-
电信术语词典
A
A
和
B
p>
比特(
A & B
Bit
)
A
链接(
A
Links
)
A
和
B
比特信令(
A&B Bit
Signaling
)
ABAM
电缆(
ABAM
cable
)
呼叫取消(
Abandoned
Call
)
无人接听回应(
Abandonment
)
< br>
缩写的地址(
Abbreviated
address
)
缩写地址呼叫(
Abbreviated Address
Calling
)
缩位拨号(
Abbreviated
Dialing
)
ABCD
信号(
ABCD
signaling
)
ABCD
信号比特(
ABCD
Signaling Bits
)
ABCD
音调(
ABCD
Tones
)
ABDN
:
号码接线模块(
Attendant Blocking of
Directory Number
)
外出用户电话服务(
Absent
Subscriber Service
)
绝对延误(
Absolute
delay
)
吸收频带(
Absorption
Band
)
吸收系数(
Absorption
coefficient
)
吸收频谱(
Absorption
Spectrum
)
AC/DC
铃声(
AC/DC
Ringing
)
ACA
:自动电路保证(
Automatic
Circuit Assurance
)
ACB
:自动回电(
Automatic Call Back
)
接入试呼叫(
Access
Attempt
)
使用费(
Access
Charge
)
接入编码(
Access
Code
)
接入失败(
Access
Failure
)
接入组群(
Access
Group
)
接入线(
Access
Line
)
接入链接(
Access
Link
)
接入号码
(
Access
Number
)
接入保护(
Access
Protection
)
接入速度(
Access
Rate
)
接入中继(
Access
Tandem
)
帐号代码
(
Account
Code
)
Accunet
光谱数码服务(
Accunet
spectrum digital service
)
ACD
回电话信息(
ACD Call Back
Massaging
)
ACD
呼叫人直呼路由(
ACD
Caller Directed Call
Routing
)
ACD
中央电话总机(
ACD
Central Office
)
ACD
有条件的路由(
ACD
Conditional Routing
)
ACD
数据直接呼叫路由(
ACD Data Directed
Call Routing
)
ACD
智能呼叫处理(
ACD
Intelligent Call Processing
)
ACD
号码(
ACD
Number
)
< br>ACD
:自动呼叫分配器(
Automatic
Call Distributor
)
直流-交流振铃(
AC-DC
Ringing
)
ACELP
:代数码激励线性预测(
Algebrai
c Code Excited Linear
Prediction
)
音频连接(
Acoustic
Connection
)
ACSB
:振幅压缩扩展单边带(
Amplit
ude Compandored Sideband
)
ACTA
:美国电讯运营商协会(<
/p>
America's Carriers Telecommunications
Association
)
正在通话中的来电(
Active
Call
)
积极的活动(
Active
Campaign
)
正常工作的线路(
Active
Line
)
自动噪音控制(
Active Noise
control
)
主动接听(
Active
Participation
)
<
/p>
ACTS
:高级通讯技术和服务(欧洲)
(
Advanced
Communications
technologies
and
Services
(Europe)
)
ACTS
:自动电话投币服务(
p>
Automatic Coin Telephone
Service
)
ACU
:自动呼叫单元(
Automatic
Calling Unit
)
p>
ACX
:异步交叉连接(
Asynchro
nous Cross-connect
)
ADA
:平均放弃延长时间(
Average Delay to
Abandon
)
ADACC
:自动完成目录查询协助呼叫(
Autom
atic Directory Assistance Call
Completion
)
ADAD
:自动拨号和回应装置(
Automa
tic Dialing and Announcing
Device
)
适应性的通道分配(
Adaptive Channel
Allocation
)
ADAS
:自动地址目录查询帮助服务(
Aut
omated Directory Assistance
Service
)
ADC
:模拟信号到数字转化器(
Analog-
to-Digital Converter
)
允许第三方加入的电话功能(
Add-on
Conference
)
外加的数据模块(
Add-on Data
Module
)
完整地址信息(
Address Complete
Message
)
地址信息(
Address
Message
)
地址信号的发送(
Address
Signaling
)
指定的呼叫模式(
Addressed Call
Mode
)
ADE
:自适应的设计工程(
Adaptive
Design Engineering
)
临近的信号发送点(
Adjacent Signaling
Points
)
ADM
:加减多路复用器(
Add-
Drop Multiplexer
)
管理模块(
Administrative
Module
)
管理干线群(
Administrative Trunk
Group
)
ADPCM
:适配性差异脉冲编码调制(
Adaptive
Differential Pulse-Code
Modulation
)
高级交换分机(
Advanced Branch
Exchange
)
高空电缆(
Aerial
Cable
)
航空应急通讯系统项目(
Aeronautical
Emergency Communications System
Plan
)
整合设备(
Aggregation
Device
)
< br>AHT
:平均处理时间(
Average Handle
Time
)
AIC
:自动旁录中心(
Automatic
