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

[Joshua C. Colp (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-29438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=254977#comment-254977 ] 

Joshua C. Colp commented on ASTERISK-29438:
-------------------------------------------

The ";" character is the only one I can find according to the code. As for changing things, that would be a substantial behavior change, and I could certainly see it breaking things. As well for chan_sip it may or may not, depending on the configuration options. It uses the same underlying parser and is up to each option to behave differently - it does NOT strip " for everything, and does not treat them as quoted for everything. It is entirely option behavior specific.

> 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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