<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div>Hi </div><div>You said that only thing changed is the Provider chanded their end.</div><div>Have you compared the previous signaling to the current ?</div><div>Previous I mean before provider change their switch.</div><div>Could there be some difference and that causes this error.</div><div><br></div><div>Tomi</div><div><br>On 21 Dec 2017, at 23.01, Jean Cérien <<a href="mailto:cerien.jean@gmail.com">cerien.jean@gmail.com</a>> wrote:<br><br></div><div><div dir="ltr"><br><div>Hello</div><div>I am using kamailio 5.0.2, on a debian 9 system.</div><div><br></div><div>Everything was running fine, until one of our voip provider changed his switch. Our kamailio is relaying between several voip providers and several asterisk (only the signalisation, no rtp).</div><div><br></div><div>When we get an invite from this new switch, we select an asterisk and relay it correctly to this box. However, the OK is relayed back. But when the voip providers sends an ACK for this OK, the t_relay function does not return at all, it just dies with no action and no error.</div><div><br></div><div>Here is the snippet from route(relay)</div><div><br></div><div><div> xlog("L_INFO","route(relay) @@ $rm - Source: $si:$sp, fu:$fu, tu:$tu\n" );</div><div> $var(restrelay)=t_relay();</div><div> xlog("L_INFO","route(relay) @@ $rm - t_relay result: $var(restrelay)" );</div><div> if (!$var(restrelay)) {</div></div><div><br></div><div>When processing the initial invite, I do get both INFO messages. When the ACK is processed, I only get one INFO message, and no ACK is relayed - so it seems execution dies in the t_relay</div><div><br></div><div>What could be wrong ???</div><div><br></div><div>J.</div><div><br></div><div>Details of the ACK:</div><div><br></div><div><div><font face="monospace, monospace">ACK <a href="sip:dialednumber@kamailioIP:5060">sip:dialednumber@kamailioIP:5060</a> SIP/2.0<br></font></div><div><font face="monospace, monospace">Via: SIP/2.0/UDP VOIPPROVIDERIP:5060;branch=z9hG4bKjq16fi00d85uee181ic0.1</font></div><div><font face="monospace, monospace">To: <<a href="sip:kamailioIP:5060">sip:kamailioIP:5060</a>>;tag=as7f10ed48</font></div><div><font face="monospace, monospace">From: <<a href="mailto:sip%3Asourcenumber@orange-multimedia.fr">sip:sourcenumber@orange-multimedia.fr</a>>;tag=SD8u3ob01-7dd8efde-0002-00d5-0000-0000</font></div><div><font face="monospace, monospace">Call-ID: SD8u3ob01-688d41f5e2164ceeafe76f40b82b3f97-v300g00030</font></div><div><font face="monospace, monospace">CSeq: 1 ACK</font></div><div><font face="monospace, monospace">Max-Forwards: 66</font></div><div><font face="monospace, monospace">Content-Length: 0</font></div><div><font face="monospace, monospace">Route: <<a href="sip:kamailioIP;lr=on;ftag=SD8u3ob01-7dd8efde-0002-00d5-0000-0000;did=a0b.49d">sip:kamailioIP;lr=on;ftag=SD8u3ob01-7dd8efde-0002-00d5-0000-0000;did=a0b.49d</a>></font></div></div><div><br></div><div><br></div><div><br></div><div>(should you have enough width; the diagram will look ok)</div><div><br></div><div><div><font face="monospace, monospace"> VOIP PROVIDER KAMAILIO ASTERISK</font></div><div><font face="monospace, monospace"> 21:38:54.685149 │ ──────────────────────────> │ │ </font></div><div><span style="font-family:monospace,monospace">▒ +0.000451 │ 100 trying -- your call is │ │ </span></div><div><font face="monospace, monospace">▒ 21:38:54.685600 │ <────────────────────────── │ │ </font></div><div><font face="monospace, monospace">▒ +0.000084 │ │ INVITE (SDP) │ </font></div><div><font face="monospace, monospace">▒ 21:38:54.685684 │ │ ──────────────────────────> │ </font></div><div><font face="monospace, monospace">▒ +0.000831 │ │ 100 Trying │ </font></div><div><font face="monospace, monospace">▒ 21:38:54.686515 │ │ <────────────────────────── │ </font></div><div><font face="monospace, monospace">▒ +0.000471 │ │ 200 OK (SDP) │ </font></div><div><font face="monospace, monospace">▒ 21:38:54.686986 │ │ <────────────────────────── │ </font></div><div><font face="monospace, monospace">▒ +0.000394 │ 200 OK (SDP) │ │ </font></div><div><font face="monospace, monospace">▒ 21:38:54.687380 │ <────────────────────────── │ │ </font></div><div><font face="monospace, monospace">▒ +0.038694 │ ACK │ │ </font></div><div><font face="monospace, monospace">▒ 21:38:54.726074 │ ──────────────────────────> │ │ </font></div><div><font face="monospace, monospace">▒ +0.060155 │ │ 200 OK (SDP) │ </font></div><div><font face="monospace, monospace">▒ 21:38:54.786229 │ │ <<<──────────────────────── │ </font></div><div><font face="monospace, monospace">▒ +0.000138 │ 200 OK (SDP) │ │ </font></div><div><font face="monospace, monospace">▒ 21:38:54.786367 │ <<<──────────────────────── │ │ </font></div><div><font face="monospace, monospace">▒ +0.005721 │ ACK │ │ </font></div></div><div><br></div><div><br></div></div>
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