Intercept Center
)
AIDR
:现有的数据速率(
As-
Is Data Rate
)
p>
AIN
:高级智能网络(
Advanced
Intelligent Networks
)
AIOD
:自动识别向外拨号(
p>
Automatic Identified Outward
Dialing
)
全球地对空通讯系统(
Air-ground
worldwide communications
system
)
AIS
:警报指示信号(
Alarm
Indication Signal
)
AIS
:自动旁录系统(
Automatic Intercept System
)
A-Law
提示信号(
Alerting
signal
)
提示铃声(
Alerting
Tone
)
A-Link
:
SS7
通道链接(<
/p>
SS7 Access link
)
所有干线繁忙(
All Trunk
Busy
)
同质异晶(
Allomorphism
)
交替通道载波器(
Alternate Access
Carriers
)
交替传号反转信号(
Alternate Mark
Inversion Signal
)
交替通话人(
Alternate
party
)
AMA
:通话自动计费(
Automatic
Message Accounting
)
环境噪声水平(
Ambient
Noise Level
)
美国线规(
American Wire
Gauge
)
美国科技(
Ameritech
)
AMI
:交替传号反转(
Alternate Mark Inversion
)
电话放大听筒(
Amplified
Handset
)
ANAC
Number
:自动数字提示线路号(
Automatic
Number Announcement Circuit
Number
)
模拟桥(
Analog
Bridge
)
模拟载波系统(
Analog Carrier
System
)
模拟通道(
Analog
Channel
)
模拟数据(
Analog
Data
)
模拟解码(
Analog
Decoding
)
模拟传真(
Analog
Facsimile
)
模拟循环(
Analog Loop-
back
)
模拟信号(
Analog
Signal
)
模拟交换机(
Analog
Switch
)
< br>AND
:自动网络拨号(
Automatic
Network Dialing
)
ANI
:发信号码的自动是别装置(
A
utomatic Number
Identification
)
非等时同步(
Anisochronous
)
ANM:
应答消息(
Answer
Message
)
拨号回应服务(
Announcement
Service
)
拨号回应系统(
Announcement
System
)
骚扰电话处理中心(
Annoyance Call
Bureau
)
< br>信号器(
Annunciator
)
匿名电话阻止(
Anonymous Call
Rejection
)
匿名电话号码(
Anonymous telephone
Number
)
< br>ANSA
:交替网络服务协议(
Alternate
Network Service Agreement
)
回应代码(
Answer
Back
)
APON
:异步传输模式(
ATM
)
的无源光网络(
ATM Passive Optic
Network
)
APS
:自动保护系统
(
Automatic Protection
System
)
电话区号(
Area
Code
)
地区交换机(
Area
Exchange
)
算术移位(
Arithmetic
Shift
)
ARQ
:自动重复与要求(
Automatic
Repeat & Request
)
清晰度百分数(
Articulation
Score
)
ASA
:平均回答时间(
Average Speed
of Answer
)
ASC
:公认标准委员会(
Accredited
Standards Committees
)
ASE
:应用服务单元(
Application Service Element
)
ASK
:幅变调制(
Amplitude Shift
Keying
)
< br>ASN
:
AT&T
交换系统(<
/p>
AT&T Switched
Network
)
ASP
:应用软件服务供应商(
Applicatio
n Service Provider
)
关联模式(
Associated
Mode
)
异步操作(
Asynchronous
Operation
)
ATA
:模拟终端适配器(
Analog
Terminal Adapter
)
ATA
:等待回应的平均时间(
p>
Average Time to
Answer
)
ATB
:中继线路全部繁忙(
All
Trunks Busy
)
ATDM
:
异步时间分割多路技术(
Asynchronous
time-division multiplexing
)
ATIS
:电讯工业方案联盟(
p>
Alliance for Telecom Industry
Solutions
)
起始时间(
Attack
Time
)
试呼叫(
Attempt
)
衰减常数(
Attenuation
Constant
)
衰减-串音的比率(
Attenuation to
crosstalk ratio
)
ATU-C
:中央传输单元(
ADSL
Transmission Unit-Central
Office
)
ATU-R
:远程传输单元(
ADSL
Transmission Unit-Remote
)
占线语音提示(
Audible
busy tone
)
可闻振铃声(
Audible Ringing
Tone
)
可听音(
Audible
Tones
)
自动呼叫重新连接(
Automatic Call
Reconnect
)
自动探通术(
Automatic
sounding
)
自动交换系统(
Automatic Switching
System
)
附属服务干线群(
Auxiliary Service
Trunk Groups
)
可用的线路(
Available
Line
)
AVBO
:先进的语音因忙退出(
Advanced
Voice Busyout
)
平均负载(
Average
Load
)
AXE
B
双极讯号三零替换(
B3ZS
)
双极讯号六零替换(
B6ZS
)
B8ZS
:双极讯号八零
替换(
Bipolar 8 Zero
Substitution
