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

[Alexei Gradinari (JIRA)]

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

Alexei Gradinari updated ASTERISK-28871:
----------------------------------------

    Attachment: ast_16_10_test540.txt
                pjsip.conf
                extensions.conf
                ast16_9_test540.txt

ast16_9_test540.txt - SIP trace (asterisk 16.9)
ast16_10_test540.txt - SIP trace (asterisk 16.10)
extensions.conf  - context for test540
pjsip.conf - test540 and test555 endpoints configuration.

Scenario
test540 calls 555
asterisk plays ring tone
asterisk places call to test555



> 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: Alexei Gradinari
>            Severity: Minor
>         Attachments: ast16-10-sip-flow.png, ast_16_10_test540.txt, ast16-9-sip-flow.png, ast16_9_test540.txt, 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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