<p dir="ltr">I beleive you have to engage NAT corrections in reply route for 200OK. <br>
I havent seen your SIP trace but if im Comtaact header the IP is of UAS and it goes to the caller side ACK will get directly to that IP. </p>
<p dir="ltr">Just my guess. Need more info from you. </p>
<p dir="ltr">Regards,<br>
Sammy</p>
<div class="gmail_quote">On Sep 2, 2015 10:24 AM, "Hamid Hashmi" <<a href="mailto:hamid2kviii@hotmail.com">hamid2kviii@hotmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr"><div>ACK is not receiving on Proxy, It directly goes to UAS and get in loop at Proxy before relayed to bob. Can you explain why ACK is going directly to UAS while all other responses going to proxy?</div><div><br></div><div><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> Alice Proxy UAS Bob</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | | |</pre> | INVITE | | |
|--------------->| INVITE | |
| 100 |--------------->| |
|<---------------| INVITE | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | |<---------------| |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | INVITE |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | |-------------------------------->|</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | | |
| | 180 |
| |<--------------------------------|</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | 180 | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | |--------------->| |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | 180 | |
| 180 |<---------------| |
|<---------------| | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | 200 |
| |<--------------------------------|</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | 200 | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | |--------------->| |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | | |</pre> | | 200 | |
| |<---------------| |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | 200 | | |</pre> |<---------------| | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | | |</pre> | ACK | |
|-------------------------------->| |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | ACK | |
| |<---------------| |
| | | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | ACK | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | ACK | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | | | |</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> | ACK | |</pre> . . . .</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> . . . .</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"> . . . .</pre>
</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px"><br></pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px">Regards</pre><pre style="font-size:13.3333330154419px;margin-top:0px;margin-bottom:0px">Hamid R. Hashmi</pre></div> </div></div>
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