Thomas: Die Seite wurde neu angelegt: „Dieser Beitrag beschreibt die Einrichtung einen Fax-Servers unter Linux. Dazu gibt grundsätzlich genügend Beschreibungen, hier soll jedoch über die einfache…“

2018-07-08T05:44:00Z

Die Seite wurde neu angelegt: „Dieser Beitrag beschreibt die Einrichtung einen Fax-Servers unter Linux. Dazu gibt grundsätzlich genügend Beschreibungen, hier soll jedoch über die einfache…“

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Dieser Beitrag beschreibt die Einrichtung einen Fax-Servers unter Linux. Dazu gibt grundsätzlich genügend Beschreibungen, hier soll jedoch über die einfache Einrichtung hinaus gegangen werden.

Dazu gehört die Erweiterung der Weiterleitung der Faxe mittels [[E-Mail]], die Archivierung der eingegangenen Faxe in einer [[SQL]]-[[Datenbank]] ([[MySQL]]) und Zugriff auf die Datenbank mittels [[WEB-Browser]]. Dazu wird das script /etc/mgetty+sendfax/new_fax erweitert.

U.a. wird folgende Software:

[[mgetty]], [[sendfax]], [[mpack]], [[tar]], [[g3topbm]], [[nconvert]], [[gocr]]

Ich habe die Software unter SuSE 9.3 mit YaST2 installiert. Die Installation der Software will ich jedoch nicht beschreiben.

== Konfiguration des Fax-Servers ==

Die Konfigurationsdateien befinden sich im Verzeichnis <tt>/etc/mgetty+sendfax/</tt>.

Davon betrachten wir hier nur die folgenden Dateien
* fax.allow
* faxheader
* faxrunq.config
* faxspool.rules.sample
* mgetty.config
* new_fax
* sendfax.config
* voice.conf

Die Datei <tt>mailintro</tt> wird zusätzlich für das Programm [[mpack]] benötigt und enthält den Text für die Mails, mit denen die Fax-Bilder verschickt werden.

== fax.allow ==
Diese Datei muss von Hand angelegt werden, da sie von der Installation nicht erzeugt wird. Hier werden die Nutzer eingetragen, die Faxe versenden dürfen.

Beispiel:
<pre>
thomas
</pre>

== faxheader ==
Hier wird ein Default installiert, der nicht sehr sinnvoll ist. In dieser Datei wird der Kopf der Faxe festgelegt.

Beispiel:
<pre>

FAX FROM: Thomas Arend +49 4421 983813 TO: @T@ PAGE: @P@ OF @M@
</pre>
== faxrunq.config ==

<pre>

# faxrunq.config
#
# Sample configuration file for "faxrunq" and "faxrunqd"
#
# valid options: success-send-mail [y/n], failure-send-mail [y/n],
# success-call-program <name>, failure-call-program <name>,
# maxfail-costly <n>, maxfail-total <n>,
# delete-sent-jobs [y/n], acct-log <filename>
#
# additional options specific to faxrunqd: fax-devices <tty(s)>,
# faxrunqd-log <filename>, faxrunqd-keep-logs <n>,
# acct-log <filename>, policy-config <filename>

# say "y" here if you want a mail to be sent to the sender of the fax
# when a fax has been successfully sent, "n" otherwise... (default "y")
#success-send-mail n

# this states whether a mail should be sent when a fax could not be
# transmitted at all... (default "y")
#failure-send-mail n

# here you can specify a program that will be called for each fax that
# has successfully been sent... (default: no program)
#success-call-program /usr/lib/mgetty+sendfax/fax-success

# and this program is run for each failed fax... (default: no program)
#failure-call-program /usr/lib/mgetty+sendfax/fax-fail

# how often should faxrunq retry "costly" errors (NO CARRIER, aborted
# transmission, whatever - something that did cost telephone bill)?
# (default: 3)
#maxfail-costly 5

# this is the absolute maximum number of tries for a given fax
# (default: 10)
#maxfail-total 20

# if you want faxrunq to delete sent faxes completely, set this to "y".
# If it is set to "n", faxes will be removed from the queue, but the
# files won't be deleted, that is, you can see those faxes with
# "faxq -o" (default: "n")
#delete-sent-jobs y

# accounting log file (default: see beginning of faxrunq/faxrunqd script)
#acct-log /var/log/acct.log

# The following options are for faxrunqd only:

# which devices to use for outgoing faxes, seperated by ":" (default: no tty)
# this may be overridden by the -l command line switch
fax-devices ttyS0

