[SR-Users] Blind Transfer WS Error

[Daniel-Constantin Mierla]

Hello,

not sure I got it, so to clarify: the problem is made by the 100 Trying
arriving at the endpoint after 180 Ringing?

Cheers,
Daniel

On 07.02.18 14:08, Matteo Campana wrote:
>
> Dear Kamailians,
>
> does anyone have any idea on the issue below?
>
> Alessio told me that is always reproducible, and he can also provide
> captures and more logs. 
>
>
> Thanks in advance!
>
> Matteo 
>
>
>
>
> *From: *sr-users <sr-users-bounces at lists.kamailio.org
> <mailto:sr-users-bounces at lists.kamailio.org>> on behalf of Alessio
> Miranda <smirolandia at gmail.com <mailto:smirolandia at gmail.com>>
> *Reply-To: *"Kamailio (SER) - Users Mailing List"
> <sr-users at lists.kamailio.org <mailto:sr-users at lists.kamailio.org>>
> *Date: *Tuesday, 16 January 2018 at 14:18
> *To: *"sr-users at lists.kamailio.org
> <mailto:sr-users at lists.kamailio.org>" <sr-users at lists.kamailio.org
> <mailto:sr-users at lists.kamailio.org>>
> *Subject: *[SR-Users] Blind Transfer WS Error
>
>  
>
> Hi,
>
>  
>
> I have a problem with the blind transfer via WebSocket,
>
> debugging from the browser we see that in some cases when the REFER is 
>
> done and the sip message "202 Accepted" arrives, 
>
> the message "180 Ringing" arrives first and then the "100 Trying" 
>
> and the transfer goes in error with "500 JsSIP Internal Error"
>
>  
>
> I have an architecture with Kamailio in frontend and asterisk in backend 
>
> on the same network, the sip dialogue between FE and BE is in SIP / UDP.
>
> The WebRTC client connects to WebSocket at Kamailio's public address.
>
>  
>
> We have verified that the sip messages exchanged between kamailio and 
>
> asterisk are always correct.
>
>  
>
> Kamailio Ver. 4.4.4
>
> Asterisk Ver. 13.18.3
>
> PJSIP Ver. 2.6
>
> JSSIP Ver. 3.2.2
>
> Thanks
> Alessio
>
>
>
>
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
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-- 
Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - March 5-7, 2018, Berlin - www.asipto.com
Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com

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