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Stale DNS records will be an issue here, if your dynamic IP changes
with each new lease. Then you have devices trying to connect on the
old address, not having yet updated, or missing the most recent
record refresh. This will cause random call drops. Another thing to
consider, is this a free DNS service? If so, I wouldn't count on
infinite resources being available to server lookup requests....<br>
<br>
<div class="moz-cite-prefix">On 30/12/2015 5:24 PM, Sergey Safarov
wrote:<br>
</div>
<blockquote
cite="mid:CAHtxdDdF+0URs9Zo=C3FgCD_e4hgMo8hVg5TqYTMfDZ1_fer+Q@mail.gmail.com"
type="cite">
<p dir="ltr">Capture dns traffic and analyze. <br>
Probable some resolv is wrong or fail.</p>
<br>
<div class="gmail_quote">
<div dir="ltr">On Wed, Dec 30, 2015, 10:13 Rajil Saraswat <<a
moz-do-not-send="true" href="mailto:rajil.s@gmail.com"><a class="moz-txt-link-abbreviated" href="mailto:rajil.s@gmail.com">rajil.s@gmail.com</a></a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">Hello,<br>
<br>
My pbx has a dynamic ip address and i am using the name<br>
<a moz-do-not-send="true" href="http://myhost.dyndns.org"
rel="noreferrer" target="_blank">myhost.dyndns.org</a> for
it. Until now i have had the following settings:<br>
<br>
vars.xml<br>
<X-PRE-PROCESS cmd="set" data="external_rtp_ip=host:<a
moz-do-not-send="true" href="http://myhost.dyndns.org"
rel="noreferrer" target="_blank">myhost.dyndns.org</a>"/><br>
<X-PRE-PROCESS cmd="set" data="external_sip_ip=host:<a
moz-do-not-send="true" href="http://myhost.dyndns.org"
rel="noreferrer" target="_blank">myhost.dyndns.org</a>"/><br>
<br>
Internal profile<br>
<param name="ext-rtp-ip" value="$${external_rtp_ip}"/><br>
<param name="ext-sip-ip" value="$${external_sip_ip}"/><br>
<br>
However, with this I was getting a public ip in the contact
header of<br>
the calls. So i had to change the internal profile to<br>
<param name="ext-rtp-ip"
value="autonat:$${external_rtp_ip}"/><br>
<param name="ext-sip-ip"
value="autonat:$${external_sip_ip}"/><br>
<br>
Unfortunately with the above change the system is unable to
resolve<br>
the dns address and sofia status profile internal' shows<br>
<br>
Ext-SIP-IP host:<a moz-do-not-send="true"
href="http://myhost.dyndns.org" rel="noreferrer"
target="_blank">myhost.dyndns.org</a><br>
<br>
The calls fail randomly because of this. How can i use autonat
with<br>
the dynamic ip address?<br>
<br>
Thanks<br>
Rajil<br>
<br>
PS: If i use the dynamic ip address in the the conf file,
there is no<br>
problem. (<X-PRE-PROCESS cmd="set"<br>
data="external_sip_ip=<a moz-do-not-send="true"
href="http://aa.bb" target="_blank">aa.bb</a>.cc.dd"/>)<br>
<br>
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