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<DIV>The Route header is used:</DIV>
<DIV><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Route: <</SPAN><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">:10.1.10.65;ftag=1cac2190;lr>,<</SPAN></FONT><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">:10.1.10.65;ftag=1cac2190;lr></SPAN></FONT></DIV>
<DIV>Looks like you have double record routing for the INVITE. Have you set
modparam use_double_rr (rr module)? </DIV>
<DIV>g-) </DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=rnikaeen@goldline.net href="mailto:rnikaeen@goldline.net">Ramin
Nikaeen</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=serusers@lists.iptel.org
href="mailto:serusers@lists.iptel.org">Serusers</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, February 21, 2006 3:15
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [Serusers] loose_route
bug?!</DIV>
<DIV><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Hi Everyone,</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I am using SER version
</SPAN></FONT></P>
<P class=MsoNormal style="TEXT-INDENT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Server: Sip EXpress router (0.9.2
(i386/linux)).</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I am initiating a call from a
caller </SPAN></FONT><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> UA to a callee
</SPAN></FONT><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> UA and I am
receiving the </SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">ACK response to the INVITE from
the callee on SER. Before loose_route processing </SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">it looks like
this:</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">ACK </SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">:2224440133@10.1.10.65:5060
SIP/2.0</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Via: SIP/2.0/UDP
172.16.15.52:5060;rport;branch=z9hG4bK83e54f590401584628d473053d1ef8a8</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">From: <</SPAN></FONT><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">:2224440132@xxx.yyy.zzz:5060>;tag=1cac2190</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">To: <</SPAN></FONT><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">:2224440131@xxx.yyy.zzz:5060>;tag=d323038ba423a329i0</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Call-ID:
66cb6ba85191e6025ebde2c552177442@172.16.15.52</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">CSeq: 1
ACK
</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Contact: <</SPAN></FONT><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">:2224440132@172.16.15.52:5060></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Max-Forwards:
70
</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Route: <</SPAN></FONT><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">:10.1.10.65;ftag=1cac2190;lr>,<</SPAN></FONT><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">:10.1.10.65;ftag=1cac2190;lr></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Content-Length:
0
</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">After loose_route processing and
relaying, the ACK, instead of being routed to the callee</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">(2224440133) User Agent, it is
received back at SER looking like this:</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">ACK </SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">:10.1.10.65;ftag=1cac2190;lr
SIP/2.0</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Record-Route:
<</SPAN></FONT><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">:10.1.10.65;ftag=1cac2190;lr=on></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Via: SIP/2.0/UDP
10.1.10.65;branch=0</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Via: SIP/2.0/UDP
172.16.15.52:5060;rport=5060;branch=z9hG4bK83e54f590401584628d473053d1ef8a8</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">From: <</SPAN></FONT><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">:2224440132@xxx.yyy.zzz:5060>;tag=1cac2190</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">To: <</SPAN></FONT><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">:2224440131@xxx.yyy.zzz:5060>;tag=d323038ba423a329i0</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Call-ID:
66cb6ba85191e6025ebde2c552177442@172.16.15.52</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">CSeq: 1 ACK</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Contact: <</SPAN></FONT><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">sip</SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">:2224440132@172.16.15.52:5060></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Max-Forwards: 16</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Route:</SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Content-Length:
0</SPAN></FONT></P>
<P class=MsoNormal></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">Why is SER routing this ACK request incorrectly?!
</SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">Is the syntax of the original ACK generated by the
Callee’s UA incorrect?!</SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">I would appreciate any help as I can’t figure it
whether there is something wrong</SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">with ACK’s syntax or there is a bug in SER’s
loose_route processing?!</SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">Thanks a lot</SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"></SPAN></FONT> </P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">ramin</SPAN></FONT></P></DIV>
<P>
<HR>
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