<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">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.<div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On May 12, 2017, at 10:46 AM, Joaquin Peral <<a href="mailto:j.peral@airenetworks.es" class="">j.peral@airenetworks.es</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
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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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<pre class="moz-signature" cols="72">external cfg:
<settings>
<param name='dialplan' value='XML'/>
<param name='user-agent-string' value='NP000'/>
<param name='username' value='NP000' />
<param name='ext-sip-ip' value='auto'/>
<param name='ext-rtp-ip' value='auto'/>
<param name='rtp-ip' value='auto'/>
<param name='sip-ip' value='auto'/>
<param name='sip-port' value='5060'/>
<param name='nonce-ttl' value='60'/>
<param name='rtp-timeout-sec' value='300'/>
<param name='rtp-hold-timeout-sec' value='1800'/>
<param name='rtp-timer-name' value='soft'/>
<param name='aggressive-nat-detection' value='True'/>
<param name='NDLB-received-in-nat-reg-contact' value='False'/>
<param name='NDLB-broken-auth-hash' value='False'/>
<param name='enable-timer' value='True'/>
<param name='session-timeout' value='1800'/>
<param name='apply-nat-acl' value='rfc1918'/>
<param name='inbound-codec-prefs' value='PCMA,PCMU,G729'/>
<param name='outbound-codec-prefs' value='PCMA,PCMU,G729'/>
<param name='inbound-codec-negotiation' value='greedy'/>
<param name='disable-transcoding' value='True'/>
<param name='debug' value='0'/>
<param name='rfc2833-pt' value='101'/>
<param name='dtmf-duration' value='100'/>
<param name='disable-register' value='False'/>
<param name='challenge-realm' value='auto_from'/>
<param name='auth-calls' value='True'/>
<param name='log-auth-failures' value='True'/>
<param name='context' value='public'/>
<param name='apply-inbound-acl' value='domains'/>
<!--<param name='inbound-late-negotiation' value='true'/>-->
<param name="pass-rfc2833" value="true"/>
<param name='pass-callee-id' value='true'/>
<param name='manage-presence' value='false'/>
</settings>
--
[Joaquin Peral Cascales]
Departamento de Telefonía
911090048</pre>
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