[Freeswitch-users] eliminating fax header line
Peter Steinbach
lists at telefaks.de
Thu Mar 26 15:11:19 MSK 2015
Just for the records:
With current Freeswitch I could eleminate the Fax header line completely
by patching
/usr/src/freeswitch/src/mod/applications/mod_spandsp/mod_spandsp.c
spandsp_globals.ident = "SpanDSP Fax Ident";
spandsp_globals.header = "SpanDSP Fax Header";
to
spandsp_globals.ident = "";
spandsp_globals.header = "";
Then you can set fax_ident='', fax_header='' in your dialstring and get
an empty header
Diff for this:
diff mod_spandsp.c mod_spandsp.c.org
518,519c518,519
< spandsp_globals.ident = "";
< spandsp_globals.header = "";
---
> spandsp_globals.ident = "SpanDSP Fax Ident";
> spandsp_globals.header = "SpanDSP Fax Header";
Best regards
Peter
On 05/28/14 22:29, Bruce Lefko wrote:
> Hi Michael.
>
> I tried the ' ', but same thing: the parameter does not show up as
> parsed and the harcoded default is what is used.
>
>
>
> On Wed, May 28, 2014 at 2:58 PM, Bruce Lefko <blefko5361 at gmail.com
> <mailto:blefko5361 at gmail.com>> wrote:
>
> 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
> <mailto: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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--
With kind regards
Peter Steinbach
Telefaks Services GmbH
mailto:lists (att) telefaks.de
Internet: www.telefaks.de
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