[asterisk-bugs] [JIRA] (ASTERISK-28261) PJSIP: SDP in 180 Ringing is ignored

[George Joseph (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-28261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

George Joseph updated ASTERISK-28261:
-------------------------------------

    Status: Waiting for Feedback  (was: Open)

Would you be up for submitting your patch yourself at https://gerrit.asterisk.org?  If you think this will be your only contribution then I'm fine with submitting this patch for you.  If you think you may have other contributions, then submitting this one yourself would be the best way to go.

https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process
https://wiki.asterisk.org/wiki/display/AST/Code+Review


> PJSIP: SDP in 180 Ringing is ignored
> ------------------------------------
>
>                 Key: ASTERISK-28261
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28261
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: pjproject/pjsip
>    Affects Versions: 13.24.1
>         Environment: CentOS
>            Reporter: Michael Maier
>            Assignee: Michael Maier
>              Labels: patch, pjsip
>         Attachments: 180-ignored-sdp.pcapng, aor.txt, endpoint.txt, no-sdp-with-180.txt, res_pjsip_session-neu-3.c.diff
>
>
> Given is an outbound call to a callee via asterisk to the ISP. 
> After INVITE, the ISP sends 100 Trying and some time later 180 Ringing *w/* SDP and the header "P-Early-Media: sendonly" (no 183 or any other thing until callee responds). 
> SDP in 180 contains media attribute *sendrecv* (contradicting to the P-Early-Media header).
> Asterisk 13.24.1 sends PRACK to the ISP (w/o SDP) and the 180 to the caller - but SDP is dropped and therefor no early media is possible!



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