V2EX pbx

PBX

Definition / 释义

PBXPrivate Branch Exchange 的缩写,指“专用分机交换机/企业电话交换系统”:用于公司、酒店、学校等内部电话分机之间的呼叫转接,并可连接外部公共电话网(PSTN)或互联网语音(VoIP)。

Pronunciation / 发音

/pi.biks/

Examples / 例句

Our office PBX needs an upgrade.
我们办公室的 PBX 需要升级。

After migrating to a cloud PBX, the company integrated voicemail, call routing, and remote extensions across multiple sites.
迁移到云 PBX 后,公司把语音信箱、呼叫路由和多地的远程分机整合到了一套系统里。

Etymology / 词源

PBX 来自英语短语 Private Branch Exchange

  • Private(专用的、私有的)
  • Branch(分支;这里指“分机/分支线路”)
  • Exchange(交换;电话交换局/交换系统)
    最初多指企业内部自建的电话交换机,后来也扩展到软件化、云端化的“云 PBX”。

Related Words / 相关词

Literary Works / 文学作品与出处

  • Newton’s Telecom Dictionary》(Harry Newton):在电信术语条目中常见 PBX、Centrex 等相关概念。
  • Telecommunications Essentials》(Lasse W. Berntzen 等编写的电信入门/教材类书籍版本中常见):用于介绍企业通信系统时频繁出现 PBX
  • Cisco Voice over IP》等网络与通信实务书籍(Cisco Press 相关书系):在企业语音与 IP 电话部署章节常出现 PBX(尤其是与 VoIP、IP-PBX 对比时)。
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