[asterisk-bugs] [JIRA] Commented: (ASTERISK-20288) PhonerLite reports RTP read error when ICE Support Enabled

[Michael L. Young (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-20288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=196148#comment-196148 ] 

Michael L. Young commented on ASTERISK-20288:
---------------------------------------------

You are correct... sorry for the wrong terminology.  I am working on getting a packet trace for you and hopefully Joern does too.

One thing I am noticing, if there are no remote candidates, should we be bothering with sending local candidates?  I have been playing around with destroying the ICE session, which "fixes" it but it doesn't feel right seeing Asterisk send ice candidates when we know that the other end doesn't have any candidates.  Or perhaps I am still not quite understanding how it should work?  I am not that familiar with ICE and have been trying to understand it better while gathering data for this issue.

> PhonerLite reports RTP read error when ICE Support Enabled
> ----------------------------------------------------------
>
>                 Key: ASTERISK-20288
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20288
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_rtp_asterisk
>    Affects Versions: SVN, 11.0.0-beta1
>         Environment: Linux Ubuntu
>            Reporter: Joern Krebs
>            Severity: Minor
>         Attachments: debug, debug
>
>
> O.K. this is a bit hard to explain for me:
> If I use PhonerLite (and I can only replicate this issue with PhonerLite, but there it happens 100% of the time!) to call asterisk (any number, and any setup, nat, no-nat, etc.) I get the warning:
> RTP Read error: Success. Hanging up
> The "Success" part of the error should be the error message. BUT Success indicates, that there actually is no error.
> So what I did was changing the code and checking if the errno is 0, ignore that line ... and it works.
> I do not get this error with the SVN for Asterisk 10, just with SVN Asterisk 11.
> So basically under some circumstances (I cannot replicate the real issue, ... even the debug log doesn't show any issues at all!)
> the errno is set to 0, instead of whatever it should be...
> Can please someone have a look at this.
> (I would be open to test anything, although my dev capabilities are limited.)
> It really is a show-stopper to me! :-(

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