# log file for faxrunqd (default: see beginning of faxrunqd script)
#faxrunqd-log /var/log/faxrunqd.log

# number of logfiles to keep around when rolling (default: 3)
#faxrunqd-keep-logs 5

# configuration file for policy routing, see faxrunqd man page for
# details (default: none, i.e. don't use policy routing)
#policy-config /etc/mgetty+sendfax/policy.config

</pre>
== mgetty.config ==

<pre>
#
# mgetty configuration file
#
# this is a sample configuration file, see mgetty.info for details
#
# comment lines start with a "#", empty lines are ignored

# ----- global section -----
#
# In this section, you put the global defaults, per-port stuff is below

# set the global debug level to "4" (default from policy.h)
debug 4

# set the local fax station id
fax-id 49 175 5624003

# access the modem(s) with 115200 bps
speed 115200
rings 1
notify thomas

# use these options to make the /dev/tty-device owned by "uucp.uucp"
# and mode "rw-rw-r--" (0664). *LEADING ZERO NEEDED!*
port-owner uucp
port-group uucp
port-mode 0664

# use these options to make incoming faxes owned by "root.uucp"
# and mode "rw-r-----" (0640). *LEADING ZERO NEEDED!*
fax-owner root
fax-group uucp
fax-mode 0640

# ----- port specific section -----
#
# Here you can put things that are valid only for one line, not the others
#

port ttyS0
debug 9
switchbd 9600
modem-type cls2

# Zoom V.FX 28.8, connected to ttyS0: don't do fax, less logging
#
#port ttyS0
# debug 3
# data-only y

# some other Rockwell modem, needs "switchbd 19200" to receive faxes
# properly (otherwise it will fail with "timeout").
#
#port ttyS1
# speed 38400
# switchbd 19200

# ZyXEL 2864, connected to ttyS2: maximum debugging, grab statistics
#
#port ttyS2
# debug 8
# init-chat "" \d\d\d+++\d\d\dAT&FS2=255 OK ATN3S0=0S13.2=1 OK
# statistics-chat "" AT OK ATI2 OK
# statistics-file /var/log/statistics.ttyS2
# modem-type cls2

# direct connection of a VT100 terminal which doesn't like DTR drops
# ("direct" meaning "*no* *modem*". NEVER enable "direct yes" on modem lines!)
#
#port ttyS3
# direct y
# speed 19200
# toggle-dtr n

</pre>
== new_fax ==

<pre>
#!/bin/sh
#
# sample script to automatically convert incoming faxes to pbm, uuencode
# and gzip them, and send them to "MAILTO".
# (FAX_NOTIFY_PROGRAM in policy.h)
#
# gert@greenie.muc.de
#
# $Log: new_fax.mail,v $
# Revision 1.2 2000/07/16 21:18:08 gert
# add .gz to file names, for automatic unziping
#
MAILTO="root"
MAILER=/usr/sbin/sendmail

PATH=$PATH:/usr/local/bin
G3TOPBM=g32pbm
#
#
HUP="$1"
SENDER="$2"
PAGES="$3"

PAGEDIR=`mktemp -d /tmp/fax.XXXXXX`
DT=`date +%Y%m%d%H%M%S`

shift 3
P=1

while [ $P -le $PAGES ]
do
FAX=$1
RES=`basename $FAX | sed 's/.$.$.*/\1/'`
PP=`printf %3.3d $P`

if [ "$RES" = "n" ]
then
STRETCH="-s"
else
STRETCH=""
fi
$G3TOPBM $STRETCH "$FAX" > $PAGEDIR/${DT}_${PP}.pbm
/usr/X11R6/bin/nconvert -in pbm -out gif \
-o $PAGEDIR/${DT}_${PP}.gif \
$PAGEDIR/${DT}_${PP}.pbm
shift
P=`expr $P + 1`
done

# Fax Seiten packen
pushd $PAGEDIR
tar czf $DT.tgz *.pbm *.gif
popd

# Fax als Mail verschicken.
mpack -s "Fax von $SENDER - Seiten $PAGES" -d /etc/mgetty+sendfax/mailintro "$PAGEDIR/${DT}.tgz" thomas

exit 0

</pre>
== sendfax.config ==

<pre>
#
# sendfax configuration file
#
# this is a sample configuration file, see mgetty.info for details
#
# comment lines start with a "#", empty lines are ignored

