[asterisk-bugs] [JIRA] (ASTERISK-27936) res_pjsip_session doesn't update media when a 200 comes in with a different port than a 183

[George Joseph (JIRA)]

George Joseph created ASTERISK-27936:
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             Summary: res_pjsip_session doesn't update media when a 200 comes in with a different port than a 183
                 Key: ASTERISK-27936
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27936
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Resources/res_pjsip_session
    Affects Versions: 15.4.0, 13.21.0
            Reporter: George Joseph
            Severity: Minor


Some UASs provide custom ringback or other early media on a dedicated port.  They send a 183 progress message with an SDP answer that has the early media port as the audio port.  When the call is connected, they then send back a 200 OK also with an SDP that now has the final media port as the audio port.

res_pjsip_session doesn't get notified of the updated media because pjproject o nly notifies Asterisk if the To tag is different on the 200 than on the 183 (forked INVITE).




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