| 1. | Each telephone served by a private branch exchange
由专用小交换机提供服务的电话分机。 |
| 2. | Private branch exchange switching equipment for voiceband application
话音频带用专用小交换机交换设备 |
| 3. | Private automatic branch exchange pabx
专用自动小交换机 |
| 4. | For example , consider a fax device that sits behind a pbx in a company
例如，我们来看一下位于公司的小交换机后面的传真设备。 |
| 5. | Pbx logic group
小交换机逻辑群 |
| 6. | Development of unattended private automatic branch exchanges . two - line monophones introduced
开发无人自动小交换机。二线制收发话机问世。 |
| 7. | In this case , a call is placed by the fax device and routed to the local central office by the pbx
在此案例中，传真设备要了一个呼叫，并通过小交换机路由到了本地电话局。 |
| 8. | The buzz on the street is that pbx systems and related voice gear may be the hardest by the year 2000 bug
现在的热门话题是专用小交换机或有关的语音设备受2000年错误的危害最大。 |
| 9. | This facility is important in some pbx systems which use nonstandard lines that certain modems will interpret as a dead line
这种设备在某些专用小交换机系统中非常重要，这些系统用的是非标准线路，某些调制解调器会把它们当作死线路。 |
| 10. | A gateway sits between a telephone system , such as a pbx or a central office switch , and a data network , such as the internet , and translates calls from one format to another
网关置于电话系统（如专用小交换机或者电话局内的交换机）和数据网络（如因特网）之间，把电话呼叫从一种格式变成另一种格式。 |