)
p>
干扰音(
Babble
)
< br>
主干线布线(
Backbone
Cabling
)
反向通道(
Back-
channel
)
后台噪音(
Background
Noise
)
迂回信程(
Back-
Haul
)
背对背连接(
Back-to-back
connection
)
反向信道(
Backward
Channel
)
反向信号(
Backward
signal
)
< br>BAF
:贝尔自动信息计费格式(
Bellcore
AMA Format
)
回波损耗平衡(
Balance Return
Loss
)
平衡阻抗(
Balanced
Impedance
)
平衡线路(
Balanced
Line
)
投票(
Ballot
)
BAN
:收费帐号(
Billing
Account Number
)
波段(
Band
)
带阻过滤器(
Band
Elimination Filter
)
统一收费价格(
Banded
Rates
)
宽带上限(
Bandwidth
Cap
)
带宽压缩(
Bandwidth
Compression
)
带宽受限运行(
Bandwidth Limited
Operation
)
带宽遏流(
Bandwidth
throttling
)
基本服务(
Basic
Service
)
BCC
:信息组校验符号(
Block
Check Character
)
BCD
:二
-
十进制计数法(
Binary Coded
Decimal
)
BCH
Code
:多个随机错误模式校正编码(
Bose, Ray-
Chaudhuri, Hocquenghem Code
)
B
通道捆绑
(
B-Channel
Bundling
)
BDCS
:宽带数字交叉连接系统(
Broadba
nd Digital Cross-Connect
System
)
贝尔用户编码(
Bell Customer
Code
)
贝尔核心标准(
Bellcore
)
BER
:比特误差比率(
Bit
Error Rate
)
BERT
:比特误差率检测(
Bit
Error Rate Tester
)
BHCA
:忙时呼叫尝试(
Busy
Hour Call Attempt
)
BIB
:反向指示比特(
Backward Indicator Bit
)
双向开关(
Bidirectional
Switch
)
< br>两端分开(
Bifurcated
)
横列定向天线(
Billboard
Antenna
)
Bill-To-Room
二进制戈莱码(
Binary Golay
Code
)
二进位信号(
Binary
Signal
)
二进制交换(
Binary
Switch
)
双相符号编码(
Biphase Mark
Code
)
双极性(
Bipolar
)
双极编码(
Bipolar
Encoding
)
双极信号(
Bipolar
Signal
)
比特配对(
Bit
Pairing
)
比特损失(
Bit
Slip
)
比特填充(
Bit
Stuffing
)
同步比特(
Bit
Synchronous
)
比特值的完整性(
Bit-count
integrity
)
双三进制传输(
Biternary
Transmission
)
p>
BITS
:建筑物综合定时供给系统(
Bu
ilding Integrated Timing
Supply
)
黑色噪音(
Black
noise
)
黑色记录(
Black
recording
)
盲信号传输(
Blind
Transmission
)
p>
B-link
:桥接链路(
Bridge-
link
)
被阻挡的拨号尝试(
Blocked
Attempt
)
通讯被阻挡(
Blocking
)
通讯被阻挡的概率(
Blocking
probability
)
BOC
:贝尔营业公司(
Bell
Operating Company
)
BPON
:宽带无源光网络(
Broadband Passive Optic
Network
)
BPV
:双极性违规(
Bipolar
Violation
)
BRAS
:宽带远程接入服务器(
Broadba
nd Remote Access Server
)
BRI
:基本速率接口(
Basic
Rate Interface
)
BR-ISDN
:
ISDN
基本速率(
ISDN Basic
Rate
)
宽带互联网接入(
Broadband Internet
Access
)
宽带开放接口(
Broadband open
access
)
宽带电话(
Broadband
Telephony
)
BSE
:基本服务项目(
Basic
Service Element
)
BSN
:逆序号码(
Backward
Sequence Number
)
英国电讯集团(
BT
Group
)
高峰时段(
Busy
Hour
)
占线信号(
Busy
Signal
)
忙音(
Busy
Tone
)
占线确认音(
Busy Verification
Tone
)
旁路干线群(
Bypass Trunk
Group
)
C
布线管理(
Cabling
Administration
)
CAC
:连接
(
呼叫
)
准入控制(
Connecti
on (or Call) Admission
Control
)
CALEA
:执法中的通讯协助法案(
Communi
cations Assistance for Law Enforcement
Act
)
呼叫(
Call
)
电话计费系统(
Call
Accounting System
)
呼叫中心(
Call
Center
)
呼叫冲突(
Call
Collision
)
呼叫转移(
Call
Deflection
)
呼叫持续时间(
Call
Duration
)
呼叫过滤(
Call
Filters
)
呼叫转移(
Call
Forwarding
)
呼叫管理(
Call
Management
)
呼叫方(
Call
Originator
)
呼叫优先权(
Call
Priority
)
呼叫处理信号(
Call Process
Signals
)
呼叫设置(
Call Set-
up
)
呼叫设置时间(
Call Setup
Time
)
呼叫转移(
Call
Transfer
)
呼叫等待(
Call
Waiting
)
呼叫等待音(
Call Waiting
Tone
)
被呼叫方(
Called
Party
)
呼叫方的
ID
(
Caller
ID
)
呼叫卡(
Calling
