[asterisk-bugs] [JIRA] (ASTERISK-28871) res_pjsip_session: Unnecessary re-Invite on call answer

[Joshua C. Colp (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-28871?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua C. Colp updated ASTERISK-28871:
--------------------------------------

    Attachment: ASTERISK-28871.diff

Please try the attached patch. This returns the behavior to that of past versions. Improved codec negotiation is occurring for Asterisk 18, and this functionality could be revisited then to be improved.

> res_pjsip_session: Unnecessary re-Invite on call answer
> -------------------------------------------------------
>
>                 Key: ASTERISK-28871
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28871
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip_session
>    Affects Versions: 16.10.0
>            Reporter: Alexei Gradinari
>            Assignee: Unassigned
>            Severity: Minor
>              Labels: patch
>         Attachments: ast16-10-sip-flow.png, ast_16_10_test540.txt, ast16-9-sip-flow.png, ast16_9_test540.txt, ASTERISK-28871.diff, extensions.conf, pjsip.conf
>
>
> Asterisk version 16.10
> Asterisk sends INVITE to PJSIP endpoint with the list of 3 codecs.
> Endpoint answers with one codec.
> Asterisk immediately sends re-Invite to endpoint with the list of 3 codecs.
> Endpoint replies 200 OK
> RTP traffic.
> Asterisk version 16.9
> Asterisk sends INVITE to PJSIP endpoint with the list of 3 codecs.
> Endpoint answers with one codec.
> RTP traffic.
> The re-Invite is unwanted in this case.



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