The Design of Hospital Nursing and Calling System of DTMF;
基于DTMF的医院护理呼叫系统的设计与实现
Wired Calling System Design for the Medical Use on the Local Area;
医用局域有线呼叫系统的设计
It can achieve the calling of request by PTSN,call offline user,and it breaks a localization that currently network phones can t call offline user.
介绍了SPCE061A的基本原理,并介绍了一个基于SPCE061A的窄带网络电话,这种窄带网络电话可以在任何有公用电话网的地方使用,享受其话费低廉的优越性,同时可以借助公用电话网实现邀约呼叫,呼叫不在线用户,突破了一般网络电话无法呼叫网下用户的局限。
Mutual blocking probabilities between various calls in ATM networks;
ATM网络中各种业务呼叫之间的相互阻塞作用
Blocking Effect of Wideband Call on Narrowband Call in ATM Networks;
ATM网络中宽带业务呼叫对窄带业务呼叫的阻塞作用
Malicious Call Trace and Calling Identification Services;
追查恶意呼叫电话与主叫识别业务
machine key ring
键控铃呼叫, 半自动呼叫
Call Set-up, Call Clearing or Registration Problem: Call Colision
呼叫设置、呼叫识别或注册问题: 呼叫冲突
Call Set-up, Call Clearing or Registration Problem: Incoming Call Barred
呼叫设置、呼叫识别或注册问题: 禁止拨入呼叫
To summon or call(a person)by means of a beeper.
通过呼叫或叫（一个人）
" It was just a friendly greeting as he went by.
」那亲切的呼叫声。
It has the functions of call transfer and call waiting.
它有呼叫转移和呼叫等待的功能。
automatic calling and answering unit
自动呼叫和应答设备自动呼叫应答机
The incoming call cannot be answered as a fax call
传入呼叫不能作为传真呼叫进行应答
Calls refer to the actual number of completed calls.
呼叫指的是完成呼叫的实际数量。
QRZ Who is calling me ? You are being called by...[on...KHz(or MHz)].
谁在呼叫我？。。。正在【用。。。千赫（或兆赫）】呼叫你。
The call failed because you cannot call a conferencing service when you are already in a call.
由于在建立了呼叫连接之后不能呼叫会议服务，因此本次呼叫失败。
These services are divided into the following three phases: call setup, call connection, and call release.
这些业务氛围下面三个阶段： 呼叫建立、呼叫连接和呼叫释放。
He was wounded and uttered a piercing cry.
他受了伤，发出尖声呼叫。
We called the emergency service,
我们呼叫了急救服务，
Distress Radio Call System
遇险无线电呼叫系统
automatic display call indicator
自动显示呼叫指示器
digital selective call equipment
数字选择性呼叫设备
long distance cal
长途电话远距离呼叫
