[asterisk-bugs] [JIRA] (ASTERISK-28691) unknown codec resulting a call dropped

[Sean Bright (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-28691?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Bright closed ASTERISK-28691.
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    Resolution: Duplicate

> unknown codec resulting a call dropped
> --------------------------------------
>
>                 Key: ASTERISK-28691
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28691
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_pjsip
>    Affects Versions: 13.20.0
>            Reporter: Salah Ahmed
>            Assignee: Salah Ahmed
>            Severity: Minor
>
> Hello,
> I am not sure that is a bug or its expected behavior, but I can't find anything else “Bug” as Issue Type. 
> The issue is, if asterisk received any unknown packets different than negotiated, call get disconnected. There have few similar tickets already in Jira. And the most popular solution is using the asymmetric_rtp_codec. But this asymmetric_rtp_codec does not work for a case, if call answered with alaw and a buggy caller endpoint starting media with g729. In this case, if asymmetric_rtp_codec = 0 then asterisk translate this codec and transmit to the next endpoint. If asymmetric_rtp_codec = 1 then all g729 packets are blocked, I think this is the expected behavior for asymmetric_rtp_codec.
> A tiny tweak may fix this scenario without asymmetric_rtp_codec use. Could anyone please verify this change?
> Thanks,
> Salah



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