[asterisk-bugs] [JIRA] (ASTERISK-26948) Fax does not work using T.38 passthrough

[r (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-26948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

r updated ASTERISK-26948:
-------------------------

    Attachment: pjsip_faxing.pcap
                pjsip_faxing_debug.txt

> Fax does not work using T.38 passthrough
> ----------------------------------------
>
>                 Key: ASTERISK-26948
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26948
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/T.38, Resources/res_pjsip_t38
>    Affects Versions: 13.15.0
>         Environment: Debian GNU/Linux 7.8 (wheezy)
>            Reporter: r
>            Assignee: r
>            Severity: Minor
>         Attachments: 164409568_164409598.pcap, 2017-04-20_ASTERISK-JIRA-26948.pcap, 2017-04-20_debug_log_26948.txt, fax_13.15.0_pjsip.pcap, pjsip_faxing_debug.txt, pjsip_faxing.pcap
>
>
> Asterisk 13.15.0 does not  pass through T.38.
> There is successfull SIP negotiation, but T.38 stucks in Asterisk.
> There is 't38pt_udptl=yes,redundancy' for peers.
> IP dump attached.



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