[asterisk-bugs] [JIRA] (ASTERISK-28448) chan_sip: Sometimes G729 (without annexb=no) is negotiated

[Asterisk Team (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-28448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Asterisk Team updated ASTERISK-28448:
-------------------------------------

    Status: Waiting for Feedback  (was: Waiting for Feedback)

> chan_sip: Sometimes G729 (without annexb=no) is negotiated
> ----------------------------------------------------------
>
>                 Key: ASTERISK-28448
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28448
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/CodecHandling
>    Affects Versions: 16.4.0
>         Environment: asterisk 16.4.0
> Yealink G729 -> asterisk -> Cisco ENSR3.0.6
>            Reporter: jim thom
>            Assignee: Asterisk Team
>            Severity: Minor
>
> I noticed this issue when attempting to pass through G729 from a yealink to an upstream trunk using Cisco ENSR.
> Asterisk was sometimes allowing VAD to be enabled, which is not supported as this is part of G729 ANNEX B. Call was made from yealink to cisco via asterisk. There was no annexb=no being sent. I tried this patch and the problem went away.
> <removed inline patch>



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