Card
)
呼叫卡服务提示音(
Calling Card
Service Prompt Tone
)
呼叫方(
Calling
Party
)
CAM
:无载波调幅(
Carrierless
Amplitude Modulation
)
CAMA
:集中式自动化通话记帐制
(
Centralized Automatic Message
Accounting
)
预占(
Camp-
On
)
C
AP
:无载波幅度
/
相位调制技术(<
/p>
Carrierless Amplitude Phase
modulation
)
CAP
:竞争性接入供应商(
Competit
ive Access Provider
)
访问限制(
Capping
)
Carrier
载波频率(
Carrier
Frequency
)
运营商数据交换中心(
Carrier
Hotel
)
载波服务供应商(
Carrier service
provider
)
载波系统(
Carrier
system
)
载波(
Carrier
wave
)
卡森宽带规则(
Carson bandwidth
rule
)
CAS
:随路信号(
Channel
Associated Signaling
)
临时呼叫(
Casual
Calling
)
临时呼叫用户(
Casual
Customer
)
事由表示号码(
Cause
Codes
)
CCBS
:被呼叫人忙时暂停呼叫(
Completion
of Call to Busy Subscriber
)
CCH
:每条电路每小时接续次数
(
Connections per Circuit
Hour
)
CCITT
:国际电报电话咨询委员会(
Consultat
ive
Committee
for
International
Telegraph
and
Telephone
)
CCITT
:
国
际
电
报
电
话
咨
询
委员
会
(
International
Telegraph
and
Telephone
Consultative
Committee
)
CCS
:百秒呼叫(
Centi
Call Seconds
)
CCS
:公共信道信令(
Common
Channel Signaling
)
CCSS7
:
7
号公共通讯通道信令(
Common Channel
Signaling System 7
)
CCT
:导通检测收发器(
Continuity Check
Transceiver
)
CDB
:呼叫细节模块(
Call
Detail Block
)
CDE
:呼叫细节元素(
Call
Detail Element
)
CDR
:呼叫细节记录(
Call Detail
Record
)
CDR
:呼叫细节报告(
Call
Detail Reporting
)
CED
:呼叫人输入的数字(
Caller-entered
Digits
)
CELP
:代码激励线性预测(
Code Excited Linear
Prediction
)
中心频率(
Center
Frequency
)
中间部分(
Central
Member
)
集中截取局指令信号(
Centralized
Intercept Bureau Order Tone
)
中央区(
Centrex
)
CEPT
:欧洲邮政和电信会议(
Conference of
European Posts and
Telecommunications
)
CFB
:来电转接占线(
Call
Forwarding Busy
)
CFNR
:无应答呼叫前转(
Call
Forward No Reply
)
CFU
:无条件呼叫前转(
Call
Forward Unconditional
)
回充(
Change-
back
)
转换(
Change-
over
)
通道(
Channel
)
随路信令(
Channel
Associated Signaling
)
通道噪音水平(
Channel
Noise Level
)
信道化(
Channelized
)
信道化的
E1
p>
(
Channelized
E1
)
信
道化的
T1
(
Channelized
T1
)
检测比特(
Check
Bit
)
校验数位(
Check
Digit
)
用户流失(
Churn
)
CIC
:运营商标识码(
Carrier Identification Code
)
CIC
:线路识别码(
Circuit
Identification Code
)
CIR
:承诺信息速率(
Committed Information Rate
)
线路(
Circuit
)
线路噪音水平(
Circuit
Noise Level
)
线路交换(
Circuit
Switching
)
电路传送模式(
Circuit Transfer
Mode
)
电路标准反转多任务(
Circuit-level
Inverse Multiplexing
)
循环器(
Circulator
p>
)
都市广域数据中心(
City Wide Digital
Centrex
)
覆层(
Cladding
)
四类交换机(
Class 4
Switch
)
五类交换机(
Class 5
Switch
)
识别音分类(
Class of Service
Tone
)
CLASS
:自定义本地信令服务(
Custom
Local Area Signaling
Service
)
无噪音电流(
Clean
Power
)
纯信道(
Clear
Channel
)
后向挂机信息(
Clear-back
Message
)
向前拆线信息(
Clear-forward
Message
)
CLEC
:竞争性地区通信运营商(
Competit
ive Local Exchange Carrier
)
CLID
:呼叫线路识别(
Calling Line
Identification
)
C-link
:横向链接(
Cross
Link
)
声音剪辑(
Clipping
)
CLLI
Code
:共同语言、方位识别码(
Common
Language Location Identification
Code
)
CMCU
:通讯模块控制单元(
Communication
s Module Control Unit
)
C
信息(
C
-message
)
CMI
:编码传号反转码(
Coded
Mark Inversion
)
CMS
:呼叫管理系统(
Call
Management System
)
CNM
:用户网络管理(
