通信测试设备组CommunicationTestEquipmentGroup（CTEG）通信电路芯片CommunicationCircuitChip通信管理网TelecommunicationManagementNetworkTMN通信控制字段CommunicationControlField（CCF）通信口Com.Port通信量,业务量AmountofTraffic,Traffic通信测试设备组CommunicationTestEquipmentGroup（CTEG）通信电路芯片CommunicationCircuitChip通信管理网TelecommunicationManagementNetwork（TMN）通信控制字段CommunicationControlField（CCF）通信口Com.Port通信量,业务量AmountofTraffic,Traffic通信楼综合定时供给系统BuildingIntegratedTimingSupplyBITS通信前置机CommunicationFront-endProcessor通信设备进网NetworkAccessofCommunicationsEquipment通信设备进网质量认证QualityRecognitionCertificationForNetworkAccessofCommunicationEquipment通信设施CommunicationFacilities通信体系结构CommunicationArchitecture通信终端产品TelecomTerminalProduct通信阻断CommunicationBlock通讯板卡CommunicationCard通讯电缆CommunicationCable通用Universal,General,Common通用标记语言GeneralizedMarkupLanguageGML通用参数Commonparameter通用插座，万能插座UniversalSocket通用分组无线业务GeneralPacketRadioServiceGPRS通用个人通信UniversalPersonalTelecommunicationsUPT通用接入码UniversalAccessNumberUAN通用时隙交叉连接板GeneralTimeslotCross-connectionGTC通用式的All-Purpose通用移动通讯系统UniversalMobileTelecommunicationSystemUMTS通用中间格式CommonIntermediateFormatCIF通用总线GeneralBusGB通针和毛刷（协助焊接）NeedleandHairBrush（SolderingAid）通知NotificationN通知机AnnouncementMachineANM通知消息AnnouncementMessage通知音AnnouncementTone同波道干扰In-ChannelInterference同步synchronizationActuator执行器A:Amplifier放大器A:Attendance员工考勤A:Attenuation衰减AA:Antennaamplifier开线放大器AA:ArchitecturalAcoustics建筑声学AC:AnalogueController模拟控制器ACD:AutomaticCallDistribution自动分配话务ACS:AccessControlSystem出入控制系统AD:AddressableDetector地址探测器ADM:Add/DropMultiplexer分插复用器ADPCM:AdaptiveDifferentialulseCodeModulation自适应差分脉冲编码调制AF:AcousticFeedback声反馈AFR:Amplitude/FrequencyResponse幅频响应AGC:AutomatiGainControl自动增益控制AHU:AirHandlingUnit空气处理机组A-I:Auto-iris自动光圈AIS:AlarmIndicationSignal告警指示信号AITS:AcknowledgedInformationTransferService确认操作ALC:AutomatiLevelControl自动平衡控制ALS:AlarmSeconds告警秒ALU:AnalogueLinesUnit模拟用户线单元AM:AdministrationModule管理模块AN:AccessNetwork接入网ANSI:AmericanNationalStandardsInstitute美国国家标准学会APS:AutomaticProt