<div dir="ltr"><div><br></div><div>Thank you for your reply, I will try about <span style="font-family:arial,sans-serif;font-size:14.399999618530273px"> </span><span style="font-family:arial,sans-serif;font-size:14.399999618530273px">fix_nated_contact()</span><span style="font-family:arial,sans-serif;font-size:14.399999618530273px"> problem </span></div>
<div class="gmail_extra"><br><br><div class="gmail_quote">2013/12/13 Daniel-Constantin Mierla <span dir="ltr"><<a href="mailto:miconda@gmail.com" target="_blank">miconda@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
Perhaps you do fix_nated_contact() in k1, which should not be done,
because k1 is not the first hop from ua2.<br>
<br>
Cheers,<br>
Daniel<div><div class="h5"><br>
<br>
<div>On 13/12/13 02:22, dolphin wrote:<br>
</div>
</div></div><blockquote type="cite"><div><div class="h5">
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<div>
<div>hello,</div>
<div><br>
</div>
<div>I’m trying to build two kamailio-3.3.4 server like this:</div>
<div><br>
</div>
<div>ua1 ----> kamailio1(k1)-----> kamailio2(k2)
-----> ua2</div>
<div><br>
</div>
<div>ua1 (5978003 ) is register k1 </div>
<div>ua2 (5001005) is register k2 </div>
<div><br>
</div>
<div>When ua1 callout to ua2 sip process through k1 and k2</div>
<div><br>
</div>
<div>The problem is k2 server ACK not transfer to ua2 and k2
has received ack signals from u1 through k1</div>
<div><br>
</div>
<div>I ngrep sip process for k2 and k2 /var/log/debug </div>
<div><br>
</div>
<div>see the attached File ngrep_k2server.txt, debug_k2 </div>
<div><br>
</div>
<div>1.</div>
<div>First ACK uri have ua2 number
<a>sip:5001005@xxx.xxx.xxx.xxx(k2):5003;ob</a> , is correct !!</div>
<div><br>
</div>
<div>2. Second ack not include 5001005 , again loop itself
; Route:
<a><sip:xxx.xxx.xxx.xxx(k2):5003;lr;did=763.941></a></div>
<div>loose_route Next hop:
'<a>sip:xxx.xxx.xxx.xxx(k2):5003;lr;did=763.941</a>' is loose
router.</div>
<div><br>
</div>
<div>so next hop Not found in usrloc db 5001005 user and
not transfer to ua2 </div>
<div><br>
</div>
<div>How to fix this problem, any suggestions ? </div>
</div>
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<div><br>
</div>
</div>
<br>
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<pre cols="72">--
Daniel-Constantin Mierla - <a href="http://www.asipto.com" target="_blank">http://www.asipto.com</a>
<a href="http://twitter.com/#!/miconda" target="_blank">http://twitter.com/#!/miconda</a> - <a href="http://www.linkedin.com/in/miconda" target="_blank">http://www.linkedin.com/in/miconda</a></pre>
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