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<body lang=DE link=blue vlink=purple style='tab-interval:36.0pt'>
<div class=Section1>
<p class=MsoNormal><font size=2 color=blue face=Verdana><span style='font-size:
10.0pt;font-family:Verdana;color:blue'>Robert,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Verdana><span style='font-size:
10.0pt;font-family:Verdana;color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=GramE><font size=2 color=blue face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana;color:blue;mso-ansi-language:
EN-GB'>the</span></font></span><font size=2 color=blue face=Verdana><span
lang=EN-GB style='font-size:10.0pt;font-family:Verdana;color:blue;mso-ansi-language:
EN-GB'> gateway man</span></font><st1:PersonName><font size=2 color=blue
face=Verdana><span lang=EN-GB style='font-size:10.0pt;font-family:Verdana;
color:blue;mso-ansi-language:EN-GB'>da</span></font></st1:PersonName><font
size=2 color=blue face=Verdana><span lang=EN-GB style='font-size:10.0pt;
font-family:Verdana;color:blue;mso-ansi-language:EN-GB'>tes PRACK, that cant be
turned off. The OPTIONS can be avoided if the phone is set to use REFER
explicitly.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Verdana><span lang=EN-GB
style='font-size:10.0pt;font-family:Verdana;color:blue;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Verdana><span lang=EN-GB
style='font-size:10.0pt;font-family:Verdana;color:blue;mso-ansi-language:EN-GB'>CS<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Verdana><span style='font-size:
10.0pt;font-family:Verdana;color:blue'><o:p> </o:p></span></font></p>
<div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>-----Ursprüngliche Nachricht-----<br>
<b><span style='font-weight:bold'>Von:</span></b> Robert Messer
[mailto:rmesser@abpintl.com] <br>
<b><span style='font-weight:bold'>Gesendet:</span></b> Dienstag, 4. März 2003
05:58<br>
<b><span style='font-weight:bold'>An:</span></b> cs@snom.de<br>
<b><span style='font-weight:bold'>Betreff:</span></b> RE: Snom phone (fwd)</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=2 color=blue face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:blue;mso-ansi-language:EN-US'>Kevin,</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-US
style='font-size:12.0pt;mso-ansi-language:EN-US'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 color=blue face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:blue;mso-ansi-language:EN-US'>I
will try to modify the code accordingly, however, </span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-US
style='font-size:12.0pt;mso-ansi-language:EN-US'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 color=blue face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:blue;mso-ansi-language:EN-US'>I've
been looking at the OPTIONS tag. Perhaps I can tell the</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><font size=2 color=blue face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:blue;mso-ansi-language:EN-US'>snom
phone not to use PRACK? I'll look into that.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-US
style='font-size:12.0pt;mso-ansi-language:EN-US'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 color=blue face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:blue;mso-ansi-language:EN-US'>Thanks,</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-US
style='font-size:12.0pt;mso-ansi-language:EN-US'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 color=blue face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:blue;mso-ansi-language:EN-US'>---greg</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-US
style='font-size:12.0pt;mso-ansi-language:EN-US'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-US
style='font-size:12.0pt;mso-ansi-language:EN-US'> <o:p></o:p></span></font></p>
</div>
<blockquote style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'>-----Original
Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> Kevin
[mailto:kmoroz@abpintl.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> </span></font><st1:date
Month="3" Day="3" Year="2003"><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'>Monday,
March 03, 2003</span></font></st1:date><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'>
</span></font><st1:time Hour="20" Minute="9"><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'>8:09
PM</span></font></st1:time><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'><br>
<b><span style='font-weight:bold'>To:</span></b> 'Greg Fausak'<br>
<b><span style='font-weight:bold'>Cc:</span></b> 'Robert Messer';
sip@august.net; serusers@lists.iptel.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: Snom phone (fwd)</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'>Greg,
<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'><span
style='mso-spacerun:yes'> </span>According to snom engineering you should put
the routing <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'>information
in the first 200 OK we receive.<span style='mso-spacerun:yes'> </span>Can you
do that and try it?<span style='mso-spacerun:yes'> </span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'>You
can test against my proxy if you like to see how it should work. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'>Regards,
<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'>Kevin<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'>-----Original
Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> Greg Fausak
[mailto:greg@august.net] <br>
<b><span style='font-weight:bold'>Sent:</span></b> </span></font><st1:date
Month="3" Day="3" Year="2003"><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'>Monday,
March 03, 2003</span></font></st1:date><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'>
</span></font><st1:time Hour="19" Minute="13"><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'>7:13
