<div dir="ltr"><div>Hello,</div><div>then the PRACK seems to be received (or processed) after the 200OK of the initial INVITE. The log message is more or less harmless.</div><div>Cheers,<br></div><div>Daniel<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jun 28, 2019 at 1:27 PM Olli Attila <<a href="mailto:attiolli@gmail.com">attiolli@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><span style="color:rgb(0,0,0);font-family:arial,sans-serif">Hello,</span></div><div><span style="color:rgb(0,0,0);font-family:arial,sans-serif"><br></span></div><div><span style="color:rgb(0,0,0);font-family:arial,sans-serif">The prack is for the initial INVITE establishing the call. No re-INVITE messages are generated in the dialog.</span></div><div><span style="color:rgb(0,0,0);font-family:arial,sans-serif"><br></span></div><div><span style="color:rgb(0,0,0);font-family:arial,sans-serif">--Olli</span></div><div dir="ltr"><span style="color:rgb(0,0,0);font-family:arial,sans-serif"><br></span></div><div dir="ltr"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">Message: 11</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">Date: Fri, 28 Jun 2019 08:35:09 +0200</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">From: Daniel-Constantin Mierla <</span><a href="mailto:miconda@gmail.com" style="font-family:arial,sans-serif;text-decoration-line:none" target="_blank">miconda@gmail.com</a><span style="color:rgb(0,0,0);font-family:arial,sans-serif">></span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">To: "Kamailio (SER) - Users Mailing List"</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">        <</span><a href="mailto:sr-users@lists.kamailio.org" style="font-family:arial,sans-serif;text-decoration-line:none" target="_blank">sr-users@lists.kamailio.org</a><span style="color:rgb(0,0,0);font-family:arial,sans-serif">></span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">Subject: Re: [SR-Users] Kamailio next_state_dlg(): bogus event</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">Message-ID:</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">        <</span><a href="mailto:CAFRry4XAF5qYqRxgJA4tzsuUt-56ON1KnzzwvJnxeKOdTUaxSA@mail.gmail.com" style="font-family:arial,sans-serif;text-decoration-line:none" target="_blank">CAFRry4XAF5qYqRxgJA4tzsuUt-56ON1KnzzwvJnxeKOdTUaxSA@mail.gmail.com</a><span style="color:rgb(0,0,0);font-family:arial,sans-serif">></span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">Content-Type: text/plain; charset="utf-8"</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">Hello,</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">is the PRACK following a re-INVITE or is for the initial INVITE</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">establishing the call?</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">Cheers,</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">Daniel</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">On Fri, Jun 28, 2019 at 8:13 AM Olli Attila <</span><a href="mailto:attiolli@gmail.com" style="font-family:arial,sans-serif;text-decoration-line:none" target="_blank">attiolli@gmail.com</a><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> wrote:</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> Hello,</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">></span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> I'm getting this error in Kamailio log every now and then. Can anyone</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> suggest methods to debug this further for root cause?</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">></span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> Jun 27 10:04:09  /usr/sbin/kamailio[26341]: CRITICAL: dialog</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> [dlg_hash.c:1098]: next_state_dlg(): bogus event 5 in state 4 for dlg</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> 0x7fceeabf8d38 [749:3185] with clid</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> 'SDceked01-</span><span style="color:rgb(0,0,0);font-family:arial,sans-serif">e4d2e93d7f9ffe88907206a25ccdbc</span><span style="color:rgb(0,0,0);font-family:arial,sans-serif">c2-v300g00030' and tags</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> 'SDceked01-ecd4281b' '14001358846426'</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">></span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> Behaviour in the call:</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> When I look at the SIP flow from this call I can see that a PRACK</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> message which is routed to Kamailio gets discarded (=the proxy does</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> not route the PRACK onwards to the UA that requested the usage of the</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> 100rel in 183 session progress message.) The PRACK message itself</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> seems valid and when compared to a PRACK from a working call, there is</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> no difference in the content.</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">></span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> Cheers,</span><br style="color:rgb(0,0,0);font-family:arial,sans-serif"><span style="color:rgb(0,0,0);font-family:arial,sans-serif">> Olli</span>  <br></div></div>
</blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Daniel-Constantin Mierla - <a href="http://www.asipto.com" target="_blank">http://www.asipto.com</a></div><div><a href="http://twitter.com/#!/miconda" target="_blank">http://twitter.com/#!/miconda</a> - <a href="http://www.linkedin.com/in/miconda" target="_blank">http://www.linkedin.com/in/miconda</a></div></div></div></div></div>