<div dir="ltr">
<p class="inbox-inbox-p1"><span class="inbox-inbox-s1">Hello Alex</span></p><p class="inbox-inbox-p1"><span class="inbox-inbox-s1">Contact string from OK response (Fork of Linphone)</span></p><p class="inbox-inbox-p1"><span class="inbox-inbox-s1">Contact: <sip:user_7u9bbhcwxz@96.231.222.110:52303;transport=tcp>;+sip.instance="<urn:uuid:64862a3d-4380-4e21-89db-9e718493a4b1>"</span></p>
<p class="inbox-inbox-p1"><br></p><p class="inbox-inbox-p1">RURI header from FreeSwitch 1.6.20 ACK</p><p class="inbox-inbox-p1">Request-Line: ACK sip:user_7u9bbhcwxz@96.231.222.110:52303;transport=tcp SIP/2.0</p><div><br>Is param ;+sip.instance="<urn:uuid:64862a3d-4380-4e21-89db-9e718493a4b1>" important to loos route message?</div><div><br></div><div>Sergey </div><p class="inbox-inbox-p1"><br></p><div class="gmail_quote"><div dir="ltr">пн, 14 мая 2018 г. в 21:42, Alex Balashov <<a href="mailto:abalashov@evaristesys.com">abalashov@evaristesys.com</a>>:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br>
<br>
There are UAs and gateways out there which construct the ACK<br>
incorrectly and always set the domain of the RURI to the next hop. <br>
<br>
Does the Request URI of the ACK match the remote Contact in the 200 OK?<br>
<br>
On Mon, May 14, 2018 at 09:39:44PM +0300, Sergey Safarov wrote:<br>
<br>
> Hello<br>
> I have a call with not passed ACK by Kamailio. <a href="http://prntscr.com/jhtobo" rel="noreferrer" target="_blank">http://prntscr.com/jhtobo</a><br>
> Same behaviour i looked before when SIP endpoint contact string is wrong<br>
> In this call look as contact string correct is correct (packets 7 and 8)<br>
> and i not understand why ACK (packet 9) not passed to callee.<br>
> <br>
> Could you help me understand this.<br>
> <br>
> PCAP file is create using homer tracer and TCP transport packets is stored<br>
> as UDP.<br>
> <br>
> Sergey<br>
<br>
<br>
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<br>
-- <br>
Alex Balashov | Principal | Evariste Systems LLC<br>
<br>
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</blockquote></div></div>