[asterisk-bugs] [JIRA] (ASTERISK-23941) ARI: Attended transfers of channels into Stasis application lose information

[Kinsey Moore (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-23941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=220373#comment-220373 ] 

Kinsey Moore commented on ASTERISK-23941:
-----------------------------------------

The solution to this comes in three parts:
* new attended transfer message subtype: https://reviewboard.asterisk.org/r/3728/
* functionality required to queue prestart commands for Stasis(): https://reviewboard.asterisk.org/r/3729/
* functionality to intercept channels entering stasis-controlled bridges and re-route them through Stasis() into the appropriate bridge and under the control of the channel they're replacing: https://reviewboard.asterisk.org/r/3731/

The test updates can be found here: https://reviewboard.asterisk.org/r/3732/

> ARI: Attended transfers of channels into Stasis application lose information
> ----------------------------------------------------------------------------
>
>                 Key: ASTERISK-23941
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23941
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/Bridging, Resources/res_ari
>            Reporter: Matt Jordan
>            Assignee: Kinsey Moore
>
> When performing a SIP level attended transfer into Stasis, insufficient information is presented for an external application to adequately handle what just occurred.
> For example: when a PJSIP channel enters into a Stasis application as the second leg of an attended transfer, when the attended transfer completes, a masquerade and/or a bridge swap may be performed to replace the existing PJSIP channel. Because a new channel is coming into a Stasis application, the following must occur:
> # A StasisStart event must be emitted for the channel entering into the Stasis application.
> # The attended transfer event must inform the ARI client of the channels involved, including the channel taking the place of the channel leaving the application.
> # A StasisEnd event must be emitted for the channel leaving the Stasis application.



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