...星状网路 星状网路 汇流排网路 汇流排网路 环状网路 环状网路 17 17 自用交换机 自用交换机(private branch exchanges, PBX) (private branch exchanges, PBX) 中华电信 中华电信 特殊目的...
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专用小交换机(PBXs, Private Branch Exchanges)同语音信箱一样，经常成为黑客的牺牲品，惟一的区别在于其损失要大得多。
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Private Automatic Branch eXchanges 的个人自动分组交换机
Renert says Tello works with products from Cisco Systems and Avaya, makers of traditional private branch exchanges (PBXs), plus Digium, an open-source PBX software company.
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