# ----- global section -----
#
# In this section, you put the global defaults, per-port stuff is below

# tell everybody what's going on
verbose y

# ... and send everything to the log file (quite detailed)
debug 5

# which devices to use for outgoing faxes
fax-devices ttyS0

# which fax number to transmit to the receiving station
fax-id +491755624003

# which command is used to dial out? (Could be ATD, ATDP, ATX3D0W...)
#dial-prefix ATD

# try transmitting every page three times, continue if 3rd try fails as well
max-tries 3
max-tries-continue y

# ----- port specific section -----
#
# Here you can put things that are valid only for one line, not the others
#

# Modem on ttyS0 needs special initialization to do h/w handshaking
#port ttyS0
# modem-handshake AT&K4

# Modem on ttyS1 doesn't work reliably in class 2.0, use class 2 instead
port ttyS0
modem-type cls2

</pre>
== voice.conf ==

<pre>
#
# Sample voice configuration file
# -------------------------------
#
# $Id: voice.conf-dist,v 1.11 2002/12/15 19:43:49 gert Exp $
#
# This file is read twice: First the program configuration is read and
# second the port configuration. This means that generic values at the
# beginning of the file will override program values on the second read.
# So if you want to make a generic value program dependant, remove it
# from the generic part of the config file.
#
# Watch out! Some options in this file are not yet implemented or only
# available with some modems.
#

#
# Generic default values
# ----------------------
#

part generic

#
# Possible log levels are:
#
# L_FATAL 0
# L_ERROR 1
# L_AUDIT 2
# L_WARN 3
# L_MESG 4
# L_NOISE 5
# L_JUNK 6
#

voice_log_level 4

# Where stderr of the voice shell script should go.
# %s will be replaced by the tty name (like for the vgetty/mgetty log).
# If not defined, stderr goes to the modem.
voice_shell_log /var/log/vgetty_voice_shell.%s

#
# Primary voice directory for vgetty.
#

voice_dir /var/spool/voice

#
# incoming messages are owned by "root.phone" and mode "rw-rw----" (0660)
#

phone_owner root
phone_group phone
phone_mode 0660

#
# Location of the flag file for new incoming messages relative to the
# primary voice directory.
#

message_flag_file .flag

#
# Location where vgetty stores the incoming voice messages relative to
# the primary voice directory.
#

receive_dir incoming

#
# Directory containing the messages for vgetty (greeting, handling the
# answering machine) relative to the primary voice directory.
#

message_dir messages

#
# Name of file played before any random or backup message is played.
# Can be used, for instance, to play a set of tones to discourage
# telemarketers. Defaults to null.

#pre_message sit_tones.rmd

#
# Name of the file in MESSAGE_DIR that contains the names of
# the greeting message files (one per line, no white space).
#

message_list Index

#
# Filename of a backup greeting message in MESSAGE_DIR (used if
# the random selection fails to find a message).
#

backup_message standard.rmd

#
# Default port speed. The bps rate must be high enough for the compression
# mode used. Note that this is an integer, not one of the Bxxxx defines.
# Basically you should select the highest possible speed your modem and
# computer support. The default value is 38400.
# For V 250 compatibel modems you get the supported speeds with the command
# AT+IPR=? (with a terminal program like minicom)
# (AT+IPR=0 means autobauding, don't set any other value!)
#
# WARNING: if you use vgetty, this MUST be the same value as the
# setting of "speed <n>" in mgetty.config. If you change one,
# change the other one as well!
#

port_speed 38400

#
# Default shell to invoke for shell scripts. Make sure this shell
# understands things like funtions, because the scripts rely on this.
# The default is "/bin/sh"
#

voice_shell /bin/sh

#
# Default port timeout in seconds for a read or write operation. The
# default value is 10 seconds.
#

port_timeout 10

#
# Default timeout for a dialout in seconds. The default value is 90 seconds.
#

dial_timeout 90

#
# Delay before sending a new voice command to the modem in milliseconds.
# The default is 100 milliseconds.
#

command_delay 100

#
# Minimum length of detected DTMF tones, in milliseconds. This is
# currently only supported by ZyXel modems with a ROM release of 6.12
# or above. The default is 30 milliseconds.
#

