[asterisk-bugs] [JIRA] (ASTERISK-29438) TURN Server never added to ICE candidate list.

[Chris (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-29438?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris updated ASTERISK-29438:
-----------------------------

    Comment: was deleted

(was: Maybe I was on the wrong track with the assumed root-cause.
In any case, TURN is not working from Asterisk

The credentials and server url's are correct with other clients in the same network setup.
We verified with https://webrtc.github.io/samples/src/content/peerconnection/trickle-ice/ and our AmSip based client. 

In the meantime, we are looking into Asterisk/pjsip source to better understand why things go wrong on the Asterisk side.
But for the time being no clue.



)

> TURN Server never added to ICE candidate list.
> ----------------------------------------------
>
>                 Key: ASTERISK-29438
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29438
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: pjproject/pjsip, Resources/res_rtp_asterisk
>    Affects Versions: 16.17.0
>         Environment: Network topology requiring TURN
>  using PJSIP
>            Reporter: Chris
>            Assignee: Unassigned
>              Labels: webrtc
>         Attachments: no-turn-candidates.zip
>
>
> The configured TURN server is never added to the ICE candidate list offered via SIP/SDP
> The assumed reason is that, after receiving status 400 (Bad request) Asterisk stops sending request and shuts down the 
> According to the RFC, a status 400 does not necessary means the procedure has to stop.
> See: https://tools.ietf.org/id/draft-ietf-tram-stunbis-13.html#section.bid-down
> NOTE : The PCAP contains 4 requests,  these are for audio, video and their 2 RTCP counterparts.
> But each of those 4 are only tried once.



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