<p>This kamailio config change is fixed <code>ACK</code> packet mirroring</p>
<div class="highlight highlight-source-shell"><pre>onsend_route {                          
        <span class="pl-k">if</span> (is_method(<span class="pl-s"><span class="pl-pds">"</span>ACK<span class="pl-pds">"</span></span>)) {
                <span class="pl-en">sip_trace</span>();                                               
        }
}</pre></div>

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