[asterisk-bugs] [JIRA] (ASTERISK-28871) PJSIP: 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:
--------------------------------------

    Assignee: Alexei Gradinari
      Status: Waiting for Feedback  (was: Triage)

What is the actual configuration for both sides, and what is the SIP traces for both sides?

> PJSIP: 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: Alexei Gradinari
>            Severity: Minor
>         Attachments: ast16-10-sip-flow.png, ast16-9-sip-flow.png
>
>
> 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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