[asterisk-bugs] [JIRA] (ASTERISK-24897) Confbridge dtmf_passthrough is not respected when using menus

[Richard Mudgett (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-24897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=225822#comment-225822 ] 

Richard Mudgett commented on ASTERISK-24897:
--------------------------------------------

I think this is a misinterpretation of the {{dtmf_passthrough}} feature.  Since there are no logs to show the reported problem I cannot say for certain.  ConfBridge will collect digits that partially match a menu item until either no menu item match is possible or a menu item is matched.  If the collected digits cannot match a menu item then the collected digits are passed into the bridge when pass through is enabled.  If the collected digits match a menu item then they are eaten by the menu item as those digits were not meant for the bridge but the menu item.

> Confbridge dtmf_passthrough is not respected when using menus
> -------------------------------------------------------------
>
>                 Key: ASTERISK-24897
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24897
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Bridges/bridge_softmix
>    Affects Versions: 12.8.1, 13.2.0
>            Reporter: Dennis
>            Severity: Minor
>
> If starting a confbridge with dtmf_passthrough=yes and a menu, then dtmf tones are not passed through.
> bridge_handle_dtmf in bridge_channel.c should not free the frame, but just return it always. or alternatively, a warning should be put in log when bridge_channel->features->dtmf_passthrough is true and frame is false in bridge_handle_trip.



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