<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi,<div class=""><br class=""></div><div class="">I am using Kamailio 5.2. </div><div class=""><br class=""></div><div class="">Apparently the remapping of 503 to 500 codes in the tm module does also change the to-tag. This behaviour breaks dialogs with yate and therefore calls hang and the 503 remains unacknowledged. After disabling the 503 to 500 remapping with modparam("tm", "remap_503_500", 0) all works fine again.</div><div class=""><br class=""></div><div class="">Changing the to-tag in a dialog seems to contradict RFC3261, or do I see this wrongly?</div><div class=""><pre class="newpage"><span class="h2"><font face="Arial" class=""><h2 class=""><a class="selflink" name="section-12" href="https://tools.ietf.org/html/rfc3261#section-12">12</a> Dialogs</h2><h2 class="">A dialog is identified at each UA with a dialog ID, which consists of a Call-ID value, a local tag and a remote tag…"</h2></font></span></pre></div><div class=""><br class=""></div><div class="">Thanks for looking into this.</div><div class=""><br class=""></div><div class="">Gerry</div><div class=""><br class=""></div></body></html>