[SR-Users] Whats is wrong in this call

[Daniel Grotti]

Hi Ssergey,
the ACK seem OK, but the R-URI does not contain the "sip.instance" 
parameter defined in the 200 OK's Contact. Usually all contact parameter 
should be preserved when constructing the ACK R-URI.
Does your server receive the ACK, but it is not able to forward it back 
to the callee (if yes, do you see any ERROR in the logs) ?
Or it just don't receive the ACK at all?

Daniel





On 05/14/2018 08:39 PM, Sergey Safarov wrote:
> Hello
> I have a call with not passed ACK by Kamailio. http://prntscr.com/jhtobo
> Same behaviour i looked before when SIP endpoint contact string is wrong
> In this call look as contact string correct is correct (packets 7 and 
> 8) and i not understand why ACK (packet 9) not passed to callee.
>
> Could you help me understand this.
>
> PCAP file is create using homer tracer and TCP transport packets is 
> stored as UDP.
> Sergey
>
>
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