[asterisk-bugs] [JIRA] (ASTERISK-25467) A11 ICE/DTLS , SDP Signalling change x-post chrome

[Nicole McIntosh (JIRA)]

Nicole McIntosh created ASTERISK-25467:
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             Summary: A11 ICE/DTLS , SDP Signalling change x-post chrome
                 Key: ASTERISK-25467
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25467
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Resources/res_rtp_asterisk
    Affects Versions: 11.19.0
         Environment: Ubuntu 14.04.2 LTS , asterisk version 11.19 updated to trunk, last commit: b4535b0
            Reporter: Nicole McIntosh


There was a change introduced in Commit #  1ad827327a,
(ChangeId:Ib75ea2546f29d6efc3d2d37c58df6986c7bd9b91)

This affected ICE/DTLS SSL behavior. 

The problem appears when comparing ICE negotiation delay, and differences in delay depending on version of chrome, as well as Asterisk version.

Testing with Asterisk 11.19 and latest chrome (Canary M47) there is a significantly longer ICE negotiation delay. 

But, with same chrome on asterisk Before Commit 1ad827327a , no longer delay is present.

(See external chromium issue linked in external issue ID)

One possible solution may be to have Asterisk handle incoming DTLS packets as soon as ICE is connected, even if the signalling is delayed.  

This issue is for the behavior of asterisk when handling the ICE/DTLS handshake and signalling.

reproducable everytime.
To reproduce, compare webrtc asterisk ICE signalling delay between versions of asterisk after the commit(latest version) and Chrome Canary, and previous versions of Asterisk before aforementioned commit and Chrome Canary.




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