Customer Network Management
)
CO
:电话总局(
Central
Office
)
硬币收集语音(
Coin Collect
Tone
)
硬币面额语音(
Coin Denomination
Tone
)
投币电话(
Coin
Phone
)
硬币退出语音(
Coin Return
Tone
)
公用电话服务商(
Common
Carrier
)
通讯安全(
Communication
Security
)
通讯源(
Communication
Source
)
通讯子系统(
Communication
Subsystem
)
通讯系统(
Communication
System
)
通讯欺诈(
Communications
Deception
)
通讯线路(
Communications
Line
)
通讯模块(
Communications
Module
)
通讯保护(
Communications
Protection
)
压缩扩展(
Companding
)
压缩扩展器(
Com
pandor
)
完整的信号发送(
Completed
Signaling
)
压缩机(
Compressor
)
集中器(
Concent
rator
)
传导干扰(
Conducted
Interference
)
会议电话模式(
Conference
Operation
)
确认音(
Confirmation
Tone
)
契约税(
Contract
Tariffs
)
控制面板(
Control
Plane
)
控制信号(
Control
Signal
)
受控制的改道发送(
Controlled Re-
routing
)
受控滑动(
Controlled
Slip
)
CONUS
:美国连续地区(
CONtiguous
United States
)
卷积码(
Convolutional
Code
)
COT
:中心局终端(
Central
Office Terminal
)
国家代码(
Country
Code
)
CPC
:主叫用户类别(
Calling Party
Category
)
CPE
:用户端设备(
Customer
Premises Equipment
)
CPG
:呼叫状态(
Call
ProGress
)
CPNIE
:被呼叫方号码信息原素(
Called
Party Number Information
Element
)
CPSIE
:被呼叫方非主要地址信息元素(
Call
ed Party Subaddress Information
Element
)
非经允许的服务添加(
Cramming
)
交叉连接(
Cross
Connect
)
交叉连接配置(
Cross-
Connection
)
交叉核查(
Cross-office
Check
)
CRP
:用户路由节点(
Customer
Routing Point
)
CRV
:呼叫参考值(
Call
Reference Value
)
CSA
:电信公司营运服务区(
Car
rier Serving Area
)
CS-ACELP
:共轭结构代数码
激励线性预测(
Conjugate Structure Algebraic
Code Excited Linear
Prediction
)
CSL
:元件分层(
Component Sub-Layer
)
CSU/DSU
:通道服务单元
p>
/
数据服务单元(
Channel
Service Unit/Data Service
Unit
)
CSU
:通道服务单元(
Channel Service
Unit
)
CTI
:电脑电话整合技术(
Computer
Telephony Integration
)
CTS
:清除发送(
Clear-
to-Sent
)
用户追查(
Customer-Originated
Trace
)
彻底替换(
Cutover
)
直通拨号(
Cut-Through
Dialing
)
D
D
信道(
D
Channel
)
D
型的信道处理单元(
D Type
Channel Bank
)
p>
DACS
:数字接入与交叉连接系统(
Di
gital access and cross-connect
system
)
< br>DAL
:专用接入线路(
Dedicated
Access Line
)
暗光纤(
Dark
Fiber
)
数据集回应音(
Data Set Answer Back
Tone
)
数据过滤编码(
Data Strobe
Encoding
)
数据工具箱(
Datakit
)
DATU
:直达测试单元(<
/p>
Direct Access Test
Unit
)
DCB
:数字信道处理单元(
Digital
Channel Bank
)
DCE
:数据终端设备(
Data
Circuit-terminating
Equipment
)
DCF
:
色散补偿光纤(
Dispersion
Compensating Fiber
)
DCS
:数字交叉连接系统(
Digital Cross Connect
System
)
DDD
:直拨长途电话(
Direct
Distance Dialing
)
DDI
:直接拨入(
Direct
Dialing In
)
解码(
Decode
)
解码器(
Decoder
)
专用线路(
Dedicated
Line
)
起止信号畸变程度(
Degree of start-
stop distortion
)
延迟拨号信令(
Delay Dial
Signaling
)
延迟失真(
Delay
Distortion
)
延迟均衡器(
Delay
Equalizer
)
增量调制(
Delta
Modulation
)
解调(
Demodulation
)
解调器(
Demod
ulator
)
投币音(
Deposit Coin
Tone
)
绕拨(
Dial
Around
)
杰克拨号音(
Dial Jack
Tone
)
长途拨号线路(
Dial Long
Line
)
非正常拨号音(
Dial Off-Normal
Tone
)
拨号盘脉冲(
Dial
Pulse
)
号盘脉冲(
Dial
Pulsing
)
拨号音(
Dial
Tone
)
拨号音迟延(
Dial Tone
Delay
)
拨号音标识器(
Dial Tone
Marker
)
走针轮系(
Dial
Train
)
拨号对等性(
Dialing
Parity
)
拨号正常传输信号(
Dial-Normal
Transmission Signal
)
拨号(
Dialup
