集团电话、交换机
  
什么是FXO与FXS口，它们有什么不同？2005-9-1 8:14:24
VOIP中的FXO和FXS从原理和结果上到底有什么不同，恳请指点！谢谢！
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回复内容：FXO口是一个中继接口，它一般与局用机或上一级交换机的分机端口对接，给上一级交换机提供一个出局路由，能实现环路远程汇接功能，如“外贸公司职员要在家中及时与国外联系时，可先通过市话局拨到公司的FXO口上，然后通过VOIP拨通国外电话，这样，职员家中只收取市话费，而昂贵的国际电话费仍由公司支付”；FXS口是一个话机终端接口，一般接下一级交换机的中继端口或电话机，为下一级交换机的分机提供一个出局路由来拨打IP电话。如此解释得不清楚，请您与24小时服务热线0571-87169911联系，我们期待着下一次为您服务。
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回复时间：2005-9-9 10:38:08
集团电话，交换机
 
交换机、集团电话