wiki.laukas.lt

vi /tmp/myfax.txt

Channel: SIP/anveo_out/+19734620990
Callerid: +19738889223
WaitTime: 30
Maxretries:3
RetryTime: 300
Extension: 1
Application: SendFax
Context: from-internal
Data: /tmp/fax.tif

chown asterisk.asterisk /tmp/myfax.txt

mv /tmp/myfax.txt /var/spool/asterisk/outgoing/

test:
https://www.faxtoy.net

/usr/local/bin/convert -define quantum:polarity=min-is-white -rotate '90>' -density 204×196 -resize 1728x -compress Group4 -type bilevel -monochrome ${input_file} ${output_file}

gs -q -dNOPAUSE -dBATCH -sDEVICE=tiffg4 -sPAPERSIZE=letter -sOutputFile=<dest> <src>

root@mc:~# which convert
/usr/bin/convert
root@mc:~#