[asterisk-bugs] [JIRA] (ASTERISK-25849) chan_pjsip: transfers with direct media sometimes drops audio

[Kevin Harwell (JIRA)]

Kevin Harwell created ASTERISK-25849:
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             Summary: chan_pjsip: transfers with direct media sometimes drops audio
                 Key: ASTERISK-25849
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25849
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_pjsip
    Affects Versions: 13.7.2
            Reporter: Kevin Harwell
            Severity: Minor


Jenkins found this problem while running the tests/channels/pjsip/transfers/attended_transfer/nominal/callee_local_direct_media testsuite test, so yay for tests! Also see the test for scenario specifics.

During a transfer involving direct media a race occurs when the transferer channel is swapped out, initiating rtp changes/updates, and the subsequent reinvites. If the rtp updates happen too quickly then the reinvite(s) can possibly have the wrong address and port information (in this case it contains the remote data when it should contain the local asterisk data) in the sdp.



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