<div dir="ltr">I'm going to resurrect this as I've noticed that opensips 2.4.6 sends CANCEL for branches it never got a provisional response for.  Was this changed intentionally?<div><br></div><div>Also, it looks like the discussion I am responding on was about opensips 1.5 but if any testing is needed around fail-over scenarios I expect to be doing some of that over the next few days.  Just let me know what still needs to be looked at and I'll try to get it in.</div><div><br></div><div><br></div><div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><span><div dir="ltr" style="margin-left:0pt"><table style="border:none;border-collapse:collapse"><colgroup><col width="150"><col width="474"></colgroup><tbody><tr style="height:93pt"><td style="vertical-align:top;padding:5pt 5pt 5pt 5pt"><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><img src="https://lh6.googleusercontent.com/RHbmOLdT6iYkO7QryjK_2Cp5MZ6rur2H4QGOu09yDtXiT6OXl687J-UpI-8Bt2aDI_EA4WKBBpCrPWaIWdF5RkhjruxRoI7GfYE89_m8r2IBg73T8mPpsJOOOJylFwGMVNyuXZZ2" width="136" height="99" style="border:none" alt="BandwidthMaroon.png"></span></p></td><td style="vertical-align:top;padding:5pt 5pt 5pt 5pt"><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"> </p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">Richard Revels</span><span style="font-size:9pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">  </span><span style="font-size:9pt;font-family:Arial;color:rgb(195,195,230);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">•</span><span style="font-size:9pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">  </span><span style="font-size:12.8px">System Architect II</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:9pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">900 Main Campus Drive, Suite 100, Raleigh, NC 27606</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"> </p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:9pt;font-family:Arial;color:rgb(166,77,121);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">m:</span><span style="font-size:9pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> <span title="Call with Google Voice"><span id="gc-number-68" class="gc-cs-link" title="Call with Google Voice">919-578-3421</span></span>  </span><span style="font-size:9pt;font-family:Arial;color:rgb(195,195,230);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">•</span><span style="font-size:9pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> </span><span style="font-size:9pt;font-family:Arial;color:rgb(166,77,121);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"> o: </span><span style="font-size:9pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><span title="Call with Google Voice"><span id="gc-number-69" class="gc-cs-link" title="Call with Google Voice">919-727-4614</span></span></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:9pt;font-family:Arial;color:rgb(166,77,121);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">e: </span><span style="font-size:9pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><a href="mailto:rrevels@bandwidth.com" target="_blank">rrevels@bandwidth.com</a></span></p></td></tr></tbody></table></div></span></div></div></div></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Apr 5, 2011 at 3:33 PM Bogdan-Andrei Iancu <<a href="mailto:bogdan@opensips.org">bogdan@opensips.org</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">Hi guys,<br>
<br>
Actually it will be great to have that patch tested to know for sure if <br>
the problem is solved. I never got a 100% confirmation from Andrew, but <br>
maybe Piotr can test and confirm.<br>
<br>
Thanks and regards,<br>
Bogdan<br>
<br>
On 04/05/2011 04:58 PM, Andrew Pogrebennyk wrote:<br>
> Hi Piotr,<br>
> This sounds familiar to the problem I experienced some time ago - make <br>
> sure to check comments here: <br>
> <a href="https://sourceforge.net/tracker/?func=detail&atid=1086410&aid=2940556&group_id=232389" rel="noreferrer" target="_blank">https://sourceforge.net/tracker/?func=detail&atid=1086410&aid=2940556&group_id=232389</a><br>
><br>
> I haven't been able to replicate that setup to confirm that the <br>
> attached patch works. You are welcome to try it though :) Note RFC <br>
> states it clearly that if no response has been received from the UAS <br>
> at all, we should not attempt to send a CANCEL there.<br>
><br>
> But it seems that in your case you received some provisional response <br>
> so the issue has to do with the order in which CANCEL is fired - <br>
> exactly what the patch is intended to fix.<br>
><br>
> On 05.04.2011 15:56, Piotr Sobolewski wrote:<br>
>> I'm having problem with specific gateway to which OpenSIPS sends<br>
>> INVITE and then another INVITE (CallForward on no Aswer).<br>
>> The  problem is when after sending first INVITE to gateway (without<br>
>> getting final response), OpenSIPS hits failure route and then sends<br>
>> another INVITE (with different RURI) toward gateway before CANCEL is<br>
>> sent, so the gateway responds to second INVITE with "482 Request<br>
>> merged" (and gateway does not attempt to make second connection).<br>
>> Is there a way to send CANCEL before sending second INVITE ?<br>
><br>
<br>
<br>
-- <br>
Bogdan-Andrei Iancu<br>
OpenSIPS eBootcamp - 2nd of May 2011<br>
OpenSIPS solutions and "know-how"<br>
<br>
<br>
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</blockquote></div>