asterisk users - Dec 2016 - Asterisk Fax Receive - how to get the remoteheader?

Hi,

I am using asterisk 11.8 in combination with spandsp to send and receive 
T38 Faxes. All works fine, but I do not know
how to get the remoteheader from the fax I receive.

When I send a fax, there are Faxopts to set the localstationid and the 
headerinfo, but for receiving, there seems to only exist
the Faxopts remotestationid

but for sure on any fax I receive there is a remoteheaderinfo besides 
the remotestationid... it is on the tiff-file, but I need this
info in a channel-variable...

Does anybody know how to get the remoteheaderinfo for a received fax?

thanks

yves

The list of options available are listed here 
https://wiki.asterisk.org/wiki/display/AST/Asterisk+11+Function_FAXOPT

It doesn't appear that a received header is available unless it is 
written into the 'headerinfo' variable after it is received, I
haven't
checked for this.

 From my days working with fax machines, the header could be inserted in 
the line the TSI is on or in the image being transmitted, if you receive 
a fax that has been sent to you with the latter set, then the 
'headerinfo' will not be of any use. Perhaps someone with more knowledge
may be able to explain this better.

A quick Google search for 'fax header outside of tsi' will provide a 
list of manuals, here's one - 
http://manuals.konicaminolta.eu/bizhub-C554-C454-C364-C284-C224/EN/contents/sh3_378.html#qitem13


Expand the line for


        To specify the position of Header Position printed on a sent fax
        ([Header Position])

Larry.

On 18/12/2016 4:30 AM, Yves wrote:
> Hi,
>
> I am using asterisk 11.8 in combination with spandsp to send and 
> receive T38 Faxes. All works fine, but I do not know
> how to get the remoteheader from the fax I receive.
>
> When I send a fax, there are Faxopts to set the localstationid and the 
> headerinfo, but for receiving, there seems to only exist
> the Faxopts remotestationid
>
> but for sure on any fax I receive there is a remoteheaderinfo besides 
> the remotestationid... it is on the tiff-file, but I need this
> info in a channel-variable...
>
> Does anybody know how to get the remoteheaderinfo for a received fax?
>
> thanks
>
> yves
>
>
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Hi,

thanks for your answer. Unfortunately this is, what I already know. I 
was wondering, why it is possible to set ID and Header for an outgoing 
fax (which will then in turn
be inserted via asterisk on top of the transferred "image") , while it
seems to not be possible to get the Header from a received fax (only the 
id), although it is present in the faxdocument.
The ID is also present in the faxdocument and there does a 
Faxopt(remotestationid) exist... so I thought, this info must be 
transferred not only binary within the "image", but
also within the "meta-data" / protocol-data of the fax (within the 
TSI).... otherwise asterisk must do some kind of ocr to get the ID, what 
it definitely does not...

btw... when using sendfax, asterisk inserts the date, the id, the header 
and the pagenum on top of each faxpage... someone knows how to modify 
some settings like font, position, and so on?

thanks,
yves


Am 18.12.2016 um 00:02 schrieb Larry Moore:
> The list of options available are listed here 
> https://wiki.asterisk.org/wiki/display/AST/Asterisk+11+Function_FAXOPT
>
> It doesn't appear that a received header is available unless it is 
> written into the 'headerinfo' variable after it is received, I
haven't
> checked for this.
>
> From my days working with fax machines, the header could be inserted 
> in the line the TSI is on or in the image being transmitted, if you 
> receive a fax that has been sent to you with the latter set, then the 
> 'headerinfo' will not be of any use. Perhaps someone with more 
> knowledge may be able to explain this better.
>
> A quick Google search for 'fax header outside of tsi' will provide
a
> list of manuals, here's one - 
>
http://manuals.konicaminolta.eu/bizhub-C554-C454-C364-C284-C224/EN/contents/sh3_378.html#qitem13
>
>
> Expand the line for
>
>
>         To specify the position of Header Position printed on a sent
>         fax ([Header Position])
>
> Larry.
>
> On 18/12/2016 4:30 AM, Yves wrote:
>> Hi,
>>
>> I am using asterisk 11.8 in combination with spandsp to send and 
>> receive T38 Faxes. All works fine, but I do not know
>> how to get the remoteheader from the fax I receive.
>>
>> When I send a fax, there are Faxopts to set the localstationid and 
>> the headerinfo, but for receiving, there seems to only exist
>> the Faxopts remotestationid
>>
>> but for sure on any fax I receive there is a remoteheaderinfo besides 
>> the remotestationid... it is on the tiff-file, but I need this
>> info in a channel-variable...
>>
>> Does anybody know how to get the remoteheaderinfo for a received fax?
>>
>> thanks
>>
>> yves
>>
>>
>
>
>
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