Design realization of telephone recording system based on CTI;
多通道电话录音系统的设计与实现
A telephone recording and automatic alarm system whose controller is 89C51 single-chip-computer is introduced in this paper.
介绍了一种以 89C5 1单片机为控制器的电话录音与自动报警系统 ,该系统兼有录音电话和利用电话自动拨号报警的功能 ,给出了硬件框图和主程序流程图 ,该系统特别适用于家庭和办公室。
interphone amplifier
内部对讲电话增音机
an acoustic device; the part of a telephone into which a person speaks.
一种声音装置；人用来讲话的电话机的一部分。
The Study of an Intelligent Non-central Switching Explosion-proof Amplifying Call and Telephone Talk System;
智能型无主机防爆扩音对讲电话系统的研究
An additional telephone connected to a main line.
电话分机一部连到主线上的增设电话
unit automatic exchange
内部自动电话交换机
Through interphone , service personnel in the car and in the machine room are allowed to speak each other.
通过对讲机，可实现轿内人员与电梯机房人员通话。
He turned up the volume of the car radio, which was turned to a rock-and-roll station.
他把已经对好摇摆舞电台的车内收音机的音量增大。
Addressed us over the loudspeaker; can't tell you over the phone.
透过扩音器对我们演讲；不能通过电话告诉你
Do you have any phones with a built-in answering machine?
你们有卖内置录音机的电话吗？
Jiang Ze-ming s Speech On July 1st 2001, the Development of the “Theory of the Intrnal Contredction of People”;
“七·一讲话”对人民内部矛盾学说的丰富和发展
A tape-recorder will reproduce your talk.
录音机将放出你的讲话录音。
He presses the buzzer on the house phone and speaks to the cook.
他按了按家庭部电话的蜂音器对厨师说话。
Intranet Telephony: Will your LAN Replace Your PBX?
内部网电话：局域网会替代用户电话交换机吗？
Intranet Telephony: Will your LAN Replace Your PBX? (2)
内部网电话：局域网会替代用户电话交换机吗？（2）
Used in locomotive communication, pocked intercom telephones, car audio circuits, etc.
适用于移动通讯、袖珍对讲机，汽车音响等电路。
The manager spoke to the employees over the intercom.
经理用内部的通话系统向员工讲话。
The part of a telephone you speak into and listen at is called a receiver.
电话机上你用来对着它说话和听电话的那部分叫电话听筒。
The minister of foreign affairs say the president 's remarks are an Intervention In the domestic affairs of his country
外交部长说总统的讲话是对他的国家内部事务的干涉