ABC Administration Billing Center (管理列表中心)
AC Authentication Center (鉴权中心)
AC/DC AC/DC Converter (交直流转换)
ACOM Antenna Combiner (天线连接器)
ACT Alarm Collection Terminal (告警收集终端)
ACTA ACT Alarm Board (ACT告警板)
ACTC ACT Connection Board (ACT连接板)
ACTP ACT Processor Board (ACT处理板)
AE Alarm & Error Handling (告警错误管理)
AGC Automatic Gain Control (自动增益控制)
AMA Automatic Message Accounting (自动消息记帐)
ANT Antenna Transmitter Output (天线传输输出器)
AOC Advice of Charge
AOCC Advice of Charge - Charging level
AOCI Advice of Charge - Information level
APS Application Program System (应用程序系统)
ATM Asynchronous Transfer Mode (异步传输模式)
ATOP Automatic Operator (自动操作)
BA Basic Access (基本接入)
BAIC Barring of All Incoming Calls
BAOC Barring of All Outgoing Calls
BAP Base Processor (基站处理器)
BBSIG Baseband and Signal Processing (基站信令处理)
BCT Basic Craft Terminal (基站终端)
BDCG Bus Distributor Module with Clock Generator for DSU
(为DSU提供的带有时钟发生器的总线分配模块)
BIC-Roam Barring of All Incoming Calls when Roaming Outside Home PLMN Country
BMML Basic MML (基本人机对话语言)
BOIC Barring of All Outgoing International Calls
BOIC-exHC Barring of All Outgoing International Calls except to Home PLMN Country
BP Backplane (备板)
BSC Base Station Controller (基站控制器)
BSCI BSC Interface Card (BSC接口卡)
BSIC Base Station Identity Code (基站识别码)
BSS Base Station System (基站系统)
BSS Basestation Subsystem (基站子系统)
BSSAP Base Station System Application Part (基站系统应用部分)
BSSMAP Base Station System Management Application Part
(基站系统管理应用部分)
BTS Base Transceiver Station (基站收发台)
BTSE Base Transceiver Station Equipment (基站收发设备)
CAP Call Processor (呼叫处理器)
CBC Cell Broadcast Center (蜂窝广播中心)
CCBS Completion of Call to Busy Subscribers
CCG(A) Central Clock Generator A (主时钟发生器A)
CCNC Common Channel Signaling Network Control (公共信令控制)
CCNP Common Channel Signaling Network Processor (公共信令处理器)
CCS7 Common Channel Signaling System No. 7 (NO.7信令)
CCTRL Core Controller (主控)
CD ROM Compact Disc Read Only Memory
CDA Circuit Duplex Asynchronous (异步双工)
CDS Circuit Duplex Synchronous (同步双工)
CFB Call Forwarding on mobile subscriber Busy
CFNRc Call Forwarding on mobile subscriber Not Reachable
CFNRy Call Forwarding on No Reply
CFU Call Forwarding Unconditional
CLI Command Line Interface
CLIP Calling Line Identification Presentation (呼叫链路标示显示)
CLIR Calling Line Identification Restriction (呼叫链路标示限制)
CM Configuration Management (结构管理)
CMISE Common Management Information Service Element
(公共管理信息服务单元)
CML Command Manual (命令手册)
CMY Common Memory (公共存储器)
CNI Comfort Noise Insertion
COBA Core Basis
CONT Control
COSA Core Satellite
COU Control of Use
COUC Conference Unit C (会议单元)
CP113C Coordination Processor 113C (协调处理器113C)
CP113CR Coordination Processor 113CR (Rural Version)
(协调处理器113CR)农话版
CRP8 Code Receiver for Pushbutton Dialing, 8 Receiver Modules
CSC Combined Switching Center (组交换中心)
CSDN Circuit Switched Data Network (电路交换数字网)
CT Call Transfer (呼叫转移)
CU Carrier Unit (载波单元)
CUG Closed User Group (关闭用户群)
CW Call Waiting (呼叫等待)
D1800 Digital Mobile Radio Communication Network, GSM1800 Standard
(数字移动无线电通信网)
D900 Digital Mobile Radio Communication Network, GSM 900 Standard
DAS Digital Announcement System (数字广播系统)
DC Direct Current
DCBCTRL DC and Battery Controller (直流及电池控制)
DCN Data Communication Network (数据通信网)
DEC120 Digital Echo Compensator (数字回音补偿)
DIAMCO Dual Integrated Amplifier Multicoupler
(双工放大多路耦合器)
DLU Digital Line Unit (数字用户线单元)
DLUB Digital Line Unit B (数字用户线单元B)
DLUC Control for DLU System (in DSU/DLUB)
(数字用户线单元控制)
DPC
DRC Distance Related Charging
DSU Data Service Unit (数字服务单元)
DTAP Direct Transfer Application Part (直接转移申请部分)
DTLP Dual Trunk Line Interface (双口中继链路接口)