[asterisk-bugs] [JIRA] (ASTERISK-25265) DTLS Failure when calling WebRTC-peer on Firefox 39

[Mark Duncan (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-25265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=227028#comment-227028 ] 

Mark Duncan commented on ASTERISK-25265:
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I can confirm this in asterisk-13.1-cert2 (with the small patch to fix the DTLS handshake on newer OpenSSL versions manually applied).  I have tried with Firefox and Firefox Developer Edition and both show the exact same issue.  Chrome works as expected. 

> DTLS Failure when calling WebRTC-peer on Firefox 39 
> ----------------------------------------------------
>
>                 Key: ASTERISK-25265
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25265
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>    Affects Versions: 13.1.0
>            Reporter: Stefan Engström
>
> This issue has already been reported by http://forums.asterisk.org/viewtopic.php?f=1&t=95417
> Whenever calling a webrtc peer which uses firefox version 39 (or 40 beta), I get  error messages like "res_rtp_asterisk.c: DTLS failure occurred on RTP instance '0x7fefe800e9e8' due to reason 'no shared cipher', terminating" after the SDP exchange, and the call terminates.
> Hopefully you can reproduce it yourself on the latest version of asterisk by using
> http://www.sipml5.org/call.htm (I'm not sure if asterisk is doing anything wrong or just firefox/sipml5)
> I will provide more info if it's not easily reproducable.



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