[asterisk-bugs] [JIRA] (ASTERISK-20606) Wrong confbridge behavior when participants enter simultaneously

[Clint Davis (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-20606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=200746#comment-200746 ] 

Clint Davis commented on ASTERISK-20606:
----------------------------------------

I have been testing this on: 11.2.0-rc1 and can easily still recreate this issue.

    -- Executing [1 at Conf-App:70] ConfBridge("SIP/voxbone.com-0000004a", "3440,,,admin_menu") in new stack
    -- Started music on hold, class 'default', on SIP/voxbone.com-0000004a
    -- Stopped music on hold on SIP/voxbone.com-0000004a
    -- <SIP/voxbone.com-0000004a> Playing 'conf-placeintoconf.slin' (language 'en_AU_female')
    -- Executing [1 at Conf-App:70] ConfBridge("SIP/voxbone.com-0000004b", "3440,,,admin_menu") in new stack
    -- <SIP/voxbone.com-0000004b> Playing 'conf-onlyone.slin' (language 'en_AU_female')
    -- <SIP/voxbone.com-0000004a> Playing 'confbridge-join.slin' (language 'en_AU_female')
    -- <Bridge/0x7f099803b1b8-input> Playing 'confbridge-join.slin' (language 'en')
    -- Started music on hold, class 'default', on SIP/voxbone.com-0000004a
    -- <SIP/voxbone.com-0000004b> Playing 'confbridge-join.slin' (language 'en_AU_female')
    -- <Bridge/0x7f099803b1b8-input> Playing 'confbridge-join.slin' (language 'en')

Results in:

one call goes to "You are the first ..", hear some beeps for the join tones, then goes to MOH.
second joins normally, also hear join tones (two of them) but can not hear the first caller as on MOH.
                
> Wrong confbridge behavior when participants enter simultaneously
> ----------------------------------------------------------------
>
>                 Key: ASTERISK-20606
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20606
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_confbridge
>    Affects Versions: 10.9.0, 11.0.0-beta1, 11.0.0-beta2
>            Reporter: Eugenia Belova
>            Assignee: Richard Mudgett
>            Severity: Critical
>         Attachments: jira_asterisk_20606_v10.patch, new_simuljoin.diff
>
>
> We test confbridge and detected next situations
> The first one is when participants enter simultaneously into not existent conference. Moh plays in one of the channels. We detected this behavior in 11.0.0-rc1/2 versions.
> The second one is when there is a participant in the conference (he is listening to the moh) and two other participants enter the same conference simultaneously. The first participant continues to listen to the moh. We detected this behavior in 10.9.0 version.

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