道的呼叫建立OCBOutgoingCallsBarredwithintheCUGCUG中限制呼出呼叫ODOptionalforoperatorstoimplementfortheiraim运营商为实现不同目的可选的部分OLROverallLoudnessRating峰值音量比率OMCOperations&MaintenanceCentre操作和维护中心OMLOperationsandMaintenanceLink操作和维护链路OMS-BOperationsandMaintenanceSystemfortheBSS对BSS的操作和维护系统OSOperatingSystem操作系统OSIOpenSystemInterconnection开放式系统互连(模型)，一种通信协议的7层抽象的参考模型,其中每一层执行某一特定任务。该模型的目的是使各种硬件在相同的层次上相互通信。这7层是:物理层、数据链路层、网路层、传输层、话路层、表示层和应用层OSIRMOSIReferenceModelOSI参考模式PPABXPrivateAutomaticBrancheXchange专用自动交换机，一种自动地将内部用户线连接到电话系统外线的专用电话交换机PADPacketAssembly/Disassemblyfacility分组集结/分解功能PCHPagingCHannel寻呼信道PCMPulseCodeModulation脉冲编码调制PDProtocolDiscriminator协议鉴别器

PublicData公用数据PDNPublicDataNetworks公用数据网PHPacketHandler分组处理

PHysical(layer)物理层PHIPacketHandlerInterface分组处理接口PIPresentationIndicator显示指示PICSProtocolImplementationConformanceStatement协议实现一致性申明PINPersonalIdentificationNumber个人识别码PIXTProtocolImplementationeXtrainformationforTesting用于测试的协议实现附加信息PLMNPublicLandsMobileNetwork公用陆地移动网络PPPerformanceManagement性能管理POIPointOfInterconnection(withPSTN)和PSTN互连点PPPointtoPoint点到点PPCCPeripheralProcessorforCCSS7对CCSS7的外围处理器PPEPrimativeProcedureEntity重要过程实体PPLDPeripheralProcessorforLAPD对LAPD的外围处理器PrefCUGPreferentialCUG优先的CUGPsLocationprobability位置可能性PSPDNPacketSwitchedPublicDataNetwork分组交换公用数据网PSTNPublicSwitchedTelephoneNetwork公用电话交换网PUCTPriceperUnitCurrencyTable每单元价格表PUKPINUnblokingKeyPIN码解锁密码PWPassWord密码QQAQ(Interface)AdapterQ接口适配器QAFQAdapterFunctionQ接口适配器功能QOSQualityOfService业务质量RRValueofReductionoftheMStransmittedRFpowerrelativetothemaximumallowedoutputpowerofthehighestpowerclassofMS(A)MS发送的射频功率与属于MS最高功率类型（A）的最大允许输出功率的差值RARAndommoderequestinformationfield随机模式请求信息区域RABRandomAccessBurst突发随机接入RACHRandomAccessCHannel随机接入信道RANDRANDomnumber(usedforauthentication)随机数（用于鉴权）RBERResidualBitErrorRatio剩余的误比特率RDIRestrictedDigitalInformation限制的数字信息RECRECommendation建议REJREJect(ion)拒绝（用于信令）RELRELease释放（用于信令）REQ请求（用于信令）REQuestRFRadioFrequency射频RFClRadioFrequencyChanne无线频率信道RFCHRadioFrequencyCHannel无线频率信道RFNReducedTDMAFrameNumber减少的TDMA帧数RFUReservedforFutureUse保留为将来使用RLPRadioLinkProtocol无线链路协议RLRReceiverLoudnessRating接收音量比率RMSRootMeanSquare(value)均方值RNTABLETableof128integersinthehoppingsequence跳频序列中的128个整数表ROSERemoteOperationServiceElement远程操作业务单元RPOARecognisedPrivateOperatingAgency辨识的专有的操作代理RRRadioResource无线资源RSERadioSystemEntity无线系统实体RSLRadioSignallingLink无线信令链路RSLRadioSubsystemManagement无线子系统管理RSZIRegionalSubscriptionZoneIdentity区域的预约区域标识RTERemoteTerminalEmulator远端终端模拟器RXReceivedsignallevel接收的信号强度RXAMODReceiverAntenaModule接收无线模块RXMUCOReceiverMultiCoupler接收多路耦合器RXQUALReceivedSignalQuality接收的信号质量SS/WSoftWare软件SABMSetAsynchronousBalancedMode置异步平衡模式SACCHSlowAssociatedControlChannel慢速随路控制信道SACCH/C4SlowAssociatedControlCHannel/SDCCH/4慢速随路控制信道/SDCCH/4SACCH/C8SlowAssociatedControlCHannel/SDCCH/8慢速随路控制信道/SDCCH/8SACCH/TSlowAssociatedControlCHannel/Trafficchannel慢速随路控制信道/业务信道SACCH/TFSlowAssociatedControlCHannel/TrafficchannelFullrate慢速随路控制信道/全速业务SACCH/THSlowAssociatedControlCHannel/TrafficchannelHalfrate慢速随路控制信道/半速业务信道SAPServiceAccessPoint业务接入点SAPIServiceAccessPointIndicator业务接入点指示SBSynchronizationBurst同步突发SCServiceCentre(usedforSMS)接入中心（用于SMS）

