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<tt>Hi,<br>
start to have a look at the kamailio-lb.log and the
kamailio-proxy.log in order to understand why the call is drop.<br>
As Jon suggested already, it could related to the missing ACK
received from the callee party.<br>
The log (and a SIP trace with sngrep on SPCE) will help you to
understand where could be the problem.<br>
Most likely SPCE does not receive the ACK at all from caller side.<br>
<br>
Cheers,<br>
<br>
</tt>
<pre class="moz-signature" cols="72">--
Daniel Grotti
Head of Customer Support
Sipwise GmbH, Campus 21/Europaring F15
AT-2345 Brunn am Gebirge
Office: +43(0)130120332
Email: <a class="moz-txt-link-abbreviated" href="mailto:dgrotti@sipwise.com">dgrotti@sipwise.com</a>
Website: <a class="moz-txt-link-freetext" href="https://www.sipwise.com">https://www.sipwise.com</a>
</pre>
<div class="moz-cite-prefix">On 08/02/2018 06:22 AM, Alfirus Ahmad
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:em6c72e4bc-0aa8-4cbe-9ca8-883ea346518b@laptop-ly700">
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Hi,
<div><br>
</div>
<div>I installed Sipwise CE at home for testing purpose. I'm using
dynamic IP and my router model is D-link model name: DIR-850L.</div>
<div><br>
</div>
<div>I already disable SIP Application Level Gateway (ALG)
Configuration and set DMZ to the Sipwise server.</div>
<div><br>
</div>
<div>User A inside LAN -- call -- User B inside LAN = Fine</div>
<div>User A outside LAN -- call -- User B inside LAN = 32 sec drop
& can't do video call</div>
<div>User A outside LAN -- call -- User B outside LAN = 32 sec
drop & can't do video call</div>
<div><br>
</div>
<div>Is there a solution? If need to change router, what model i
should use? I read setting STUN server can overcome the problem
and how to do that in sipwise?</div>
<div><br>
</div>
<div>Thanks,</div>
<div>Alfirus Ahmad</div>
<div><br>
</div>
<div><br>
</div>
<div id="DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
<table style="border-top: 1px solid #D3D4DE;">
<tbody>
<tr>
<td style="width: 55px; padding-top: 13px;"><a
href="http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient"
target="_blank" moz-do-not-send="true"><img
src="https://ipmcdn.avast.com/images/icons/icon-envelope-tick-green-avg-v1.png"
alt="" style="width: 46px; height: 29px;"
moz-do-not-send="true" height="29" width="46"></a></td>
<td style="width: 470px; padding-top: 12px; color:
#41424e; font-size: 13px; font-family: Arial, Helvetica,
sans-serif; line-height: 18px;">Virus-free. <a
href="http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient"
target="_blank" style="color: #4453ea;"
moz-do-not-send="true">www.avg.com</a> </td>
</tr>
</tbody>
</table>
<a href="#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2" width="1"
height="1" moz-do-not-send="true"> </a></div>
<br>
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<br>
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