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- A. B. Strowger invents the telephone switch, dial telephone. 史端乔发明自动电话交换系统。
- If not,the call went to the company's in-house telephone switching system,or PBX (private branch exchange). 如果没有,电话就转到公司内的电话交换系统(即PBX,用户电话交换机)。
- An IP PBX is telephone switching equipment that resides in a private business instead of the telephone company. IP PBX是私人公司中的电话交换设备,而不是电话公司中的电话交换设备。
- D.Talley, "Basic Telephone Switching Systems", Hayden Book Company, Rochelle Park, N.J. 1969. 由坐标式交换器所组成的交换网路。
- If not, the call went to the company's in-house telephone switching system, or PBX (private branch exchange). 如果没有,电话就转到公司内的电话交换系统(即pbx,用户电话交换机)。
- If not, the call went to the company's inhouse telephone switching system, or PBX (private branch exchange). 如果没有,电话就转到公司内的电话交换系统(即PBX,用户电话交换机)。
- Thus, in the byways of the telephone switching network, the first electrical self was born. 就这样,就在电话交换网络的两面交锋中,第一个电学意义上的自我诞生了。
- In a telephone switching system,inability to make a connection or obtain a service because the devices needed for the connection or service are in use. 在电话交换系统中,由于需要连接或服务的设备正在使用而不能连通或得到服务。
- This paper presents a basic method for establishing the simulation models of a telephone switching system by using GPSS-F simulation language. 本文介绍一种应用GPSS-F仿真语言建立一个电话交换系统仿真模型的基本方法。
- In a telephone switching system, inability to make a connection or obtain a service because the devices needed for the connection or service are in use. 在电话交换系统中,由于需要连接或服务的设备正在使用而不能连通或得到服务。
- It is a piece of telephone switching equipment that generally resides in an organization or business instead of being located at a telephone company office. 它是一个电话交换设备,通常放置在组织或公司内部,而不是电话公司办公室中。
- The Mobile Switching Center is sometimes called a mobile telephone switching office (MTSO), since it is responsible for connecting all mobiles to the PSTN in a cellular system. 由于这个移动交换中心负责一个蜂窝系统所有移动电话到PSTN的连接,因而有时又被称为移动电话交换局(MTSO)。
- It took two hundred overpaid engineers two weeks of emergency alert work to figure out why the semi-alive American telephone switching system repeatedly failed in 1990. 1990年两百个高薪低能的工程师用了两个星期来应急维修,要找出半死不活的美国电话交换系统为何老是出岔子。
- The idea of stored programs in telephone switching is not new. Even before the computer age the telephone switching systems embodied the elements of computer control. 在电话交换中程序控制并不是新想法。在计算机产生之前,电话交换系统已使用了计算机的控制原理。
- With the convergence of the communication technology and the computer technology, traditional telephone switching has evolved into the present B-ISDN, and is go on to advance towards the trend of high-speed and intelligence. 随着通信技术与计算机技术的不断融合和发展,传统的电话交换网络已发展成为今天的宽带综合业务数字网B-ISDN,而且还将继续向着高速化和智能化的方向发展。
- Popular areas for less life-threatening computer malfunctions include telephone billing and telephone switching software, bank statements and bank-teller machines, electronic funds-transfer systems, and motor-vehicle license data bases. 通常在有些领域电脑故障并不非常危及生命,这些领域包括电话开账,电话交换软件,银行结单,银行柜员机,电子资金转让系统,汽车执照资料库等。
- On May 9, 1978, the first 3000 lines crossbar telephone switching system was opened in Zhangdian District, Zibo City. The outdated hand-cranked telephone started to step off the stage of history. 1978年5月9日,山东省第一台3000门纵横制自动电话交换机在淄博市张店区开通使用,老式的“摇把子”式电话机开始退出历史舞台。
- SSPs are telephone switches,interconnected by SS7 links,that originate,terminate or tandem calls. SSP 是由 SS7 链路互连的电话交换机,用来发起、终止或汇接呼叫。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- SS7 is a switch-to-switch protocol that lets telephone switches set up calls, manage circuits and perform intelligent network functions. 七号信令系统(SS7)是交换机至交换机的协议,它让电话交换建立通话、管理电路和执行智能网络功能。