dtmf_len 30

#
# DTMF tone detection threshold in percent (0% to 100%). Increase this
# if the modem erroneously detects DTMF tones, decrease it if it fails to
# detect real ones. This is currently only supported by ZyXel modems
# with a ROM release of 6.12 or above. The default is 40%.
#

dtmf_threshold 40

#
# Time to wait for a DTMF tone to arrive when recording or waiting
# for DTMF input in seconds. The default is to wait for 7 seconds.
#

dtmf_wait 7

#
# In Australia the frequency of the busy signal is the same as the
# frequency of the fax calling tone. This causes problems on at least
# some modems. They report a fax calling tone, when there is a busy
# signal in reality. To help those user, vgetty will ignore any fax
# calling tone detected by the modem, when this option is set.
#
# The following companys suffer from this problem:
# - Telstra (formerly Telecom Australia)
# - Optus
# - Austel (regulatory authority)
#
# The default is of course off.
#

ignore_fax_dle false

#
# Output recorded voice samples without header and expect raw voice
# data on input for playback. This feature is turned off by default.
# Don't enable it unless you really know, what you are doing!
#

raw_data false

#
# This is the default compression mode for vgetty for incoming voice
# messages and for the recording option of vm. The mode 0 is a special
# mode, that will automatically choose a sane default value for every
# modem. The default is 0.
#

rec_compression 0

#
# This is the default recording speed for vgetty for incoming voice
# messages and for the recording option of vm. It is the number of samples
# per second. The speed 0 is a special speed, that will automatically
# choose a sane default value for every modem. The default is 0.
#

rec_speed 0

#
# Silence detection length in 0.1 seconds. If the modem detects silence
# for this time, it sends a silence detect to the host. Default is
# 7 seconds (70 * 0.1 seconds).
#

rec_silence_len 70

#
# Silence detection threshold in percent (0% to 100%). Increase this value
# if you have a noisy phone line and the silence detection doesn't work
# reliably. The default is 40%.
#

rec_silence_threshold 40

#
# If REC_REMOVE_SILENCE is enabled, the trailing silence of an incoming
# voice message as detected by the modem will be deleted. This might
# cause you to miss parts of a message if the silence threshold is
# high and the caller is talking very quietly. To be on the safe side,
# don't define this. This feature is turned off by default.
#

rec_remove_silence false

#
# Maximum recording length in seconds. Hang up if somebody talks
# longer than this. Default is 5 minutes (300 seconds).
# If this is set to zero, disables recording.
#

rec_max_len 300

#
# Minimum recording length in seconds. Some modems can not detect
# data or fax modems, so we use the recording time, to decide,
# what it is. This feature is by default disabled.
#

rec_min_len 0

#
# Enable hardware flow in record and playback mode if the modem
# supports it. This option is by default on.
#

do_hard_flow true

#
# if set, alternate sound to replace standard "beep" tone when
# answering the phone. This is null by default -- in that case
# the beep specified below will be used instead. (This setting
# will not affect the BEEP command given from the shell.)
#
# beepsound beepsound.rmd

#
# Frequency for the beep command in Hz. The default is 933Hz.
#

beep_frequency 933

#
# Length for the beep command in msec. The default is 1.5 seconds
# (1500 * 0.001 seconds).
#

beep_length 1500

#
# Number of tries to open a voice modem device. The default is 3.
#

max_tries 3

#
# Delay between two tries to open a voice device in seconds. The default
# is 5 seconds.
#

retry_delay 5

#
# Default timeout for the voice watchdog. If this timer expires, the
# running program will be terminated. The default is 60 seconds.
#

watchdog_timeout 60

#
# Some modems support setting the receive gain. This value can be set in
# percent (0% to 100%). 0% is off, 100% is maximum. To use the modem
# default value set this to -1. The default is -1.
#

receive_gain -1

#
# Some modems support setting the transmit gain. This value can be set in
# percent (0% to 100%). 0% is off, 100% is maximum. To use the modem
# default value set this to -1. The default is -1.
#

transmit_gain -1

#
# Usually command echo from the modem should be enabled. Since some modems
# sometimes forget this echo, it is disabled by default. Turning this option
# off makes things more reliable, but bugs are much harder to trace. So
# don't ever think about mailing me a bug report with command echo turned
# off. I will simply ignore it. The default is to disable command echo.
#

enable_command_echo false

#
# Time in msec for the delay, when no new data are received from the modem. A higher value will decrease
# machine load by increasing vgettys reaction time. The default is 10 msec.
#

poll_interval 10

#
# The ML 56k Office, Internet (I), pro and Basic
# with actual firmware support 2 commandsets:
# The one in Elsa.c wich is autodetected and
# the ITU V253 (if you say TRUE here for this modems you also have to set
# rec_speed 7200)
# Default is FALSE