)
拨号连接(
Dial-up
Access
)
拨号线路(
Dial-up
Line
)
膜片(
Diaphragm
)
DIB
:目录信息库(
Directory Information
Base
)
DID/DNIS
:直接向内拨号
/
拨号识别服务(
Direct
Inward
Dialing/Dialed
Number
Identification
Service
)
DID
:直接向内拨号(
Direct-Inward-Dial
)
差分信号(
Differential
Signaling
)
数字式(
Digital
)
数字载波系统(
Digital
Carrier System
)
数字传输(
Digital
Transmission
)
p>
数字化(
Digitize
)
直接交互连接干线群(
Direct Interlata
Connecting Trunk Groups
)
直接逐行扫描系统(
Direct
Progressive System
)
定向增益(
Directive
Gain
)
电话查询服务(
Directory
Assistance
)
电话查询服务中继群(
Directory
Assistance Trunk Group
)
索引电话号码(
Directory
Number
)
< br>不均等(
Disparity
)
差量受限操作(
Dispersion-limited
operation
)
不同的呼叫等待语音(
Distinctive Call
Waiting Tone
)
分配光缆(
Distribution
Cable
)
多通道传输(
Diversity
)
DLC
:数位回路载波器(
p>
Digital Loop
Carrier
)
D-Link
:对角线链路(
Diagonal
Link
)
DLTU
:数字线路和中继线单元(
Digital
Line and Trunk Unit
)
DMS
:数字多路系统(
Digital Multiplex System
)
DMS-10
数字交换系统(
DMS-10 Digital
Switching System
)
DMS-100
数字交换系统(
DMS-100 Digital
Switching System
)
DMS-200
数字交换系统(
DMS-200 Digital
Switching System
)
DMT
:不连续的多频声(
Discrete Multitone
)
DNIS
:被呼叫号码识别服务(<
/p>
Dialed Number Identification
Service
)
DOC
:动态过载控制(
Dynamic
Overload Control
)
国防部通讯系统(
DOD
Communication System
)
DOD
:直接对外拨号(
Direct
Outward Dialing
)
双重蜂音信号(
Double Order
Tone
)
双端引线同步(
Double-ended
Synchronization
)
DPC
:目的地端编码(
Destin
ation Point Code
)
DPCM
:差异脉冲编码调制(
p>
Differential Pulse-Code
Modulation
)
DPSK
:微分相移键控(
Different
ial Phase Shift Keying
)
DRE
:方向性的备用设备(
Directional Reservation Of
Equipment
)
漂移(
Drift
)
下落(
Drop
)
DS2
:数字信号
2
(
Digital
Signal 2
)
DSB-
RC
:双边带减幅载波(
Double-SideBand
Reduced Carrier
)
DSB-
SC
:双边带抑制载波(
Double-SideBand
Suppressed Carrier
)
DSF
:色散位移光纤(
Dispersion Shift Fiber
)
DSI
:数字话音插空技术(
Digital
Speech Interpolation
)
DSN
:国防交换网络(
Defense Switched Network
)
DSR
:数据信令速率(
Data
Signaling Rate
)
DS-
SMF
:色散移位单模块光纤(
Dispersion-
Shifted Single Mode Fiber
)
DSU
:数据服务单元(
Data
Service Unit
)
p>
DSX
:数字信号交叉连接(
Digita
l Signal Cross-connect
)
数字信号交叉连接等级
1
(
DSX-1
)
DTMF
:双音多频(
Dual
Tone Multifrequency
)
DTP
:数据传输过程(
Data
Transfer Process
)
双臂存取
(
Dual
Access
)
同时抢用线路(
Dual
seizure
)
双向通讯(
Duplex
)
DX
信令(
DX
Signaling
)
E
E
Channel
:回声波道(
Echo
Channel
)
E&M
前引作信(
E&M Leads
Signaling
)
E&M
信令(
E&M
Signaling
)
E&M
:接收和传输(
recEive
and transMit
)
E.123
E.164
E-2
E-4
E911
服务(
E911
Service
)
EBAF
:扩展式贝尔核心
AMA
格式(
Extended Bellcore AMA
Format
)
回声抵消器(
Echo
Canceler
)
回声消除(
Echo
Cancellation
)
p>
ECSA
:交换载波标准协会(
Excha
nge Carriers Standards
Association
)
EDFA
:掺饵光纤放大器(
Erbium-
Doped Fiber Amplifier
)
EDP
:事件检测点(
Event
Detection Point
)
有效的输入噪声温度(
Effective input
noise temperature
)
EIA/TIA-232
EIA/TIA-449
EIA/TIA-586
EIA-232
EIA-422
EIA-422
EIA-423
EIA-449
EIA-485
EIA-530
EIA-530
E-ISUP
:扩展
ISUP
(
Extended-
ISUP
)
有法定资格的电讯运营商(
Eligible
telecommunications carrier
)
E-Link
:扩展链接(
Extended link
)
