目录附录C 缩略语........................................................................................................................C-1附录C 缩略语AInterface BSC与BTS之间的接口ABIS AbisControl 访问控制AC AccessACCH Associated Control CHannel 随路控制信道ACK ACKnowledgement 确认ACS Additional Reselection Parameters附加重选参数指示IndicationAGCH Access Grant Channel 允许接入信道Interface MSC与BSC之间的接口A-Interface AMulti-Rate 自适应多速率AMR AdaptiveAPDU Application Protocol Data Unit 应用协议数据单元ARFCN Absolute Radio Frequency Channel绝对射频信道号Numberallowed 附着和分离允许ATT Attach-DetachBAllocation 广播控制信道分配BA BCCHBCCH Broadcast Control CHannel 广播控制信道Data 二进制编码数据BCD Binary-CodedBCF Base Station Control Function 基站控制功能Station 基站BS BaseBSC Base Station Controller 基站控制器BSIC Base Station Identity Code 基站识别码BSS Base Station Subsystem 基站子系统BSSAP Base Station Subsystem Application基站子系统应用部分PartBSSMAP Base Station Subsystem Management基站子系统应用管理部分Application PartBTSM Base Transceiver Station Management BTS管理CAllocation 小区分配CA CellCBA Cell Bar Access 小区禁止接入CBC Cell Broadcast Center 小区广播中心CBCH Cell Broadcast CHannel 小区广播信道CBQ Cell Bar Qualify 小区禁止限制CBS Cell Broadcast Service 小区广播业务CC CallControl 呼叫控制CCCH Common Control Channel 公共控制信道CCH Controlchannel 控制信道CCITT International Telegraph and TelephoneConsultative Committee 国际电报电话咨询委员会，现已更名为ITU，参见 ITUCCS Common Channel Signaling 共路信令方式CGI CellGlobalIdentification 全球小区识别码CI CellIdentity 小区识别CIC CircuitIdentification Code 电路识别码CKSN Circuit Identification Code 电路识别码CM ConnectionManagement接续管理CP Connection management Protocol 连接管理协议CR ConnectionRequest 连接请求CRC CyclicRedundancyCode循环冗余码CRO Cell Reselect Offset 小区重选偏移DDCCH Dedicated Control CHannel 专用控制信道DCS Digital Cellular System 数字蜂窝系统DLC Data Link Connection 数据链路连接DLCEP Data Link Connection End Point 数据连接端点DLCI Data Link Connection Identifier 数据链路连接标识DM DisconnectedMode 断开模式DPC Destination Point Code 目的地信令点编码DRX DiscontinuousReception非连续性接收DTDTAP Direct Transfer Application Part 直接传输应用部分DTMF Dual-ToneMulti-frequency双音多频DTX DiscontinuousTransmission非连续性发射ESub-Multiplexer E3子复用设备E3M E3Call 紧急呼叫EC EmergencyECSC Early Classmark Sending Control 早期类标发送控制EFR Enhanced full rate speech codec 增强型全速率语音编解码器Monitoring 环境监控eMLPP EnvironmentETSI European Telecommunications欧洲电信标准协会Standards InstituteFFACCH Fast Associated Control Channel 快速随路控制信道Number 帧号、帧序号FN FrameRate 全速率FR FullFUC Frame Unit Controller 帧单元控制器GInterfaceboard 光纤接口板GFBI FiberGMC2 Inter-Module Communication board 模块通信板GMCC Module Communication and Control模块通信控制板boardGOPT Local Optical Interface Board 光纤通信板GPRS General Packet Radio Service 通用分组无线业务GPS Global Position System 全球定位系统GSM Global System for Mobile全球移动通信系统CommunicationsGSNT GSM Signaling Switching Network信令交换网板BoardTitle 全局名、总称GT GlobalHHLR Home Location Register 归属位置寄存器Rate 半速HR HalfHSCSD High Speed Circuit Switched Data 高速电路交换数据IID IDentification/IDentity 识别element 信息单元、信息要素IE informationIMEI International Mobile Equipment Identity 国际移动设备标识IMSI International Mobile Station Identity 国际移动台标识ISDN Integrated Services Digital Network 综合业务数字网ISUP Integrated Services Digital NetworkISDN用户部分User Part/ISDN User PartITU-T International Telecommunication Union国际电信联盟-电信标准部- Telecommunication StandardizationSectorLL2ML Layer 2 Management Link 层2管理链路、2层管理链路AreaCode 位置区码LAC LocationLAI Location Area Identity 位置区号LAPD Link Access Procedure on the DD信道上的链路接入规程channelLAPDm Link Access Procedure on the DmDm信道上的链路接入规程channelService 位置业务/定位业务LCS LoCationLPN7 Common Channel Signaling Processing公共信道信令处理板BoardLSA Link