[OpenSER-Users] CANCEL generated by openser after SIP/SDP Status: 200 OK

[Klaus Darilion]

Hi! a full ngrep trace would be helpfull

"ngrep -t -d any -p "" port 5060"

What looks strange at first sight that there is a CANCEL after the 200 OK.

regards
klaus

Jan ONDREJ (SAL) schrieb:
> Hello,
> 
>   I have problems calling from my phones connected to openser to grandstream
> phones on another university to ser. Problem is, that my openser generates
> a "CANCEL" SIP packet sent to grandstream phone, but no CANCEL received
> from my phone. Wireshark shows something like this:
> 
> 1189587144.843962 158.195.15.100 -> 158.197.16.77 SIP/SDP Status: 200 OK,
> with session description
> 1189587144.845528 158.197.16.77 -> 158.195.15.100 SIP Request: CANCEL
> sip:+421xxxx44903 at domain.sk
> 1189587144.853654 158.195.15.100 -> 158.197.16.77 SIP Status: 200 canceling
> 
> Communication before is OK. 158.197.16.77 is my openser server and
> 158.195.15.100 is peers phone.
> 
> Any idea, why openser can generate this packet? Can openser generate a
> SIP packet not received from client?
> 
> Calling from my phone to another phone on same university works well.
> 
> Thank you.
> 
> 				SAL
> 
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