<div dir="ltr"><div>Hi guys,<br></div><div><br></div><div>We are testing kamailio with sipp. We are running it with 20cps and some calls do the following. When Kamailio is processing the 'ringing' a '200ok' arrives in the middle. First, kamailio forwards the 200 ok and then the ringing. 'ACK' arrives and, I suppose, the call is established. The thing is than when the 'BYE' arrives kamailio responds with a 404. </div><div><br></div><div>This is the summary of the call</div><div><br></div><div>Id Time Source Destination Protocol Len Info<br></div><div><br></div><div>6483<span class="gmail-Apple-tab-span" style="white-space:pre"> </span>2016-12-14 11:26:06.264697<span class="gmail-Apple-tab-span" style="white-space:pre">    </span>SIPP-A<span class="gmail-Apple-tab-span" style="white-space:pre">        </span>KAMAILIO<span class="gmail-Apple-tab-span" style="white-space:pre">      </span>SIP/SDP<span class="gmail-Apple-tab-span" style="white-space:pre">       </span>692<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>Request: INVITE <a href="http://sip:11111111@172.16.213.38:5060">sip:11111111@172.16.213.38:5060</a> | <br></div><div><br></div><div>6484<span class="gmail-Apple-tab-span" style="white-space:pre">  </span>2016-12-14 11:26:06.264937<span class="gmail-Apple-tab-span" style="white-space:pre">    </span>KAMAILIO<span class="gmail-Apple-tab-span" style="white-space:pre">      </span>SIPP-A<span class="gmail-Apple-tab-span" style="white-space:pre">        </span>SIP<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>367<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>Status: 100 trying -- your call is important to us | <br></div><div>6485<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>2016-12-14 11:26:06.266327<span class="gmail-Apple-tab-span" style="white-space:pre">    </span>KAMAILIO<span class="gmail-Apple-tab-span" style="white-space:pre">      </span>SIPP-B<span class="gmail-Apple-tab-span" style="white-space:pre">        </span>SIP/SDP<span class="gmail-Apple-tab-span" style="white-space:pre">       </span>1179<span class="gmail-Apple-tab-span" style="white-space:pre">  </span>Request: INVITE <a href="http://sip:22222222@172.16.213.31:5060">sip:22222222@172.16.213.31:5060</a> | <br></div><div><b>6486<span class="gmail-Apple-tab-span" style="white-space:pre">  </span>2016-12-14 11:26:06.267217<span class="gmail-Apple-tab-span" style="white-space:pre">    </span>SIPP-B<span class="gmail-Apple-tab-span" style="white-space:pre">        </span>KAMAILIO<span class="gmail-Apple-tab-span" style="white-space:pre">      </span>SIP<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>566<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>Status: 180 Ringing | </b><br></div><div>6487<span class="gmail-Apple-tab-span" style="white-space:pre">        </span>2016-12-14 11:26:06.267268<span class="gmail-Apple-tab-span" style="white-space:pre">    </span>SIPP-B<span class="gmail-Apple-tab-span" style="white-space:pre">        </span>KAMAILIO<span class="gmail-Apple-tab-span" style="white-space:pre">      </span>SIP/SDP<span class="gmail-Apple-tab-span" style="white-space:pre">       </span>733<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>Status: 200 OK | <br></div><div>6488<span class="gmail-Apple-tab-span" style="white-space:pre">       </span>2016-12-14 11:26:06.267758<span class="gmail-Apple-tab-span" style="white-space:pre">    </span>KAMAILIO  <span class="gmail-Apple-tab-span" style="white-space:pre"><span style="white-space:normal">SIPP-A</span>       </span>SIP/SDP<span class="gmail-Apple-tab-span" style="white-space:pre">       </span>788<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>Status: 200 OK | <br></div><div><b>6489<span class="gmail-Apple-tab-span" style="white-space:pre">      </span>2016-12-14 11:26:06.267833<span class="gmail-Apple-tab-span" style="white-space:pre">    </span></b>KAMAILIO<b><span class="gmail-Apple-tab-span" style="white-space:pre">   </span></b>SIPP-A<b><span class="gmail-Apple-tab-span" style="white-space:pre">     </span>SIP<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>442<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>Status: 180 Ringing | </b><br></div><div>6490<span class="gmail-Apple-tab-span" style="white-space:pre">        </span>2016-12-14 11:26:06.268868<span class="gmail-Apple-tab-span" style="white-space:pre">    </span>SIPP-A<span class="gmail-Apple-tab-span" style="white-space:pre">        </span>KAMAILIO<span class="gmail-Apple-tab-span" style="white-space:pre">      </span>SIP<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>493<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>Request: ACK sip:127.0.0.8;line=sr-N6IAzBFwMJZfWJZLM.M7MlF-W.y6Mx14NEt7Nw05NhPQKjaP | <br></div><div>6491<span class="gmail-Apple-tab-span" style="white-space:pre">  </span>2016-12-14 11:26:06.269162<span class="gmail-Apple-tab-span" style="white-space:pre">    </span>KAMAILIO<span class="gmail-Apple-tab-span" style="white-space:pre">      </span>SIPP-B<span class="gmail-Apple-tab-span" style="white-space:pre">        </span>SIP<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>609<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>Request: ACK sip:172.16.213.31:5060;transport=UDP | <br></div><div>6492<span class="gmail-Apple-tab-span" style="white-space:pre">    </span>2016-12-14 11:26:06.269614<span class="gmail-Apple-tab-span" style="white-space:pre">    </span>SIPP-A<span class="gmail-Apple-tab-span" style="white-space:pre">        </span>KAMAILIO<span class="gmail-Apple-tab-span" style="white-space:pre">      </span>SIP<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>404<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>Request: BYE <a href="http://sip:11111111@172.16.213.38:5060">sip:11111111@172.16.213.38:5060</a> | <br></div><div>6493<span class="gmail-Apple-tab-span" style="white-space:pre">      </span>2016-12-14 11:26:06.269782<span class="gmail-Apple-tab-span" style="white-space:pre">    </span>KAMAILIO<span class="gmail-Apple-tab-span" style="white-space:pre">      </span>SIPP-A<span class="gmail-Apple-tab-span" style="white-space:pre">        </span>SIP<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>348<span class="gmail-Apple-tab-span" style="white-space:pre">   </span>Status: <b>404 Not here</b> |</div><div><br></div><div>We are using modules rtjson, evapi, uac, topoh, rtpproxy for all calls. My debug level is -1. With higher levels this behavior increase.<br></div><div><br></div><div>Kamailio is running in a virtual machine with centos7 with 8 cores and 8gb of ram.</div><div><br></div><div>Do you need any further information? I can send you a pcap or ngrep file.</div><div><br></div><div>Best regards,</div><div><br></div><div>Diego.</div></div>