[asterisk-bugs] [JIRA] (ASTERISK-24381) res_pjsip_sdp_rtp: Declined media streams are interpreted, leading to erroneous 488 rejections

[Matt Jordan (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-24381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Jordan updated ASTERISK-24381:
-----------------------------------

    Target Release Version/s: 12.7.0

> res_pjsip_sdp_rtp: Declined media streams are interpreted, leading to erroneous 488 rejections
> ----------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-24381
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24381
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip_sdp_rtp
>    Affects Versions: 12.6.0, 13.0.0-beta2
>            Reporter: Matt Jordan
>      Target Release: 12.7.0, 13.0.0-beta3
>
>         Attachments: ASTERISK-24381-13.diff
>
>
> When an INVITE request is received with a declined media stream (either inbound or outbound), Asterisk will incorrectly attempt to process the formats on the media stream. If the format capabilities do not match, an error is returned.
> This causes major issues if the SDP is received on an INVITE request, as Asterisk will send a 488 to a valid inbound INVITE request.
> If we receive an SDP with a rejected media stream, we should simply discard the media stream and move on without subjecting it to further processing.



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