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        <title>网络安全 - 分类 - Jacky Cai</title>
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    <title>在 Cisco H.323 语音网关上阻止特定来电号码</title>
    <link>https://jcai.info/blocking-specific-calling-numbers-on-cisco-h323-voice-gateways/</link>
    <pubDate>Sat, 10 Sep 2011 01:47:00 &#43;0000</pubDate>
    <author>Jacky Cai</author>
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                <img src="/images/how-to-block-the-incoming-phone-call-from-a-particular-calling-number-in-h323-voice-gateway.jpg" referrerpolicy="no-referrer">
            </div><h2 id="h323-网关上的呼叫阻止介绍">H.323 网关上的呼叫阻止介绍</h2>
<p>在企业 VoIP 环境中，无论是来自垃圾邮件、骚扰还是竞争对手的不需要的来电都可能成为重要的干扰和安全问题。Cisco H.323 语音网关提供了强大的机制来阻止特定的来电号码，帮助组织维护安全高效的通信环境。</p>]]></description>
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