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<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=034114315-10052006>I had the same issue, but with the client behind NAT.
The problem wasn't the Via, it was on one hand the </SPAN></FONT></DIV>
<DIV><FONT face=Arial><FONT color=#0000ff><FONT size=2><SPAN
class=034114315-10052006> </SPAN>x-route-tag=<SPAN
class=034114315-10052006>"</SPAN>tgrp:E\d+-\d+<SPAN
class=034114315-10052006>"</SPAN></FONT></FONT></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=034114315-10052006>I had
to strip away, because the GS didn't like it.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=034114315-10052006>And on
the other hand Cisco acts as a strict router, adding another Route header field
at the end, which was not stripped by OS, and if that was a private IP address,
the ACK never reaches the GS phone.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=034114315-10052006></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=034114315-10052006>hopefully that helps.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=034114315-10052006></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=034114315-10052006>br</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=034114315-10052006>Walter</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2></FONT> </DIV>
<DIV><BR></DIV>
<DIV class=OutlookMessageHeader lang=de dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> users-bounces@openser.org
[mailto:users-bounces@openser.org] <B>On Behalf Of </B>Dioris
Moreno<BR><B>Sent:</B> Wednesday, May 10, 2006 5:26 PM<BR><B>To:</B>
users@openser.org<BR><B>Subject:</B> [Users] Comma-Separated Via
Header<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-US">I was
making some fax tests using a Cisco AS5300, <SPAN class=SpellE>OpenSER</SPAN>
1.0.1 and a </SPAN></FONT><st1:PersonName><FONT face=Arial size=2><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-US">Grandstream</SPAN></FONT></st1:PersonName><FONT
face=Arial size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-US"> HandyTone
486. Everything results fine when I previously make the same test directly from
the HandyTone to the <SPAN class=GramE>AS5300,</SPAN> however when I put <SPAN
class=SpellE>OpenSER</SPAN> in the middle the fax connection could not be
established. Checking captures at both ends, I noticed the HandyTone was not
receiving the OK response to its RE-INVITE request, but the AS5300 was sending
it. Looking a capture in the <SPAN class=SpellE>OpenSER</SPAN>, I suppose it
didn’t send the OK response from the AS5300 to the HandyTone because the format
of the Via Header used by the AS5300. Look at the captures below, the AS5300
sends the <SPAN class=GramE>Via</SPAN> header in a comma-separated format
instead using a line for each one. Is there a way to workaround
this?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-US">I think my
best option is to modify the <SPAN class=SpellE>OpenSER</SPAN> code to support
both formats. Is this something that somebody already does it? If the answer it
is not, where can I start?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-US"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-US">I’ll
appreciate any help.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-US"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><st1:PersonName><FONT face=Arial size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-US">Dioris
Moreno</SPAN></FONT></st1:PersonName><FONT face=Arial size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-US"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-US"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-US"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-US"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US">Cisco
AS5300 IP Address:<SPAN
style="mso-tab-count: 2">
</SPAN>AAA.BBB.CCC.DDD<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><SPAN class=SpellE><FONT
face="Courier New" size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US">OpenSER</SPAN></FONT></SPAN><FONT
face="Courier New" size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US">
IP Address:<SPAN
style="mso-tab-count: 3">
</SPAN>WWW.XXX.YYY.ZZZ<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><st1:PersonName><FONT
face="Courier New" size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US">Grandstream</SPAN></FONT></st1:PersonName><FONT
face="Courier New" size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US">
HT486 IP Address:<SPAN style="mso-tab-count: 2">
</SPAN>FFF.GGG.HHH.III<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US">Calling
Party Number (PSTN):<SPAN style="mso-tab-count: 1"> </SPAN><SPAN
style="mso-tab-count: 1"> </SPAN><SPAN
class=SpellE>UserA</SPAN><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US">Called
Party Number (VoIP):<SPAN
style="mso-tab-count: 2"> </SPAN><SPAN
class=SpellE>UserB</SPAN><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US">Message
<SPAN class=GramE>From</SPAN> <SPAN class=SpellE>OpenSER</SPAN> to Cisco
AS5300<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US">Session
Initiation Protocol<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes"> </SPAN>Request-Line: INVITE
sip:UserA@AAA.BBB.CCC.DDD:5060 SIP/2.0<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>Method: INVITE<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>Resent Packet: False<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes"> </SPAN>Message
Header<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>Record-Route: <<SPAN class=SpellE>sip<SPAN
class=GramE>:WWW.XXX.YYY.ZZZ</SPAN>;ftag</SPAN>=266f5f157860b9ca;lr=on><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes"> </SPAN>Via:
SIP/2.0/UDP <SPAN
class=SpellE>WWW.XXX.YYY.ZZZ;branch</SPAN>=z9hG4bK6a82.677fb8e1.0<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes"> </SPAN>Via:
SIP/2.0/UDP FFF.GGG.HHH.III:50841<SPAN
class=GramE>;branch</SPAN>=z9hG4bK90436408698e6881<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>From: <<SPAN
class=SpellE>sip:UserB@WWW.XXX.YYY.ZZZ</SPAN>>;tag=266f5f157860b9ca<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>SIP from address: <SPAN
class=SpellE>sip:UserB@WWW.XXX.YYY.ZZZ</SPAN><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>SIP tag: 266f5f157860b9ca<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes"> </SPAN>To:
<<SPAN
class=SpellE>sip:UserA@AAA.BBB.CCC.DDD</SPAN>>;tag=D33F86B0-94F<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>SIP to address: <SPAN
class=SpellE>sip:UserA@AAA.BBB.CCC.DDD</SPAN><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>SIP tag: D33F86B0-94F<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US">Message
<SPAN class=GramE>From</SPAN> Cisco AS5300 to <SPAN
class=SpellE>OpenSER</SPAN><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US">Session
Initiation Protocol<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes"> </SPAN>Status-Line: SIP/2.0 200
OK<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>Status-Code: 200<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>Resent Packet: False<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes"> </SPAN>Message
Header<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes"> </SPAN>Via:
SIP/2.0/UDP <SPAN
class=SpellE>WWW.XXX.YYY.ZZZ;branch</SPAN>=z9hG4bK6a82.677fb8e1.0,SIP/2.0/UDP
FFF.GGG.HHH.III:50841<SPAN
class=GramE>;branch</SPAN>=z9hG4bK90436408698e6881<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>From: <<SPAN
class=SpellE>sip:UserB@WWW.XXX.YYY.ZZZ</SPAN>>;tag=266f5f157860b9ca<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>SIP from address: <SPAN
class=SpellE>sip:UserB@WWW.XXX.YYY.ZZZ</SPAN><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>SIP tag: 266f5f157860b9ca<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes"> </SPAN>To:
<<SPAN
class=SpellE>sip:UserA@AAA.BBB.CCC.DDD</SPAN>>;tag=D33F86B0-94F<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN>SIP to address: <SPAN
class=SpellE>sip:UserA@AAA.BBB.CCC.DDD</SPAN><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="mso-layout-grid-align: none"><FONT face="Courier New"
size=2><SPAN lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-US"><SPAN
style="mso-spacerun: yes">
</SPAN></SPAN></FONT><FONT face="Courier New" size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'">SIP <SPAN
class=SpellE>tag</SPAN>: D33F86B0-94F<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN lang=EN-US
style="FONT-SIZE: 12pt; mso-ansi-language: EN-US"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN lang=EN-US
style="FONT-SIZE: 12pt; mso-ansi-language: EN-US"><o:p> </o:p></SPAN></FONT></P></DIV></BODY></HTML>