[asterisk-bugs] [JIRA] (ASTERISK-30246) pjsip: Allow topology/session refreshes in early media state

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-30246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=260319#comment-260319 ] 

Asterisk Team commented on ASTERISK-30246:
------------------------------------------

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> pjsip: Allow topology/session refreshes in early media state
> ------------------------------------------------------------
>
>                 Key: ASTERISK-30246
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-30246
>             Project: Asterisk
>          Issue Type: New Feature
>      Security Level: None
>          Components: Channels/chan_pjsip, Resources/res_pjsip_session
>    Affects Versions: 20.0.0, 19.6.0, 16.28.0, 18.14.0
>            Reporter: Maximilian Fridrich
>
> When an SDP negotiation has finished during an initial INVITE transaction and the SDP was sent using a reliable 1xx response, session modifications are allowed in the early media state by sending UPDATEs ([RFC 6337|https://datatracker.ietf.org/doc/html/rfc6337] contains many details, especially [section 3.2|https://datatracker.ietf.org/doc/html/rfc6337#section-3.2]).
> Asterisk does not allow this yet, but there are use cases in which session modifications in the early media state are necessary.



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