主叫号码 - 标签 - Jacky Cai https://jcai.info/tags/%E4%B8%BB%E5%8F%AB%E5%8F%B7%E7%A0%81/ 主叫号码 - 标签 - Jacky Cai Hugo -- gohugo.iozh-CNThis work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.Thu, 31 Mar 2011 07:09:26 +0000 解决 Cisco FXO 端口上的主叫号码和呼叫断开问题 https://jcai.info/troubleshooting-caller-id-and-call-disconnect-issues-on-cisco-fxo-ports/ Thu, 31 Mar 2011 07:09:26 +0000 Jacky Cai https://jcai.info/troubleshooting-caller-id-and-call-disconnect-issues-on-cisco-fxo-ports/ FXO 端口上的呼叫断开检测

在 FXO（外来交换局）端口上正确检测呼叫断开对于保持清晰的语音连接和高效的资源利用至关重要。Cisco FXO 端口通常检测来自 PSTN 线路的断开音调，以便在呼叫结束时自动释放端口。

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