<p>We've installed latest kamailio from master branch and we see an issue with CSeq numbers.</p>

<p>Scenario is as follow:<br>
A <-> Kamailio <-> B<br>
We do use uacreg to register to B from kamailio. If there is an call from A to B via Kamailio, B challenge DA and from that point the CSeq is not equal on both sides. We do use dlg_manage to track the Difference.</p>

<p>While establishing the call it works until the ACK as reply to 200 OK. The ACK is the first message the CSeq is not updated anymore. In X_log I can see the $dlg_var(cseq_diff) is still there and gives the correct difference. It seems it is not used anymore.</p>

<p>All following requests / responses do have this issue e.G. Bye.</p>

<p>I can provide a wireshark trace, Logs and I can reproduce it in our test lab. Let me know if you need anything.</p>

<p>We do use the latest master version because we had this issue:<br>
<a href="https://github.com/kamailio/kamailio/issues/679" class="issue-link js-issue-link" data-url="https://github.com/kamailio/kamailio/issues/679" data-id="161449355" data-error-text="Failed to load issue title" data-permission-text="Issue title is private">#679</a></p>

<p>unfortunately we were not able to find any commit in 4.4 branch, so we tried master. (would be fine for us, if we would get it run)</p>

<p>cheers<br>
Jöran</p>

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