[asterisk-bugs] [JIRA] (ASTERISK-28153) [patch] chan_sip: fix Reason-Phrase for 603 Response

[Frederic LE FOLL (JIRA)]

Frederic LE FOLL created ASTERISK-28153:
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             Summary: [patch] chan_sip: fix Reason-Phrase for 603 Response
                 Key: ASTERISK-28153
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28153
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/General
    Affects Versions: 13.13.0
            Reporter: Frederic LE FOLL
            Severity: Trivial


While RFC3261 specifies defaut Reason-Pḧrase "Decline" for Response 603 (see https://tools.ietf.org/html/rfc3261#section-21.6.2 "603 Decline"), chan_sip generates "603 Declined".
This most probably affects all versions of Asterisk, starting with the introduction of "603 Declined" as default value for internal cause to SIP Response conversion.

Since RFC3261 says "603 Decline", and PJSIP uses default Reason-Phrase "Decline" [see pjproject-2.8/pjsip/src/pjsip/sip_msg.c: pj_strset2( &status_phrase[603], "Decline");], I suggest than chan_sip also uses "603 Decline" instead of "603 Declined".

I will propose a fix through Gerrit.



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