[asterisk-bugs] [JIRA] (ASTERISK-28452) <sess-version> of SDP is not incremented though SDP is changed

[Michael Maier (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-28452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Maier updated ASTERISK-28452:
-------------------------------------

    Attachment: wrong-SDP-sess-version.txt

SIP packages as shown by asterisk. Please take care of the SDP <sess-version> in the initial INVITE and the 200 OK as answer to the reInvite.

> <sess-version> of SDP is not incremented though SDP is changed
> --------------------------------------------------------------
>
>                 Key: ASTERISK-28452
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28452
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip_sdp_rtp
>    Affects Versions: 16.3.0
>         Environment: CentOS 7
>            Reporter: Michael Maier
>         Attachments: wrong-SDP-sess-version.txt
>
>
> During late / delayed offer as part of a reInivte during an outbound call, the SDP sent to the provider in the 200 OK is changed compared to the initial INVITE - but the <sess-version> isn't incremented. This is against RFC6337, 5.2.5. Subsequent Offers and Answers.
> See the attached Trace!



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