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<p class=MsoNormal><font size=2 face=Tahoma><span lang=DE style='font-size:
11.0pt;font-family:Tahoma'>Hi All,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span lang=DE style='font-size:
11.0pt;font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>I am using the dispatcher (in OpenSip 1.4.2) module to
balance the load but I am struggling with the fail-over configuration. As far
as I know, OpenSip is a transaction stateful server (not dialog statefull) so
that It will not correlate the different transactions of one dialog.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>My problem is in case of failover when a dialog was already
established. The scenario is as follows:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>1. During the course of the call, the application server
goes down <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>2. Application Server back-up takes over. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>3. Call is not affected. RTP continues flowing.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>4. User disconnects the call.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>5. When the user disconnect the call, obviously the BYE
will try the get the old route to the destination, but as this Application
Server was “moved” to another IP Address<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>6. OpenSip receives a timeout.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>7. OpenSip notes the problem, marks destination unavailable
and selects the new destination from the list of proxies.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>8. Message goes to destination.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>I looked at the list and there are a couple of examples but
all of these are assuming the initial INVITE. Here, I already sent the INVITE
and the call was successful established…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>How can I set up (or where in) the configuration file to
capture this reply message?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>I tried to used the reply_route section, but I it is not
allowed to put calls like dst_mark() .. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'>Any help will be much appreciated.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:11.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin:1.5pt'><font size=2 color=black face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:black'>Julio
Gonzalez-Saenz </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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