[asterisk-users] Asterisk Fax Receive - how to get the remoteheader?

Larry Moore lmoore at starwon.com.au
Sat Dec 17 17:02:47 CST 2016

The list of options available are listed here 

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 - 

Expand the line for

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


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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