ServiceCode接入代码SCCPSignallingConnectionControlPart信令连接控制部分SCHSynchronizationChannel同步信道SCNSubChannelNumber子信道号SDCCHStandaloneDedicatedControlChannel独立专用控制信道SDLSpecificationDescriptionLanguage说明与描述语言SDTSDLDevelopmentToolSDL开发工具SDUServiceDataUnit业务数据单元SESupportEntity支持实体SEFSupportEntityFunction支持实体功能SFHSlowFrequencyHopping慢跳频SIScreeningIndicator屏蔽指示

ServiceInterworking业务互作用

SupplementaryInformation补充信息SIASupplemenataryInformationA补充信息ASIDSIlenceDescriptor无声描述SIMSubscriberIdentityModule用户识别模块（就是手机中的SIM卡）SLRSendLoudnessRating发送音量比率SLTMSignallingLinkTestMessage信令链路测试消息SMAPSystemManagementApplicationProcess系统管理应用程序SMSecurityManagement安全性管理SMEShortMessageEntity短消息实体SMGSpecialMobileGroup短消息组SMISESpercialManagementInformationServiceElement专用管理信息业务SMSShortMessageService短消息业务SMSCBShortMessageServiceCellBroadcast短消息业务小区广播SMSSCShortMessageServiceServiceCentre短消息业务业务中心SMS/PPShortMessageService/PointtoPoint短消息业务/点到点SmtShortmessageterminal短消息终端SNSubscriberNumber用户号码SNRSerialNumbeR序列号SOASuppressOutgoingAccess(CUGSS)抑制呼出接入（CUGSS）SPServiceProvider业务提供商

SignallingPoint信令点

SPare空（用于信令）SPCSignallingPointCode信令点代码SPCSuppressPreferentialCUG抑制优先的CUGSRESSignedRESponse(authentication)带符号的响应（鉴权）SSSupplementaryservice补充业务

SystemSimulator系统模拟器SSCSupplementaryserviceControlstring补充业务控制串SSNSubSystemNumber子系统号码SS7/SS#7 .SignallingSystemNo7七号信令STMRSideToneMaskingRating侧音屏蔽比率STPSignallingTransferPoint信令传输点SVNSoftwareVersionNumber软件版本号SWMSofewareManagement软件管理TTTimer时钟

Transparent透明的

Typeonly类型TATerminalAdaptor终端适配器

TimeAdvance时间提前量TACTypeApprovalCode类型批准代码TAFTerminalAdaptationFunction终端适配功能TBRTechnicalBasisforRegulation规定的技术基础TC TransactionCapabilities 处理能力TCAPTransactionCapabilitiesApplicatiompart事务处理能力应用部分TCHTrafficCHannel业务信道TCH/FAfullrateTCH一个全速业务信道TCH/F2,4AfullratedataTCH(<=2,4kbit/s)一个全速业务信道（<=2,4kbit/s）TCH/F4,8AfullratedateTCH(4,8kbit/s)一个全速业务信道（4,8kbit/s）TCH/F9,6AfullratedataTCH(9,6kbit/s)一个全速业务信道(9,6kbit/s)TCH/FSAfullrateSpeechT