<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:verdana, helvetica, sans-serif;font-size:10pt"><DIV>The trace that I pasted on the pastebin was from our analyzer,<FONT size=2>Tektronix spectra2 that was sitting between FS and customer. I also had the FS sip trace on and compare with the trace from Spectra when I found out about the 3rd re-invite was missing from FS.</FONT></DIV>
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<DIV>Thank you.<BR></DIV>
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<B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> Anthony Minessale <anthony.minessale@gmail.com><BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> freeswitch-users@lists.freeswitch.org<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thu, December 17, 2009 7:57:42 AM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [Freeswitch-users] SIP Re-invite<BR></FONT><BR>The question was:<BR><BR>Are you doing the packet capture on the actual FS box using tshark or tcpdump?<BR><BR><BR>
<DIV class=gmail_quote>On Thu, Dec 17, 2009 at 9:48 AM, DJB <SPAN dir=ltr><<A href="mailto:djbinter@yahoo.com" rel=nofollow target=_blank ymailto="mailto:djbinter@yahoo.com">djbinter@yahoo.com</A>></SPAN> wrote:<BR>
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<DIV>Anthony,</DIV>
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<DIV>I have pasted the invite sip trace here: <A href="http://pastebin.freeswitch.org/11536" rel=nofollow target=_blank>http://pastebin.freeswitch.org/11536</A></DIV>
<DIV>Please advise if you need further info.</DIV>
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<DIV>Thank you.<BR></DIV>
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<B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> Anthony Minessale <<A href="mailto:anthony.minessale@gmail.com" rel=nofollow target=_blank ymailto="mailto:anthony.minessale@gmail.com">anthony.minessale@gmail.com</A>><BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> <A href="mailto:freeswitch-users@lists.freeswitch.org" rel=nofollow target=_blank ymailto="mailto:freeswitch-users@lists.freeswitch.org">freeswitch-users@lists.freeswitch.org</A><BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Wed, December 16, 2009 3:42:48 PM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [Freeswitch-users] SIP Re-invite<BR></FONT><BR></DIV>
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<DIV class=h5>that means the invite is not matching the call dialog<BR>compare the via tags and call-id etc<BR><BR><BR>
<DIV class=gmail_quote>On Wed, Dec 16, 2009 at 5:29 PM, DJB <SPAN dir=ltr><<A href="mailto:djbinter@yahoo.com" rel=nofollow target=_blank ymailto="mailto:djbinter@yahoo.com">djbinter@yahoo.com</A>></SPAN> wrote:<BR>
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<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt">We have a customer that we are sending calls to off the FS and here is the issue: </SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt"> </SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt">Call is initially setup fine and they send a first re-invite with media 0.0.0.0 to place the caller on hold. FS sends a 200 ok to this first re-invite fine </SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt"> </SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt">They then send a second re-invite with their media IP to cut through media and the FS sends a 200 OK to this fine. At this point the call is fine </SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt"> </SPAN></P>
<P class=MsoNormal><SPAN style="FONT-SIZE: 10pt">30 minutes later they send a third re-invite because according to them it is strictly for the purpose of “keep alive” per RFC 4028. This third re-invite has the exact same media IP and UDP pot information as the second re-invite does. The problem is FS does not respond to this third re-invite AT ALL. It doesn’t send a 100 trying a 200 OK nothing so this causes the call to be dropped as the other end does not recieve a response from FS. </SPAN></P>
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<P class=MsoNormal><FONT face="Arial, sans-serif">One more thing, we did not see the third re-invite in sofia siptrace, but we do see it in ethereal, which is kind of odds.</FONT></P>
<P class=MsoNormal><FONT face="Arial, sans-serif"><BR></FONT></P>
<P class=MsoNormal><FONT face="Arial, sans-serif">We are running FreeSWITCH Version 1.0.trunk (15979) in bypass media mode.</FONT></P>
<P class=MsoNormal><FONT face="Arial, sans-serif"><BR></FONT></P>
<P class=MsoNormal><FONT face="Arial, sans-serif">Thank you very much.</FONT></P></DIV>
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