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QFAX Modem commands.

When qfax starts, it initialises the modem as follows:

ATZ                                     (unless -g option)
<QFAX PREINIT command if defined>
AT +FCLASS=2
AT+FBOR=0 +FCR=1 +FAA=0                 depends on DATA
AT+FLID=<ID field>                      from qfax_dat
AT+FDCC=vr,br,wd,ln,df,0,0,0
<QFAX INIT command if defined>

vr = vertical resolution [0/1],         qfax_dat RES parameter
br = baud rate value [1-5]              qfax_dat MODEM parameter
wd = page width [0-2]                   qfax_dat WIDTH_x parameter
ln = page length [0-2]                  qfax_dat PAGE_x parameter
df = coding type [0-2]                  qfax_dat CODE parameter

where :-

ATZ                     reset the modem
+FBOR=0                 disable bit reversal
+FCR=1                  enable fax reception
+FAA=0                  disable fax auto answer
+FLID= ...              local identification
+FDCC= ...              resolution, baud, width, page length, coding etc

QFAX Assumes that your modem defaults to hardware handshake in fax mode. if you are not sure of this, set the `qfax_dat' `init' parameter to include:

INIT = AT&H3 (ZyXEL, your modem may be different)

Note you can over-ride all this with the MDM1 -- MDM4 `qfax_dat' parameters.


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