[asterisk-bugs] [JIRA] (ASTERISK-24335) Asterisk incorrectly responds 503 to INVITE retransmissions of rejected calls

[Torrey Searle (JIRA)]

Torrey Searle created ASTERISK-24335:
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             Summary: Asterisk incorrectly responds 503 to INVITE retransmissions of rejected calls
                 Key: ASTERISK-24335
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24335
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/General
    Affects Versions: 11.4.0
            Reporter: Torrey Searle
            Severity: Minor


Scenario

INVITE arrives to asterisk, asterisk responds Busy()

If the INVITE is retransmitted, asterisk will generate a 503 in addition to the 486.

Attached is a patch to prevent asterisk from sending the 503 (the 486 is already being reliably transmitted)  as well as an asterisk testsuite test to validate the fix



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