[asterisk-bugs] [JIRA] (ASTERISK-26841) Call not cancelled after receiving a 422 response

[Jean Aunis - Prescom (JIRA)]

Jean Aunis - Prescom created ASTERISK-26841:
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             Summary: Call not cancelled after receiving a 422 response
                 Key: ASTERISK-26841
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26841
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/General
    Affects Versions: 14.3.0, 13.7.2
         Environment: Centos 7
            Reporter: Jean Aunis - Prescom


When using RFC 4028 with chan_sip, an INVITE from Asterisk may be replied with 422, in order to negotiate session timers.
When the 422 is received, if Asterisk hangs up the channel before a final response (200 OK or other) is received, no CANCEL request is sent.

Detailed steps to reproduce :
- Given SIP Session timers are enabled
- Given Asterisk does a Dial() to an RFC 4028-compliant endpoint
- Given Asterisk receives a 422 response and Asterisk replies to it
- Given Asterisk receives a 100/180 response
- When Asterisk hangs up the channel (before it has been answered with a 200 OK)
- Then Asterisk does not send a CANCEL request

Expected : Asterisk sends a CANCEL request

I am going to submit a fix on Gerrit.



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