[asterisk-bugs] [JIRA] (ASTERISK-26780) PJSIP Registration Fails when transport=transport-udp6

[Peter Sokolov (JIRA)]

Peter Sokolov created ASTERISK-26780:
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             Summary: PJSIP Registration Fails when transport=transport-udp6
                 Key: ASTERISK-26780
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26780
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_pjsip
    Affects Versions: 14.2.1
            Reporter: Peter Sokolov
            Severity: Trivial


Probably related to ASTERISK-26309.

When a section "type=registration" in pjsip.conf contains the line
transport=transport-udp6
registration fails even though the registrar hostname resolves to IPv4 and IPv6 address.

With "transport=transport-udp" registration is successfull to the IPv4 address of the registrar and without the line "transport=" line, registration is successfull to the IPv6 address of the registrar.

Debug messages show that with "transport=transport-udp6", Asterisk will only lookup DNS names of type 1 (A), 33 (SRV) and 35 (NAPTR), but not type 28 (AAAA), while in other two cases (transport-udp and without transport=) it will lookup DNS types 1, 33, 28 and 35.




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