电话交换机 PBX ; telephone exchange ; PABX
网络电话交换机 IP PBX
互联网电话交换机 ip pbx
自动电话交换机 automatic exchange ; [通信] automatic telephone switchboard ; dial exchange ; [通信] automatic telephone exchange
用户电话交换机 PBX Private Branch exchange ; private branch exchange ; CTX Customer Telephone eXchange ; CTX
程控电话交换机 Digital Telephone Switch Board ; NEC ; PCS----program control switches
专用自动电话交换机 [通信] private automatic branch exchange ; private automatic telephone exchange
共电式电话交换机 common battery private branch exchange ; common battery telephone exchange
市内电话交换机 local telephone switching system
数字电话交换机 Digital Telephone Exchange TXD
如果没有事先录制好演示内容，我就得带上几台交换服务器和电话交换机了。
Had I not prerecorded my demos, I would have had to bring along a few Exchange Servers and a telephone switch.
SOCKS服务器类似于老式的电话交换机。
A SOCKS server is similar to an old-fashioned telephone switchboard.
KPN仅仅用了100部IP中枢就取代了1,300门电话交换机，而且通过出售那些财产筹集了10亿欧元。
KPN has replaced 1,300 telephone exchanges with just 100 IP centres, and raised Euro 1 billion by selling property as it did so.
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