[asterisk-bugs] [JIRA] (ASTERISK-21411) Far end Re-invites Asterisk without SDP (ACKs with SDP) - Asterisk does not modify port of RTP stream - Ignores ACK due to no SDP version change

Olivier Lambert (JIRA) noreply at issues.asterisk.org
Mon Apr 22 03:22:01 CDT 2013


    [ https://issues.asterisk.org/jira/browse/ASTERISK-21411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=205516#comment-205516 ] 

Olivier Lambert commented on ASTERISK-21411:
--------------------------------------------

Thank you guys! I will try what you suggested and I will keep you posted.

                
> Far end Re-invites Asterisk without SDP (ACKs with SDP) - Asterisk does not modify port of RTP stream - Ignores ACK due to no SDP version change
> ------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-21411
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21411
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 1.8.21.0, 11.2.0
>         Environment: CentOS release 5.9 (Final)
>            Reporter: Olivier Lambert
>            Assignee: Olivier Lambert
>         Attachments: issue21411.zip
>
>
> A re-invite without SDP is causing the voice to be established in one way. The exact same test done on asterisk 1.4.38 is not giving the issue, creating a two ways audio as it should. Pcaps of the two tests are available at http://www.misterlambert.net/pcaps.zip. Reinvite is located at frame 5127 for the 1.4 test while it is located at frame 7897 for the 1.8. The one way audio is caused by the missing RTP flow visible at frame 5166.

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