嵌入式操作通道(
Embedded
Operations Channel
)
阻塞式信令(
En-block
Signaling
)
脉冲结束信号(
End-of-pulse
Signal
)
选择结束信号(
End-of-selection
signal
)
< br>EPON
:以太网无源光网络(
Ethernet
Passive Optical Network
)
平等接入(
Equal
Access
)
机房(
Equipment
Room
)
ERC
:容易辨认的编码(
Easily
Recognizable Code
)
厄兰(
Erlang
)
厄兰单位(
Erlang
Unit
)
ESF
:扩展的超帧(
Extended Super-
Frame
)
ESN
:电子交换网络(
Electronic
Switched Network
)
ESS
:电子交换系统(
Electronics Switching System
)
ETB
:传输块末字符(
End of
Transmission Block
Character
)
EURESCOM
:
欧洲电讯开发和战略研究所<
/p>
(
European Institute for
Research and Strategic Studies
in
Telecommunications
)
欧洲通讯卫星组织(
Eutelsa
t
)
偶校验(
Even
Parity
)
< br>交换机(
Exchange
)
通信运营商(
Exchange
Carrier
)
伸幅转换器(
Expandor
)
EXZ
:额外的零值(
Excessive Zeros
)
F
<
/p>
FAA
:可接受设施(
Facility
Accepted
)
基于专用交换网络服务的设备(
Facilities
Based Private Switched Network
Services
)
设备回路
(
Facility
Loopback
)
自备设施运营商(
Facility-based
Carriers
)
Fax
:传真发送(
Facsimile
Transmission
)
FBG
:光纤光栅(
Fiber
Bragg Grating
)
<
/p>
FCC
:联邦通讯委员会(
Federa
l Communications Commission
)
FDL
:设备数据链接(
Facility Data Link
)
功能板(
Feature
Boards
)
FEC
:前向纠错(
Forward
Error Correction
)
FER
:帧擦除
/
错误率(
Frame Erasure/Error
Rate
)
FEXT
:远端串音(
Far-End
Crosstalk
)
FG
:功能组(
Feature
Groups
)
FGA
:功能组
A
(
Feature Group
A
)
FG
B
:功能组
B
(
Feature Group B
)
G
G.703
G.704
G.707
G.708
G.709
G.711
G.721
G.722
G.722.1
G.723 or G.723.1
G.726
G.727
G.728
G.729
G.729 A/B
G.780
G.781
G.782
G.783
G.7xx
G.803
G.804
G.832
Gateway
Redundancy
网关冗余
Gateway Supported Prefixes
Gateway switched exchange
网关交换机
GETS
:
Government Emergency Telecommunications
Service
政府应急电信服务
GIS
:
Geographical Information System
地理信息系统
Globalstar
全球星
GloBanD
GNE
:
Gateway Network Element
网关网元
GOS
:
Grade Of Service
服务级别
GPON
:
Gigabit PON
吉比特
PON
Ground Start
地启动
Ground start signaling
地启动信令
Ground-start Trunk
地启动干线
Group 3
Group
Busy Tone
组群忙音
GTT
:
Global Title Translation
全局码转换
H
H.225
H.225.0
H.235
H.245
H.248
H.261
H.263
H.264
H.323
H.450.2
H.450.3
Hagelbarger code
黑格巴哥码
Halftone characteristic
半音特征
Hamming code
汉明码
Handset
手持电话设备
Hardwired
硬线
H-Channel
:
High-speed channel
高速通道
HCO
:
Hearing Carry Over
听力辅助
HCS
:
Header Check Sequence
标题校验序列
HDB3
:
High Density Bipolar 3
高密度双极性码
3
HDSL
:
High Data Bit Rate DSL
高数据比特率数字用户线路
HDSL2
:
2nd generation HDSL
第二代高数据比特率数字用户线路
HDSL4
:
4th generation HDSL
第四代高数据比特率数字用户线路
HDT
:
Host Digital Terminal
主机数字终端
Headset
头戴语音设备
Hierarchical Network
分级网络
High Tone
高频音
High Water Mark
高峰计量器
High-priority emergency service call
高优先级应急服务呼叫
High-Usage Group
高使用群
Hit
线路瞬间干扰
Holding
Time
占线时间
Home Tandem
家庭串联组
Homing Arrangement
自导引设置
Hookflash
瞬间挂机
Hop Off
Horizontal Wiring
横向配线
Howler Tone
嗥鸣音
HPF
:
High Pass Filter
高通滤波器
HPPI
:
High Performance Parallel Interface
高性能平行接口
Hundred Call Seconds
百秒呼叫
Hunt
亨特单位
Hybrid balance
混合平衡
Hybrid Coil
混合线圈
Hybrid Fiber Coaxial
Network
混合光纤同轴网络
I
I.
N.
