The author, based on over two years experience of using both central exchange and private branch exchange, makes a contrastive analysis of the advantages and the disadvantages of the two for other telecom end - users to refer to.
笔者根据对虚拟交换机与传统用户小交换机同时使用两年多的经验和体会,分析比较二者的利弊,供其他电信用户在制定有关方案时参考。
A Contrastive Analysis of Central Exchange and Private Branch Exchange;
虚拟交换机与传统用户小交换机之对比分析
telex telegraph exchange
用户电报直通交换机
automatic telex exchange
自动用户电报交换机
SPC telex exchange
程控用户电报交换机
solutions, such as switches, that replace PBXes;
替代用户交换机的解决方案,如交换器;
semi-automatic private branch exchange
半自动专用小交换机
private branch exchange access line
专用小交换机联接通道
Making Use of ACL Functions of Exchanger to Control Student s User;
利用交换机ACL功能控制学生用户
computer telex exchange system
计算机用户电报交换系统
accountant computer user technical exchange
会计计算机用户技术交换
Operating System of GC-01 Stored Program Control Telex Exchange
GC—01程控用户电报交换机操作系统
The Fault Diagnosing System Develepment for user SPC Switching System
用户程控交换机故障诊断系统的研制
An IP Phone Scheme by Inter-Connecting Switching Equipment and Internet;
一种通过用户交换机接入Internet的IP电话
But it has existed in the proprietary realms of PBXes and heavy metal (mainframes or minisystems).
但它只是存在于用户电话交换机和笨重的铁家伙(大型机或小型机)的专有王国中。
Development of Phone Accounting System for PBX;
用户程控电话交换机通用计费程序的设计
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)。
The User Experience Research of the Interaction Transition from Small Display to Big Display
从小屏幕到大屏幕交互转换的用户体验研究
Each telephone served by a private branch exchange.
由专用小交换机提供服务的电话分机。
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