PM</span></font></st1:time><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'><br>
<b><span style='font-weight:bold'>To:</span></b> 'Kevin'<br>
<b><span style='font-weight:bold'>Cc:</span></b> 'Robert Messer';
sip@august.net; serusers@lists.iptel.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: Snom phone (fwd)</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt;mso-ansi-language:
EN-US'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>Kevin,</span></font><span lang=EN-US
style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt;mso-ansi-language:
EN-US'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>I initially sent the packet:</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt;mso-ansi-language:
EN-US'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > This is that packet that
came from the last 200 OK <- PROXY:</span></font><span lang=EN-US
style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > ></span></font><span
lang=EN-US style='mso-ansi-language:EN-US'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > #</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > U 2003/02/24 07:56:52.503535
216.87.144.203:5060 -></span></font><span lang=EN-US style='mso-ansi-language:
EN-US'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > 216.87.145.22:5060</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > SIP/2.0 200 OK.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > Via: SIP/2.0/UDP
216.87.145.22:5060;branch=z9hG4bK-ng5tokyx448r.</span></font><span lang=EN-US
style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > From: "snom man"
<sip:4695461245@augustvoice.net>;tag=8u6ju8wxuc.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > To:
<sip:2143357976@augustvoice.net;user=phone>;tag=3CBB0360-532.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > Date: </span></font><st1:date
Month="2" Day="24" Year="2003"><font size=2 color=blue face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:blue;mso-ansi-language:
EN-US'>Mon, 24 Feb 2003</span></font></st1:date><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'> </span></font><st1:time Hour="13"
Minute="56"><font size=2 color=blue face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:blue;mso-ansi-language:EN-US'>13:56:43
GMT</span></font></st1:time><font size=2 color=blue face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:blue;mso-ansi-language:
EN-US'>.</span></font><span lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > Call-ID:
3c267202b6a8-lgseu8olovlp@216.87.145.22.</span></font><span lang=EN-US
style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > Server: Cisco-SIPGateway/IOS-12.x.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > CSeq: 2 INVITE.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > Session-Expires:
7200;refresher=uac.</span></font><span lang=EN-US style='mso-ansi-language:
EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > Require: timer.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > Allow-Events:
telephone-event.</span></font><span lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > Contact:
<sip:92143357976@216.87.144.196:5060;user=phone>.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > Record-Route: <sip:2143357976@216.87.144.203;ftag=8u6ju8wxuc;lr>.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > Content-Type:
application/sdp.</span></font><span lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > Content-Length: 209.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > .</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > v=0.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > >
o=CiscoSystemsSIP-GW-UserAgent 7543 5694 IN IP4 216.87.144.196.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > s=SIP Call.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > c=IN IP4 216.87.144.196.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > t=0 0.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > m=audio 16632 RTP/AVP 0 100.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > a=rtpmap:0 PCMU/8000.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > a=rtpmap:100 X-NSE/8000.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > > a=fmtp:100 192-194.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>> > ></span></font><span
lang=EN-US style='mso-ansi-language:EN-US'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt;mso-ansi-language:
EN-US'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>This is the 200 OK (response to the INVITE)
message as delivered to the phone.</span></font><span lang=EN-US
style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt;mso-ansi-language:
EN-US'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>I couldn't figure out what you were saying,
so I went back to</span></font><span lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>the ethereal trace. After the snom
phone receives a 183 status</span></font><span lang=EN-US style='mso-ansi-language:
EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>message, it sends a PRACK to the
PROXY. This PRACK is</span></font><span lang=EN-US style='mso-ansi-language:
EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>OKed, without a Record-route. The
next message is an OK</span></font><span lang=EN-US style='mso-ansi-language:
EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>responding to the original INVITE, which
does indeed have a Record-Route.</span></font><span lang=EN-US
style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt;mso-ansi-language:
EN-US'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>So, you are saying that the OK to your
PRACK needs a record route?</span></font><span lang=EN-US style='mso-ansi-language:
EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>I can do that I think, because the OK to
the INVITE does indeed have</span></font><span lang=EN-US style='mso-ansi-language:
EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>a Record-route.</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt;mso-ansi-language:
EN-US'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>I don't even know what a PRACK is for...</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt;mso-ansi-language:
EN-US'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:blue;mso-ansi-language:EN-US'>---greg</span></font><span lang=EN-US
style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt;mso-ansi-language:
EN-US'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt;mso-ansi-language:
EN-US'> <o:p></o:p></span></font></p>
</div>
<blockquote style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:
12.0pt;margin-left:36.0pt'><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'>-----Original
Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> Kevin
[mailto:kmoroz@abpintl.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> </span></font><st1:date
Month="3" Day="3" Year="2003"><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'>Monday,
March 03, 2003</span></font></st1:date><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'>
</span></font><st1:time Hour="17" Minute="19"><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'>5:19
PM</span></font></st1:time><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'><br>
<b><span style='font-weight:bold'>To:</span></b> Greg Fausak<br>
<b><span style='font-weight:bold'>Cc:</span></b> 'Robert Messer'<br>
<b><span style='font-weight:bold'>Subject:</span></b> FW: Snom phone (fwd)</span></font><span
lang=EN-US style='mso-ansi-language:EN-US'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:navy;mso-ansi-language:EN-US'>Hi Greg, <o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:navy;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:navy;mso-ansi-language:EN-US'><span style='mso-spacerun:yes'>
</span>Sorry it took so long to get back to you.<span
style='mso-spacerun:yes'> </span>Normally it is faster but as I stated the SIP
inter-<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:navy;mso-ansi-language:EN-US'>operability was last week which caused the
delay.<span style='mso-spacerun:yes'> </span>Looks like the issue is with the <o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:navy;mso-ansi-language:EN-US'>SER proxy.<span style='mso-spacerun:yes'>
</span>If I knew the specification deeper I should have been able to answer it
myself.<span style='mso-spacerun:yes'> </span>Engineering cc’s Jiri on
their response to me so he is aware of the issue.<span
style='mso-spacerun:yes'> </span><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:navy;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:navy;mso-ansi-language:EN-US'>Regards,<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:navy;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:navy;mso-ansi-language:EN-US'>Kevin<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:navy;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Tahoma><span
lang=EN-US style='font-size:10.0pt;font-family:Tahoma;mso-ansi-language:EN-US'>-----Original
Message-----<br>
<b><span style='font-weight:bold'><span style='mso-spacerun:yes'> </span></span></b></span></font><font
size=2 color=blue face=Verdana><span lang=EN-US style='font-size:10.0pt;
font-family:Verdana;color:blue;mso-ansi-language:EN-US'><o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Verdana><span lang=EN-US style='font-size:10.0pt;font-family:Verdana;
color:blue;mso-ansi-language:EN-US'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Verdana><span lang=EN-GB style='font-size:10.0pt;font-family:Verdana;
color:blue;mso-ansi-language:EN-GB'>The phone up</span></font><st1:PersonName
style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"><font
size=2 color=blue face=Verdana><span lang=EN-GB style='font-size:10.0pt;
font-family:Verdana;color:blue;mso-ansi-language:EN-GB'>da</span></font></st1:PersonName><font
size=2 color=blue face=Verdana><span lang=EN-GB style='font-size:10.0pt;
font-family:Verdana;color:blue;mso-ansi-language:EN-GB'>tes the route until it
receives a 2xx code. The 200 Ok response does not contain such a route
therefore the phone uses the last route it receives in the 200 – which is
empty. Therefore, the phone MUST send the ACK directly to the gateway. <o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Verdana><span lang=EN-GB style='font-size:10.0pt;font-family:Verdana;
color:blue;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Verdana><span lang=EN-GB style='font-size:10.0pt;font-family:Verdana;
color:blue;mso-ansi-language:EN-GB'>§ 12.1.2 of the RFC3261. The dialog is NOT
established by the 401-challened request.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Verdana><span lang=EN-GB style='font-size:10.0pt;font-family:Verdana;
color:blue;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Verdana><span lang=EN-GB style='font-size:10.0pt;font-family:Verdana;
color:blue;mso-ansi-language:EN-GB'>The proxy can very easily solve the problem
by putting itself into the routing path of the 200 Ok.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Verdana><span lang=EN-GB style='font-size:10.0pt;font-family:Verdana;
color:blue;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=blue
face=Verdana><span lang=EN-GB style='font-size:10.0pt;font-family:Verdana;
color:blue;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'>
<p class=MsoPlainText style='margin-left:36.0pt'><font size=2 color=navy
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;color:navy;
mso-ansi-language:EN-GB'><span style='mso-spacerun:yes'> </span></span></font><span
lang=EN-GB style='mso-ansi-language:EN-GB'><span
style='mso-spacerun:yes'> </span></span><span lang=EN-US style='mso-ansi-language:
EN-US'><o:p></o:p></span></p>
</div>
</blockquote>
</blockquote>
</div>
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