if you are talking to a device that pretends to do session timers but really does not, the re-invite can cause a hangup.<br>We have seen this with sonus many times, do you have sonus involved in your call per chance?<br><br>
<br><div class="gmail_quote">On Wed, Aug 26, 2009 at 7:59 AM, Dennis <span dir="ltr"><<a href="mailto:odermann@googlemail.com">odermann@googlemail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
> You have a NAT issue.<br>
<br>
as i wrote, we are quite sure, that this is a nat problem. but we have<br>
no idea how we could fix this. there must be a reason, why the hangup<br>
always comes after 120 seconds.<br>
<div class="im"><br>
<br>
> <!--RTP port range --><br>
> <param name="rtp-start-port" value="10000"/><br>
> <param name="rtp-end-port" value="32767"/><br>
<br>
</div>we tested that, but this does not change anything (nothing becomes<br>
worse or better).<br>
<div class="im"><br>
<br>
> param name="session-timeout" value="120"<br>
<br>
</div>this line is commented in our profile and we believe, that this has<br>
nothing to do with our problem.<br>
<br>
<br>
to tell a little bit more about our problem:<br>
<br>
under <a href="http://wiki.freeswitch.org/wiki/General_NAT_example_scenarios#Scenario_2" target="_blank">http://wiki.freeswitch.org/wiki/General_NAT_example_scenarios#Scenario_2</a><br>
you can find the scenario, which is exactly like ours. we played with<br>
all the mentioned settings, but it does not work.<br>
<br>
to mention one thing: if we connect with xlite (softphone), we do not<br>
have any problems. but we have snom-voip-phones and with them we have<br>
the problems.<br>
<br>
the big question is: wo or what might cause/trigger the hangup? is it<br>
freeswitch or something else? we have a firewall (IPCop) - might there<br>
be a setting, which needs to be set, to avoid theses problems?<br>
<br>
<br>
kind regards<br>
<font color="#888888">dennis<br>
</font><div><div></div><div class="h5"><br>
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