[asterisk-bugs] [JIRA] (ASTERISK-20919) Unable to send or receive faxes with Asterisk 11 using res_fax and spandsp-0.0.6 (Tar ball spandsp-20120415)

[Matt Jordan (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-20919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Jordan updated ASTERISK-20919:
-----------------------------------

    Status: Open  (was: Triage)
    
> Unable to send or receive faxes with Asterisk 11 using res_fax and spandsp-0.0.6 (Tar ball spandsp-20120415)
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-20919
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20919
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_fax_spandsp
>    Affects Versions: SVN
>         Environment: Debian Squeeze x86_64
>            Reporter: NITESH BANSAL
>         Attachments: AST_RECEIVER.tar.gz, AST_SENDER.tar.gz, patch_ast_fax_spandsp.patch, run-test
>
>
> Hello,
> I tried to test a basic T38 test case, using res_fax and spandsp.
> I am using 2 Asterisk instances - 1 for sending the fax and other one for receiving the fax.
> I observed that fax is failing. After enabling the debug option in both SendFAX and ReceiveFAX, i noticed that tx_packet_handler function call in SPANDSP is failing. This function calls translates into  t38_tx_packet_handler in res_fax_spandsp. This function is returning -1 if the following IF check isn't true:
> "if (s->details->caps & AST_FAX_TECH_GATEWAY) {"
> This check isn't true when Asterisk isn't running as a gateway and infact acting as an end point.
> I simuated this case using Asterisk test suite framework. I am attached the run_test script.
> In addition, i am attaching the sip.conf,extensions.conf of sending asterisk and sip.conf of the receiving Asterisk.
> On the receiving asterisk, dialplan simply consist of Answer() followed by ReceiveFAX.
> I have also attached the logs of Asterisk on both sides.

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