<p>This is by design, explained at:</p>
<ul>
<li><a href="https://www.kamailio.org/wiki/tutorials/faq/main#why_changes_made_to_headers_or">https://www.kamailio.org/wiki/tutorials/faq/main#why_changes_made_to_headers_or</a></li>
</ul>
<p>If you still need clarification, send an email to <a href="mailto:sr-users@lists.kamailio.org">sr-users@lists.kamailio.org</a>, this tracker is for bug reports and tracking new features.</p>

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