[asterisk-bugs] [JIRA] (ASTERISK-27676) Attended Transfer Music On Hold

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27676?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=242201#comment-242201 ] 

Asterisk Team commented on ASTERISK-27676:
------------------------------------------

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

> Attended Transfer Music On Hold 
> --------------------------------
>
>                 Key: ASTERISK-27676
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27676
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Bridges/bridge_simple
>    Affects Versions: 13.16.0
>         Environment: Linux DECEC 3.10.0-693.2.2.el7.x86_64 #1 SMP Tue Sep 12 22:26:13 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
> CentOS Linux release 7.4.1708 (Core)
>            Reporter: Martin Nyström
>            Severity: Critical
>         Attachments: transfer_moh.log
>
>
> When performing an attended transfer and the transferee target is put into the bridge, music on hold starts playing.
> Transfer Scenario
> A calls B
> B answers A
> B holds A
> B calls C
> C answers B
> B transfer A to C
> MusicOnHold starts for C and A is still on hold
> Unable to replicate, completely random occurrence.
> Looking at the logs you may notice the following
> [2018-02-15 10:12:05] VERBOSE[3169][C-00013ed2] bridge_channel.c: Channel SIP/margareta.brun-00022a38 swapped with SIP/fredrik.bergqvist-00022a2c into 'simple_bridge' basic-bridge <4379d469-5d98-4f37-8483-8ccb8ce35c0e>
> [2018-02-15 10:12:05] VERBOSE[8624][C-00013ed9] bridge_channel.c: Channel SIP/fredrik.bergqvist-00022a37 left 'simple_bridge' basic-bridge <11056989-9a07-44f9-82c5-c7a5944e24f0>
> [2018-02-15 10:12:05] VERBOSE[8627][C-00013ed9] res_musiconhold.c: Started music on hold, class 'default', on channel 'SIP/margareta.brun-00022a38'
> A: foobar_sip_trunk-00022a25
> B: fredrik.bergqvist-00022a37
> C: margareta.brun-00022a38



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