#forceV253 FALSE

#
# Program specific initializations
# --------------------------------
#

#
# Default values for vgetty
# -------------------------
#

program vgetty

#
# Default number of rings to wait before picking up the phone.
#
# Instead of a number, you can also give a file name, that contains
# a single number with the desired number of rings. Vgetty will
# automatically append the name of the modem device to the file name.
# The file name must be an absolut path starting with a leading "/".
# E.g. "rings /etc/rings" and the modem device is ttyS0, will
# lead to the file name "/etc/rings.ttyS0". If this file doesn't
# exist, vgetty will check for a file without the modem device name
# appended. In this example, vgetty would check for /etc/rings.
#
# Please note, that vgetty forces the number of rings to be at least 2.
# This is, because the caller ID information (if available from your
# provider) is sent between the first and the second ring. Since we don't
# know in advance, if you get CID or not, we stay on the save side.
#
# If you have compiled mgetty/vgetty with CNDFILE defined in policy.h
# then you must use the comandline option -n explained in `man mgetty`
# The default is 3
#

rings 3

#
# Default answer mode when vgetty picks up the phone after incoming
# rings.
#
# Instead of an answer mode, you can also give a file name, that
# contains a single line with the desired answer mode. Vgetty will
# automatically append the name of the modem device to the file name.
# The file name must be an absolut path starting with a leading "/".
# E.g. "answer_mode /etc/answer" and the modem device is ttyS0, will
# lead to the file name "/etc/answer.ttyS0". If this file doesn't
# exist, vgetty will check for a file without the modem device name
# appended. In this example, vgetty would check for /etc/answer.
#
# The default is "voice:fax:data".
#

answer_mode voice:fax:data

#
# When switching to data or fax mode, always switch to fax mode and
# enable autodetection of data/fax. Some modems report wrong DLE codes
# and so the predetection with DLE codes does not work.
#

force_autodetect false

#
# If vgetty knows that there are new messages (the flag file exists),
# it will turn on the AA lamp on an external modem and enable the toll
# saver - it will answer the phone TOLL_SAVER_RINGS earlier than the
# default. This feature is turned off by default.
#

toll_saver_rings 0

#
# Should the recorded voice message file be kept even if data, fax or
# DTMF codes were detected? If this is set, vgetty never deletes
# a recording, if it is not set it will delete the recording, if an
# incoming data or fax call is detected or if DTMF codes were send. Also
# this should work in nearly every situation, it makes you loose the
# recording, if the caller "plays" with DTMF codes to make the message
# even more beautiful. This feature is enabled by default.
#

rec_always_keep true

#
# The programs defined below get called by vgetty.
#
# Define an empty program name, if you want to disabled one of those
# programs.
#

#
# There are two separate uses for the Data/Voice button on a ZyXEL:
#
# - If a RING was detected recently, answer the phone with the
# answer mode set for this case.
# - Otherwise, call an external program to play back messages
#
# If you don't define button_prgogram, vgetty will always pick up
# the phone if Data/Voice is pressed.
#
# The default value is "".
#

button_program

#
# Program called when the phone is answered, this is instead
# of the normal behaviour. Don't define this unless you want
# to e.g. set up a voice mailbox where the normal answering
# machine behaviour would be inappropiate. The C code is probably
# more stable and uses less resources.
#
# The default value is "".
#

call_program

#
# Program called when a DTMF command in the form '*digits#' is received.
# The argument is the string of digits received (without '*' and '#').
# The default value is "dtmf.sh".
#

dtmf_program dtmf.sh

#
# Program called when a voice message has been received.
# The argument is the filename of the recorded message.
# The default value is "".
#

message_program

#
# Should vgetty use the AA LED on some modems to indicate that new
# messages have arrived? This is done by setting the modem register
# S0 to a value of 255. Some modems have a maximum number of rings
# allowed and autoanswer after this, so they can not use this feature.
# This option is by default off.
#

