[Freeswitch-users] Faxing transcoding issues.

[Brian West]

You also do NOT want pass thru set if you're doing this.

On Thu, Aug 4, 2016 at 4:02 AM, Andrew Cassidy <
andrew at cassidywebservices.co.uk> wrote:

> Hi all,
>
> Just realised the server I'm having issues with is an old wheezy server
> running 1.4.26. I will test with latest and report back.
>
> Kind regards,
>
> On 4 August 2016 at 09:55, 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>
>>
>
>
>
> --
> *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>
>
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-- 

*Brian West*
brian at freeswitch.org


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