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    <title>topic Registering Cisco 7821 3PCC to 3rd Party System in IP Telephony and Phones</title>
    <link>https://community.cisco.com/t5/ip-telephony-and-phones/registering-cisco-7821-3pcc-to-3rd-party-system/m-p/5240290#M418059</link>
    <description>&lt;P&gt;Hi all, anyone can help me about the registration my 3PCC phone into 3rd Party System?&lt;BR /&gt;&lt;SPAN&gt;CP-7821-3PCC&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;I've successfully convert from ent to 3PCC and now im struggling with registration. Can i know what options should i configured in my phone except this?&lt;/P&gt;&lt;UL&gt;&lt;LI&gt;&lt;STRONG&gt;Shared Line Appearance &amp;gt; Shared User ID:&lt;/STRONG&gt;&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;This is the extension number, and should exactly match the extension number in my PBX.&lt;/LI&gt;&lt;LI&gt;&lt;STRONG&gt;Proxy and Registration &amp;gt; Proxy:&lt;/STRONG&gt;&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;This should be the IP address of my PBX server.&lt;/LI&gt;&lt;LI&gt;&lt;STRONG&gt;Proxy and Registration &amp;gt; Outbound Proxy:&lt;/STRONG&gt;&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;This should be the IP address of my PBX server.&lt;/LI&gt;&lt;LI&gt;&lt;STRONG&gt;Subscriber Information &amp;gt; User ID:&lt;/STRONG&gt;&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;Extension number&lt;/LI&gt;&lt;LI&gt;&lt;STRONG&gt;Subscriber Information &amp;gt; Auth ID/Password:&lt;/STRONG&gt;&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;This is the extension authorization details configured in my PBX.&lt;/LI&gt;&lt;LI&gt;&lt;STRONG&gt;Port&lt;/STRONG&gt;&lt;/LI&gt;&lt;/UL&gt;</description>
    <pubDate>Tue, 24 Dec 2024 04:50:52 GMT</pubDate>
    <dc:creator>khosasih</dc:creator>
    <dc:date>2024-12-24T04:50:52Z</dc:date>
    <item>
      <title>Registering Cisco 7821 3PCC to 3rd Party System</title>
      <link>https://community.cisco.com/t5/ip-telephony-and-phones/registering-cisco-7821-3pcc-to-3rd-party-system/m-p/5240290#M418059</link>
      <description>&lt;P&gt;Hi all, anyone can help me about the registration my 3PCC phone into 3rd Party System?&lt;BR /&gt;&lt;SPAN&gt;CP-7821-3PCC&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;I've successfully convert from ent to 3PCC and now im struggling with registration. Can i know what options should i configured in my phone except this?&lt;/P&gt;&lt;UL&gt;&lt;LI&gt;&lt;STRONG&gt;Shared Line Appearance &amp;gt; Shared User ID:&lt;/STRONG&gt;&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;This is the extension number, and should exactly match the extension number in my PBX.&lt;/LI&gt;&lt;LI&gt;&lt;STRONG&gt;Proxy and Registration &amp;gt; Proxy:&lt;/STRONG&gt;&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;This should be the IP address of my PBX server.&lt;/LI&gt;&lt;LI&gt;&lt;STRONG&gt;Proxy and Registration &amp;gt; Outbound Proxy:&lt;/STRONG&gt;&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;This should be the IP address of my PBX server.&lt;/LI&gt;&lt;LI&gt;&lt;STRONG&gt;Subscriber Information &amp;gt; User ID:&lt;/STRONG&gt;&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;Extension number&lt;/LI&gt;&lt;LI&gt;&lt;STRONG&gt;Subscriber Information &amp;gt; Auth ID/Password:&lt;/STRONG&gt;&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;This is the extension authorization details configured in my PBX.&lt;/LI&gt;&lt;LI&gt;&lt;STRONG&gt;Port&lt;/STRONG&gt;&lt;/LI&gt;&lt;/UL&gt;</description>
      <pubDate>Tue, 24 Dec 2024 04:50:52 GMT</pubDate>
      <guid>https://community.cisco.com/t5/ip-telephony-and-phones/registering-cisco-7821-3pcc-to-3rd-party-system/m-p/5240290#M418059</guid>
      <dc:creator>khosasih</dc:creator>
      <dc:date>2024-12-24T04:50:52Z</dc:date>
    </item>
    <item>
      <title>Re: Registering Cisco 7821 3PCC to 3rd Party System</title>
      <link>https://community.cisco.com/t5/ip-telephony-and-phones/registering-cisco-7821-3pcc-to-3rd-party-system/m-p/5240811#M418073</link>
      <description>&lt;P&gt;You should ask the third-party provider for the details required to register the phones with the service provider.&lt;/P&gt;</description>
      <pubDate>Thu, 26 Dec 2024 05:41:14 GMT</pubDate>
      <guid>https://community.cisco.com/t5/ip-telephony-and-phones/registering-cisco-7821-3pcc-to-3rd-party-system/m-p/5240811#M418073</guid>
      <dc:creator>Nithin Eluvathingal</dc:creator>
      <dc:date>2024-12-26T05:41:14Z</dc:date>
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