[asterisk-bugs] [JIRA] (ASTERISK-28322) desync in 183 behavior between chan_sip and chan_pjsip

[Torrey Searle (JIRA)]

Torrey Searle created ASTERISK-28322:
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             Summary: desync in 183 behavior between chan_sip and chan_pjsip
                 Key: ASTERISK-28322
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28322
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_pjsip
    Affects Versions: 13.20.0
            Reporter: Torrey Searle


chan_sip is designed to explicitly ignore 183 messages if no sdp is found.  chan_pjsip however will instead forward a 183 with sdp instead.  This results in a lack of a ringback tone for impacted users.

This patch adds a new flag to endpoints allowing the user to have the chan_sip behavior if desired.



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