/var/spool/hylafax/config/digi is in hylafax-server 3:6.0.6-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | # $Id$
#
# prototype config for Digi AccelePort RAS
# It uses a K56 chip, but is similar in behavior to Lucents.
#
# Note that because the devices are named as "ttyG0_00" (which on some
# systems indicates a subdirectory, i.e. "ttyG0/00") you must:
# `ln -s /dev/ttyG0_00 /dev/ttyG000`
# for each device and refer to the symlink.  Otherwise various HylaFAX 
# functions will fail.
# CONFIG:CLASS1:Digi RAS modem*:.*:.*: Manufacturer=Digi Model=AccelePort
#
# BEGIN-SERVER
# END-SERVER
ModemType:		Class1		# use this to supply a hint
ModemFlowControl:	rtscts		# seems to work better than xonxoff
# If your line supports Caller-ID, you may want to uncomment this...
# ModemResetCmds:	"AT#CID=1"
# CallIDPattern:	"NMBR="
# CallIDPattern:	"NAME="
# The modem does not report +FCERROR, so this helps us simulate it
Class1RMPersistence:	0
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