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    <p>FS assumes that the user is doing NAT.<br>
      <br>
      Solved with <br>
    </p>
    <pre class="moz-signature" cols="72">&lt;param name='aggressive-nat-detection' value='False'/&gt;</pre>
    in a new profile.<br>
    <br>
    Thanks!<br>
    <br>
    <div class="moz-cite-prefix">On 15/05/17 17:11, Michael Jerris
      wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:DD308F31-62C9-40C9-959B-D7DDD9F15474@jerris.com">
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      I’d have to see the sip trace to answer this better…   From the
      ladder diagram, i don’t see the ack looking any difference than
      the invite.  The BYE is sent I assume to exactly where the contact
      tells us to send it to.
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          <blockquote type="cite" class="">
            <div class="">On May 12, 2017, at 10:46 AM, Joaquin Peral
              &lt;<a href="mailto:j.peral@airenetworks.es" class=""
                moz-do-not-send="true">j.peral@airenetworks.es</a>&gt;
              wrote:</div>
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              <div text="#000000" bgcolor="#FFFFFF" class=""> Hi all, I
                have a special case, a user with a Cisco system. He uses
                the standard 5060 port but uses NAT. Everything is
                correct until send the ACK signaling and the port
                changes. Any ideas?
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                      src="http://i.imgur.com/RsEkczIl.png"
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                  <pre class="moz-signature" cols="72">external cfg:
&lt;settings&gt;
        &lt;param name='dialplan' value='XML'/&gt;
        &lt;param name='user-agent-string' value='NP000'/&gt;
        &lt;param name='username' value='NP000' /&gt;
        &lt;param name='ext-sip-ip' value='auto'/&gt;
        &lt;param name='ext-rtp-ip' value='auto'/&gt;
        &lt;param name='rtp-ip' value='auto'/&gt;
        &lt;param name='sip-ip' value='auto'/&gt;
        &lt;param name='sip-port' value='5060'/&gt;
        &lt;param name='nonce-ttl' value='60'/&gt;
        &lt;param name='rtp-timeout-sec' value='300'/&gt;
        &lt;param name='rtp-hold-timeout-sec' value='1800'/&gt;
        &lt;param name='rtp-timer-name' value='soft'/&gt;
        &lt;param name='aggressive-nat-detection' value='True'/&gt;
        &lt;param name='NDLB-received-in-nat-reg-contact' value='False'/&gt;

        &lt;param name='NDLB-broken-auth-hash' value='False'/&gt;
        &lt;param name='enable-timer' value='True'/&gt;
        &lt;param name='session-timeout' value='1800'/&gt;
        &lt;param name='apply-nat-acl' value='rfc1918'/&gt;
        &lt;param name='inbound-codec-prefs' value='PCMA,PCMU,G729'/&gt;
        &lt;param name='outbound-codec-prefs' value='PCMA,PCMU,G729'/&gt;
        &lt;param name='inbound-codec-negotiation' value='greedy'/&gt;
        &lt;param name='disable-transcoding' value='True'/&gt;
        &lt;param name='debug' value='0'/&gt;
        &lt;param name='rfc2833-pt' value='101'/&gt;
        &lt;param name='dtmf-duration' value='100'/&gt;
        &lt;param name='disable-register' value='False'/&gt;
        &lt;param name='challenge-realm' value='auto_from'/&gt;
        &lt;param name='auth-calls' value='True'/&gt;
        &lt;param name='log-auth-failures' value='True'/&gt;
        &lt;param name='context' value='public'/&gt;
        &lt;param name='apply-inbound-acl' value='domains'/&gt;
        &lt;!--&lt;param name='inbound-late-negotiation' value='true'/&gt;--&gt;

        &lt;param name="pass-rfc2833" value="true"/&gt;
        &lt;param name='pass-callee-id' value='true'/&gt;
        &lt;param name='manage-presence' value='false'/&gt;
      &lt;/settings&gt;

-- 
[Joaquin Peral Cascales]
Departamento de Telefonía
911090048</pre>
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    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
[Joaquin Peral Cascales]
Departamento de Telefonía
911090048</pre>
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