do_message_light false

#
# * ring_report_delay:
# * This value determines the delay in /10 seconds between the falling edge
# * of the ring-signal (DRON response) and the RING response.
# * This value should be greater than the expected off-time within a distinctive
# * ring (DROF response). So says the ITU V.253, but it seems that
# * ring_report_delay should be greater than the mentioned DROF AND the following
# * DRON, and shorter than the long DROF!
#Example with ring_report_delay = 10 (2/10 sec per char):
# ^
#ring-pulse | ...____###__##_______###__##_______###__##______....
# | | | | | | | | | | | | |
# DRON=6 DRON=6 DRON=6
# DROF=4 DROF=4 DROF=4
# DRON=4 DRON=4 DRON=4
# RING RING
# DROF=14 DROF=14
# time --->
#
# Default is 15 (1.5 sec)
#
ring_report_delay 15

#
# Default values for vm
# ---------------------
#

program vm

#
# Voice devices that vm can use e.g. "voice_devices ttyS0:ttyS1". Since
# I don't know to which ports your modems are connected, the default is ""
#

voice_devices

#
# Timeout for a dialout operation in seconds. The default is 90 seconds.
#

dialout_timeout 90

#
# Timeout for deciding that a dialout call has been answered; if more
# than this many 1/10ths of a second have passed since the last ringback,
# the modem assumes the call has been answered. Default is 70 (7 sec).
#

ringback_goes_away 70

#
# Timeout for deciding that a dialout call has been answered; if more
# than this many 1/10ths of a second have passed without any ringback
# the modem assumes the call has been answered. Default is 100 (10 sec).
#

ringback_never_came 100

#
# Default values for the pvf tools
# --------------------------------
#

program pvf

#
# There are currently no defaults.
#

#
# Port specific configuration
# ---------------------------
#

#
# Here you can optionally set some of the previously set values to different
# ones for specific ports.
#
# E.g. we have a modem on port ttyS0
#

port ttyS0

#
# And we want it to answer after the first ring and only in data mode.
# So we would define:
#
# rings 1
# answer_mode data
#
# The commands are commented out, because I don't want to set some port
# specific defaults in this sample configuration file. I just want to
# show you how to do it.
#
# Now we set the values for the next port e.g. ttyS5
#

port ttyS5

#
# And so on for all ports in the system, that need special treatment.
#

#
# Ring type specific configuration
# --------------------------------
#

#
# Here you can optionally set some of the previously set values to different
# ones for specific ring types. The following ring types are possible:
#
# ring - for a normal ring
# ring1 - for distinctive ring number 1
# ring2 - for distinctive ring number 2
# ring3 - for distinctive ring number 3
# ring4 - for distinctive ring number 4
# ring5 - for distinctive ring number 5
# virtual - for a virtual ring (kill -USR1 <mgetty pid>)
# button - if someone pressed the data/voice button on the modem
#
# Note: The current mgetty implementation maps the data/voice button
# event to a virtual ring event.
#
# Note: ISDN MSNs will be mapped to distinctive rings in the future.
#
# E.g. we want to answer the modem on a virtual ring with answer
# mode "fax:data".
#

ring_type virtual

answer_mode fax:data

#
# Or e.g. we have one modem and want to answer with voice on a normal
# ring and with fax:data on distinctive ring1.
#

ring_type ring

# rings 6
# answer_mode voice

ring_type ring1

# rings 1
# answer_mode fax:data
#
# The commands are commented out, because I don't want to set some ring
# specific defaults in this sample configuration file. I just want to
# show you how to do it.
#
# Note: Setting the number of rings will have no effect until the mgetty
# to vgetty interface is changed.
#
# Note: If you have one modem and distinctive ring, you can simply define
# the answer mode directly in this file for the different rings. If you
# have more than one modem and you want them to react different on the same
# type of ring, you have to define rings and answer_mode as pointers to
# files. E.g.
#
# ring_type ring
#
# rings /etc/rings/ring
# answer_mode /etc/answer/ring
#
# ring_type ring1
#
# rings /etc/rings/ring1
# answer_mode /etc/answer/ring1
# for setting a different set of message files:
# message_list Index1
#
# and so on. Now you can set up a different number of rings and answer modes
# by creating the files:
#
# /etc/rings/ring - for the default value
# /etc/rings/ring.ttyS0 - for the value for device ttyS0
# /etc/rings/ring.ttyS1 - for the value for device ttyS1
#
# And the same way you can set the answer modes.
#

</pre>

Einrichtung eines Fax-Servers unter Linux - Versionsgeschichte

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