State Advertisement 链路状态公告（广播）LSB Least Significant Bit 最低位MAllocation 移动台（频率）分配MA MobileMACS Maximum number of AMR Codec最大AMR编解码模式数ModeSMAP Mobile Application Part 移动应用部分MCC Mobile Country Code 移动国家码（代码）Discrimination 消息鉴别MDC MessageDistribution 消息分配MDT MessageEquipment 移动设备ME MobileManagement 移动性管理MM MobilityMMCC Mobility Management Call Control 移动性管理呼叫控制MMSMS Mobility Management Short Message移动性管理短消息业务ServiceMMSS Mobility Management Supplement移动性管理补充业务ServiceMNC Mobile Network Code 移动网编号、移动网编码MNS Mobile Network Signaling 移动网信令MOC Mobile Originated Call 移动台始发的呼叫Routing 消息路由MRT MessageStation 移动台(手机)MS MobileMSB. Most Significant Bit 最高位MSC Mobile Switching Center，Mobile Service移动交换中心、移动业务交换中心Switching CenterMSU Message Signaling Unit 消息信令单元MT Maintenance and Test console 维护测试消息MTP Message Transfer Part 消息传递部分NAcknowledgment 不承认NA NoNACK NegativeACKnowledgement否定应答Code 网络色码ColorNCC NetworkNECI New Establishment Causes Indication 半速率指示Identity 网络标识NI NetworkSubSystem 网络子系统NSS NetworkOOACSU Off Air Call Set Up 不占用空中通道的呼叫启动OM Operation & Maintenance 操作维护OMAP Operation and Maintenance Application操作维护应用部分PartOMC Operation and Maintenance Center 操作维护中心OML Operation & Maintenance Link 操作维护链路OPC Originating Point Code 源信令点编码OSI Open System(s) Interconnection 开放系统互连（模型）PPCH Open System(s) Interconnection 开放系统互连（模型）PCI Protocol Control Information 协议控制信息PCM Pulse Code Modulation 脉冲（编）码调制PCS Personal Communications Services 个人通信业务PD Discrimination 协议识别码PHY Physical Sublayer & Physical Layer 物理子层,物理层Parameter Indication 小区重选参数指示reselectionPI cellPLMN Public Land Mobile Network 公用陆地移动（通信）网Time 惩罚时间PT PenaltyControl 功率控制指示PWRC PowerQService 服务质量QoS QualityofRAccess 随机接入RA RandomRACH Random Access CHannel 随机接入信道number 随机数RAND RANDomFrequency 射频RF RadioRIL3 Radio Interface Layer 3 无线接口层3RLM Radio Link Management 无线链路管理Resource 无线资源RR RadioRSL Radio Signaling Link 无线信令链路RXLEV received signal level 接收信号等级RXQUAL received Signal Quality 接收信号质量SSABM Set Asynchronous Balanced Mode 建立异步平衡模式SACCH Slow Associated Control CHannel 慢速随路控制信道SAP Service Access Point 服务访问点、业务接入点SAPI Service Access Point Identification 业务接入点标识SCCP Signaling Connection and Control Part 信令连接控制部分Management SCCP管理SCMG SCCPSCS Set of AMR Codec modes Supported AMR编解码支持集SDCCH Stand-alone Dedicated Control Channel独立专用控制信道Indicator 业务指示码SI ServiceSIM Subscriber Identity Module 用户识别卡、SIM卡SLC Signaling Link Code 信令链路编码SLM Signaling Link Manager 信令链路管理（程序）SLS Signaling Link Selection 信令链路选择SLT Signaling Link Test 信令链路测试消息Management 会话管理SM SessionSMI Subsequent Modification Indication 后续修改指示SMLC Serving Mobile Location Center 服务移动位置中心SMS Short Message Service 短消息服务（业务）SNM Signaling Network Management 信令网管理消息Response 带符号相应SRES SignedSRM Signaling Route Management 信令路由管理SS SupplementaryService补充业务、附加业务SS7 Signaling System No.7 7号信令Number 子系统号SSN Sub-SystemSTM Signaling Traffic Management 信令业务管理TAdvance 定时提前量，时间提前量TA TimingTCAP Transaction Capabilities Application事务处理应用部分PartChannel 业务信道TCH TrafficTCSM Transcoder and Sub-Multiplexer 码变换与子复用单元（器）TDMA Time Division Multiple Access 时分多址（接入）TEI Terminal Endpoint Identification 终端末端标识符Identifier 事务标识TI TransactionTMSI Temp Mobile Subscriber Identifier 临时移动用户标识TN Time slot Number 时隙编号TRX Transceiver 收发信机specification(s)TS technical技术规范TUP Telephone User Part 电话用户部分UAcknowledgeUA Unnumbered未编号的认可Information(frame)UI Unnumbered无编号信息（帧）VVBS Voice Broadcast Service 语音广播业务VGCS Voice Group Call Service 语音群组呼叫业务VLR Visitor Location Register 拜访位置寄存器。