:智能网(
Intelligent
Network
)
IAC
:初始校准控制(
Initial
Alignment Control
)
IAD
:
综合接入设备(
Integrated Access
Device
)
< br>IAM
:初始地址消息(
Initial
Address Message
)
ICPIF
:计算计划损伤元素丢失
/
延迟因忙退出开始(
Calculated
Planning
Impairment
Factor
loss/delay busyout
threshold
)
IDN
:
综合数字网络(
Integrated Digital
Network
)
IEC
:
国际电工委员会(
International
Electro-technical
Commission
)
ILEC
:
现有地区通信运营商(
Incumbent Local
Exchange Carrier
)
即时开启(
Immediate
Start
)
立即开始信令(
Immediate Start
Signaling
)
IMT
:多机间中继线(
Inter-
Machine Trunk
)
INB
:
安装忙碌(
Install
Busy
)
带内信令(
In-band
signaling
)
线路预占指示(
Indication of Camp-On
)
INE
:智能网络元素(
Intelligent Network
Element
)
INE
:中间网络元素(
Intermediate
Network Element
)
INI
:网络间界面(
Inter-
Network Interface
)
槽内信令(
In-slot
Signaling
)
亮度调制(
Intensity modulation
)
交互媒介(
Interactive
media
)
截取回路音(
Intercepting Loopback
Tone
)
交互电路(
Interchange
circuit
)
内部通讯系统(
Intercom
)
< br>
交互干线(
Inter-
exchange trunk
)
交互本地访问和传输区域服务(
Inter-LATA
Services
)
中间交叉连接(
Intermediate Cross
Connects
)
内部电话线路呼叫(
Interoffice Call
)
内部线路通道(
Interoffice
Channel
)
符号间干扰(
Intersymbol
interference
)
IntraLATA
局内中继(
Intra-Office
Trunk
)
州内电话(
Intrastate
)
反转多路技术(
Inverse
multiplexing
)
内向干线(
Inward
Trunk
)
IN-
WATS
:内向广域电话业务(
Inward Wide
Area Telephone Service
)
IOC
:独立自主的运营公司(
p>
Independent Operating
Company
)
IP
集中交换(
IP
Centrex
)
IP-PBX
ISC
:国际交换运营商(
International Switching
Carrier
)
综合服务数字网络(
ISDN
BRI
)
ISDN D
通道信令(
ISDN
D-Channel Signalling
)
ISDN
H
通道(
ISDN
H-Channel
)
ISDN PRI
:
ISDN
主要速率接口(
ISDN Primary Rate
Interface
)
ISDN
:综合服务数字网络(
Integrat
ed Services Digital Network
)
同步信号(
Isochronous
Signal
)
ISUA
:
SS7 ISUP
用户适配层(
SS7 ISUP-User
Adaptation Layer
)
ISUP
:
ISDN
用户部分(
ISDN User
Part
)
ITC
:独立的电话公司(
Independent
Telephone Company
)
ITSP
:互联网电话服务供应商(
Internet Telephone Service
Provider
)
ITU
:国际电信联盟(
Internationa
l Telecommunication Union
)
ITU-T
:国际电信联盟电信标准
局(
International Telecommunication Union
Telecommunication
Standardization
Sector
)
IUA
:
ISDN
Q.921
用户适配层(
ISDN Q.921-User
Adaptation Layer
)
IVR
:交互语音回应(
Interactive Voice Response
)
IXC
:长途交换运营商(
Inter-
Exchange Carrier
)
J
<
/p>
插座(
Jack
)
跳线(
Jumper
)
汇接点(
Junction
)
连接机(
Junctor
)
连接机干线群(
Junctor Trunk
Group
)
权限(
Jurisdiction
)
K
按键脉冲(
Key
Pulsing
)
控制台线路(
Key Station
Line
)
电键系统(
Key
System
)
按键电话机(
Key Telephone
Set
)
按键电话系统(
Key Telephone
System
)
L
(<
/p>
Label
)标签
LAMA
:本地自动信息计费(
p>
Local Automatic Message
Accounting
)
LAPB
:链路访问过程平衡(
Link
Access Procedure, Balanced
)
LAP-D
:
D
信道上的链路接入程序(
Link Access
Procedure, D-Channel
)
LAPF
:数据链路层帧方式接入协
议(
Link Access Procedure for Frame Mode
Services
)
LAP-H
:
H
信道链路访
问规程(
Link Access Procedure for
H-Channel
)
LAP-M
:调制解调器链路接入规程(
Link
Access Procedure for Modems
)
LAPS
:
SDH
上的链路接入规程(
Link Access
Procedure-SDH
)
LASS
Code
:局域信令服务编码(
Local Area
Signaling Services Code
)
LASS
:局域信令服务(
Local
Area Signaling Service
)
最终选择路径(
Last
Choice Route
)
最后一英里(
Last
Mile
)
最后一英里技术(
Last Mile
Technology
)
本地访问传输区域串联(
LATA
Tandem
)
< br>LATA
:本地访问和传输区域(
Local
Access And Transport Area
)
LCV
:线路编码违规(
Line
Code Violation
)
LDN
:目录表中的号码(
Liste
d Directory Number
)
专用线路(
Leased
line
)
LEC
计费(
LEC
Billing
)
LEC
卡(
LEC
Card
)