<div>Spotted this on the sofia configuration page:</div><div><a href="http://wiki.freeswitch.org/wiki/Sofia_Configuration_Files#session-timeout">http://wiki.freeswitch.org/wiki/Sofia_Configuration_Files#session-timeout</a></div>

<div><br></div><div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">Note: If your switch requires the timer option; for instance, Huawei SoftX3000, it needs this optional field and drops the calls with &quot;Session Timer Check Message Failed&quot;, then you may be able to revert back the commit that took away the Require: timer option which is an optional field by:</blockquote>

</div><div><br></div><div>Perhaps this is the issue? According to the wiki that issue requires a patch to the FreeSWITCH source, check the wiki link above.</div><div><br></div><div>-Steve</div><div><br></div><div><br></div>

<div><br></div><div><br></div><br><div class="gmail_quote">On 3 May 2013 10:13, Steven Ayre <span dir="ltr">&lt;<a href="mailto:steveayre@gmail.com" target="_blank">steveayre@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

<span style="color:rgb(34,34,34);font-size:15px;font-family:Calibri">1.3.0.23 is their software version, not the SIP protocol version. Both will be using SIP v2.</span><div><span style="color:rgb(34,34,34);font-size:15px;font-family:Calibri"><br>


</span></div><div><span style="color:rgb(34,34,34);font-size:15px;font-family:Calibri">Some different devices do have different interpretations of that standard though, which can lead to interop problems between different device types.</span><div>


<font color="#222222" face="Calibri"><span style="font-size:15px"><br></span></font></div><div><font color="#222222" face="Calibri"><span style="font-size:15px">I suggest you contact your carrier to ask why they&#39;re sending 500 - they may be able to advise you what is causing this error.</span></font></div>


<div><font color="#222222" face="Calibri"><span style="font-size:15px"><br></span></font></div><div><font color="#222222" face="Calibri"><span style="font-size:15px">-Steve</span></font></div><div><font color="#222222" face="Calibri"><span style="font-size:15px"><br>


</span></font></div><div><font color="#222222" face="Calibri"><span style="font-size:15px"><br></span></font><br><div class="gmail_quote"><div><div class="h5">On 3 May 2013 09:54, Deon Vermeulen <span dir="ltr">&lt;<a href="mailto:vermeulen.deon@gmail.com" target="_blank">vermeulen.deon@gmail.com</a>&gt;</span> wrote:<br>


</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5">
<div style="font-family:Calibri;font-size:11pt" bgcolor="#FFFFFF" text="#000000">
<div style="font-size:11pt;font-family:Calibri"><span style="font-family:Calibri">Hi All<br><br>Due to time constraints I&#39;m 
posting here for the hope for a quick response.<br><br>I&#39;m currently 
trying to setup a Trunk to our upstream Carrier.<br>The issues we are 
facing is that inbound calls from them are working 100%.<br>Outbound 
calls to them are returned with a 500 error.<br><br>The only immediate 
differences we could pickup was the SIP versions.<br><br>They have a 
Huawei MSOFTX3000 running SIP version 1.3.0.23.<br>I&#39;m running 
freeSWITCH 1.5.1b+git~20130414T025052Z~969eae39d9<br><br>Is there any 
possibility someone could help me figure out what compatibility issues 
between the SIP versions could cause, especially for out bound calls to 
the Carrier?<br><br><br>Thank you very much<br><br><br>Kind Regards<span><font color="#888888"><br>Deon
 Vermeulen<br></font></span></span></div>
</div>

<br></div></div>_________________________________________________________________________<br>
Professional FreeSWITCH Consulting Services:<br>
<a href="mailto:consulting@freeswitch.org" target="_blank">consulting@freeswitch.org</a><br>
<a href="http://www.freeswitchsolutions.com" target="_blank">http://www.freeswitchsolutions.com</a><br>
<br>
FreeSWITCH-powered IP PBX: The CudaTel Communication Server<br>
<a href="http://www.cudatel.com" target="_blank">http://www.cudatel.com</a><br>
<br>
Official FreeSWITCH Sites<br>
<a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
<a href="http://wiki.freeswitch.org" target="_blank">http://wiki.freeswitch.org</a><br>
<a href="http://www.cluecon.com" target="_blank">http://www.cluecon.com</a><br>
<br>
FreeSWITCH-users mailing list<br>
<a href="mailto:FreeSWITCH-users@lists.freeswitch.org" target="_blank">FreeSWITCH-users@lists.freeswitch.org</a><br>
<a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>
UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br>
<a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
<br></blockquote></div><br></div></div>
</blockquote></div><br>