Where &amp; why does the call fail?<br><br>Do you have any log file output?<br><br>-Steve<br><br><br><br><br><div class="gmail_quote">On 28 July 2010 08:25, Daniel Neubert <span dir="ltr">&lt;<a href="mailto:daniel.neubert@solomo.de">daniel.neubert@solomo.de</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Hi,<br>
<br>
we&#39;ve set  up a SIP trunk between Asterisk (used as MediaGateway to<br>
SS7-Network for PSTN access) and Freeswitch.<br>
<br>
Everything works fine except one &quot;little&quot; issue: If there have been no<br>
calls using the SIP trunk it becomes unuseable from Freeswitch side.<br>
<br>
PSTN &lt;- SS7/ISUP -&gt; Asterisk &lt;- SIP Trunk -&gt; Freeswitch &lt;- SIP/RTP -&gt;<br>
VoIP Clients<br>
<br>
If a user tries to originate the call that is routed to one of our<br>
MediaGateways while SIP trunk is &quot;stale&quot;, the call will fail. The trunk<br>
can be made available again by calling in via PSTN -&gt; Asterisk -&gt; SIP-Trunk<br>
<br>
This is our gateway configuration (tried using low values for<br>
expire-seconds, ping and retry-seconds to keep the connection up:<br>
<br>
&lt;gateway name=&quot;voip-int-test&quot;&gt;<br>
&lt;param name=&quot;username&quot; value=&quot;voip-ext-test&quot;/&gt;<br>
&lt;param name=&quot;password&quot; value=&quot;freeswitch&quot;/&gt;<br>
&lt;param name=&quot;proxy&quot; value=&quot;172.31.45.43&quot;/&gt;<br>
&lt;param name=&quot;register&quot; value=&quot;false&quot;/&gt;<br>
&lt;param name=&quot;expire-seconds&quot; value=&quot;15&quot;/&gt;<br>
&lt;param name=&quot;ping&quot; value=&quot;5&quot;/&gt;<br>
&lt;param name=&quot;retry-seconds&quot; value=&quot;5&quot;/&gt;<br>
&lt;param name=&quot;context&quot; value=&quot;default&quot;/&gt;<br>
&lt;param name=&quot;apply-inbound-acl&quot; value=&quot;voip-int-test&quot;/&gt;<br>
&lt;param name=&quot;caller-id-in-from&quot; value=&quot;true&quot;/&gt;<br>
&lt;/gateway&gt;<br>
<br>
<br>
<br>
--<br>
<br>
Best regards / Mit freundlichen Grüßen,<br>
Daniel<br>
<br>
<br>
<br>
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</blockquote></div><br>