[asterisk-bugs] [JIRA] (ASTERISK-26396) HANGUPCAUSE return the wrong code when dialed channel answer.

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=232369#comment-232369 ] 

Asterisk Team commented on ASTERISK-26396:
------------------------------------------

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].

> HANGUPCAUSE return the wrong code when dialed channel answer.
> -------------------------------------------------------------
>
>                 Key: ASTERISK-26396
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26396
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_pjsip
>    Affects Versions: 13.8.0
>         Environment: CentOS6.5 X64
>            Reporter: Aaron An
>            Severity: Minor
>
> A dial into asterisk and run in dialplan. The dialplan execute Dial() to dial B, and B answer the call, then ${HANGUPCAUSE(${CHANNEL_B},tech)} shows the result of "SIP 183 Session Progress". it should be "SIP 200 Ok".
> look at the source code channels/chan_pjsip.c function chan_pjsip_incoming_response(). In this function first call ast_queue_control(session->channel, AST_CONTROL_ANSWER) and then call ast_queue_control_data(session->channel, AST_CONTROL_PVT_CAUSE_CODE, cause_code, data_size).
> look at the source code apps/app_dial.c function wait_for_answer. In this funciton if frame (frame_type=AST_FRAME_CONTROL && subclass=AST_CONTROL_ANSWER) first comes, the line 
> `while ((*to = ast_remaining_ms(start, orig)) && !peer) {`
> will terminate the while and there is no chance to execute 
> `    case AST_CONTROL_PVT_CAUSE_CODE:
>                     ast_indicate_data(in, AST_CONTROL_PVT_CAUSE_CODE, f->data.ptr, f->datalen);`



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