<p></p>

<h3 dir="auto">Description</h3>
<p dir="auto">dialog module does not update callee tag until it receives a 2xx response to an INVITE.<br>
and so we can not use is_know_dlg() function for in-dialog request like UPDATE when the session is still in early state.</p>

<h3 dir="auto">Troubleshooting</h3>
<h4 dir="auto">Reproduction</h4>

<h4 dir="auto">Debugging Data</h4>

<pre class="notranslate"><code class="notranslate">(paste your debugging data here)
</code></pre>
<h4 dir="auto">Log Messages</h4>

<pre class="notranslate"><code class="notranslate">(paste your log messages here)
</code></pre>
<h4 dir="auto">SIP Traffic</h4>

<pre class="notranslate"><code class="notranslate">(paste your sip traffic here)
</code></pre>
<h3 dir="auto">Possible Solutions</h3>

<h3 dir="auto">Additional Information</h3>
<ul dir="auto">
<li><strong>Kamailio Version</strong> - output of <code class="notranslate">kamailio -v</code></li>
</ul>
<pre class="notranslate"><code class="notranslate">kamailio 5.5.4
</code></pre>
<ul dir="auto">
<li><strong>Operating System</strong>:</li>
</ul>

<pre class="notranslate"><code class="notranslate">(paste your output here)
</code></pre>

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