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<p style="margin:0in;font-family:Calibri;font-size:11pt"><span style="font-size:11pt">Hi,</span><br></p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">I have a &quot;NAT
situation&quot;:).</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">My FS machine is not
behind NAT, but one of the softphones (Twinkle) is. It registers correctly, but
after viewing registrations on the profile I do not see any NAT-related info in
Contact header.</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">I cannot dial to
this extension, I get this after ~30sec:</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">-ERR
RECOVERY_ON_TIMER_EXPIRE</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt"> </p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">The interesting
thing is that when I execute this command:</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">acl &lt;external IP
of network with Twinkle&gt; localnet.auto</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">it returns true.</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">I tried removing
this line from profile configuration, but it did not change anything:</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">&lt;param
name=&quot;local-network-acl&quot; value=&quot;localnet.auto&quot;/&gt;.</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt"> </p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">I also defined my
own ACL</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">    &lt;list name=&quot;nat.twinkle&quot;
default=&quot;allow&quot;&gt;</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">      &lt;node type=&quot;allow&quot;
cidr=&quot;&lt;IP&gt;/32&quot;/&gt;</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">    &lt;/list&gt;</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">and applied it to
the profile:</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt"> &lt;param name=&quot;apply-nat-acl&quot;
value=&quot;nat.twinkle&quot;/&gt;</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">Still - no luck.</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt"> </p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">I even tried to
enable aggressive-nat-detection even though it&#39;s not recommended, but I did not
change anything.</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt"> </p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">I restarted FS after
each configuration modification, then flushed all registrations on the profile
and re-registered my softphones.</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt"> </p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">How else can I try
to solve this issue?</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt"> </p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">And one more
question: is there any way to view the autogenerated ACLs localnet.auto and
nat.auto ?</p>

<p style="margin:0in;font-family:Calibri;font-size:11pt"> </p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">Best regards, </p>

<p style="margin:0in;font-family:Calibri;font-size:11pt">Maciej Aniserowicz</p>

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