[Freeswitch-users] eliminating fax header line

[Bruce Lefko]

Hi Steve.

I checked into the legality of removing the header line, and it turns out
this is only a problem for advertisements, which we are not doing.

As far as getting the header removed, I tried doing the following:

originate
{ignore_early_media=true,absolute_codec_string='PCMU,PCMA',fax_enable_t38=true,fax_verbose=true,fax_use_ecm=true,fax_enable_t38_request=true,origination_caller_id_number='A
CALLER ID',origination_caller_id_name='A CALLER ID
NAME',call_timeout=120,fax_ident='a fax
ident',fax_header=}sofia/gateway/outbound/+15555555555
&txFax('/tmp/sample.tiff')

Even if I remove the default headers in spandsp.conf.xml and fax.conf.xml I
still get "SpanDSP Fax Header".  I noticed that this is hardcoded in
"src/mod/applications/mod_spandsp/mod_spandsp.c" line 527.

Am I not passing the null string properly somehow via originate?  I noticed
in my logs that there are many lines for "switch_event.c:1661 Parsing
variable" for my other parameters, but not for my fax_header parameter.

Thanks!



On Thu, May 8, 2014 at 3:16 PM, Bruce Lefko <blefko5361 at gmail.com> wrote:

> I'd like to completely eliminate the header line sent at the top of each
> fax page using spandsp.  i've set fax-header to a null string, but that
> doesn't seem to be removing it, and it defaults back to 'Spandsp fax
> header'.  This seems to be the default in the source code in 1.2.
>
> What do I have to do to eliminate the header line?  Do I have to make
> changes to freeswitch source?
>
> Thanks!
>
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