[Freeswitch-users] Faxing transcoding issues.
mirkobrankovic at gmail.com
Thu Aug 4 13:27:26 MSD 2016
>From my experiance if you send t38 re-invite then FS will expect T38 even
if remote side refuses it.
If you wont to transcode you need to not send the re-invite.
Get the scenario you need form here:
On Thu, Aug 4, 2016 at 10:55 AM, Andrew Cassidy <
andrew at cassidywebservices.co.uk> wrote:
> Good morning all,
> I've been playing with faxing and t38 over the last few days. I use a
> wholesale provider who detects and reinvites for t38, and have implemented
> the same in my systems. Passing t38 through unmodified is not an issue.
> The issue I do have, is in the event that the sender refuses the reinvite,
> I'd like freeswitch to transcode. In theory, this is set up correctly, but
> see this error message repeated over and over and ultimately the fax fails:
> [DEBUG] mod_spandsp_fax.c:1756 sofia/external/xxx at provider.com Error
> decoding UDPTL (172 bytes)
> Every other scenario I have worked through is working fine.
> For reference, the fax-specific dialplan entries:
> <action application="export" data="fax_enable_t38=true"/>
> <action application="export" data="fax_enable_t38_request=true"/>
> <action application="export" data="t38_passthru=true"/>
> <action application="export"
> data="nolocal:sip_execute_on_image=t38_gateway self" />
> <action application="set" data="execute_on_answer=t38_gateway peer" />
> Thanks in advance.
> *Andrew Cassidy BSc (Hons) MBCS SSCA*
> Managing Director
> 03303 880 960 andrew at cassidyweb.co.uk <andrew at cassidywebservices.co.uk>
> www.cassidyweb.co.uk <http://www.cassidywebservices.co.uk>
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> Official FreeSWITCH Sites
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
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