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vgetty(8)				  vgetty manual 				vgetty(8)

       vgetty - voice extension to the mgetty+sendfax program

       vgetty [options] ttydevice

       vgetty  is not meant to be run from the command line. It should be run from the /etc/init-
       tab file so it can respawn after each call. Here is a typical inittab entry:

       S0:345:respawn:/usr/local/sbin/vgetty ttyS0

       If you already have a line in your inittab file which  invokes  mgetty,	replace  it  with
       vgetty, since it replaces/extends its functionality.

       vgetty is an extension to the mgetty+sendfax program which provides an interface to voice-
       capable modems. Use it to operate your modem as a simple answering machine or  build  your
       own  sophisticated  voice  messaging  system.  vgetty handles all the voice-modem specific
       protocols, giving application programs a uniform, modem-independent  voice  library.  Sup-
       ported  modems  include	many  common serial modems from 3com/USRobotics, Elsa, Multitech,
       ZyXEL, and others.  Caller ID and Distinctive Ring are supported provided  you  have  sub-
       scribed	to these services from your phone company.  Software-based modems (winmodems) are
       not supported.

       vgetty comes with tools to convert au/wav/voc sound files to/from the format used by  most
       supported  modems.  Basic  editing  and	filtering of sound files is included as well. See
       pvf(1) for more information.

       vgetty accepts the same options as mgetty.  The one's relevant to  voice  mode  are  given
       here.  See mgetty(8) for other options related to data and fax modes.

       -a     Use  autobauding	(change  port  speed  to modem CONNECT speed).	There is no voice
	      modem that needs this, the option is just documented for completeness.

       -m 'expect send ...'
	      Set the chat sequence that is used to initialize the modem.  For	an  empty  expect
	      part,  use  empty double quotes ("").  Since the sequence contains spaces, you will
	      have to enclose all of it in single quotes (''). Example:

	      vgetty -m '"" ATH0 OK'

       -n <rings>
	      Set the number of rings after which vgetty will answer the phone

       -s <speed>
	      Set the serial port speed to use, e.g. "-s 38400". This is the speed of  communica-
	      tion between the computer and modem in bits/sec (baud).

       -x <log level>
	      Set  the	log  verbosity level. Zero (0) means no logging, six (6) is really noisy.
	      Use level six (6) when sending problem reports to the maintainer. The log  file  is

       vgetty sets the following environment variables when calling external programs:

	      The caller's telephone number.

	      The number the caller has dialed. Useful for ISDN with multiple incoming phone num-
	      bers on the same physical line.

	      The connect string as reported by the modem (e.g.   "38400/V.32bis/V.42bis  ...  ",

       DEVICE The  tty	device	being  used  (e.g. "ttyS0"). Useful for handling multiple devices
	      ("messages on this line are for work, messages on the other line are personal").

       vgetty is included in the mgetty+sendfax distribution. For the latest release, go to:


       The vgetty maintainer's home page is at:


       Send problem reports to:


       For information on mgetty, go to:


       The mgetty mailing list	is  at	mgetty@muc.de.	The  mailing  list  is	mirrored  to  the
       de.alt.comm.mgetty newsgroup.

	      Main  configuration  file  for  vgetty.  Many options here override the equivalents
	      found in /etc/mgetty+sendfax/mgetty.config

	      If this file exists, vgetty will not answer calls on device ttyXX.

	      Debug log file for vgetty.

	      List of greeting messages to use.

	      Access code for remote playback of messages using the dtmf.sh script

	      vgetty touches this file when a new message is received

	      Used by the dtmf.sh script to record last time of message playback

       If vgetty doesn't work they way you think it should, check the log file.  By  default,  it
       is  located  in	/var/log/vgetty.ttyXX (for the vgetty process handling device ttyXX, e.g.

       vgetty supports most standard voice modems, but many modems are not fully  compliant  with
       relevant  standards  or	contain  firmware  bugs. If you have problems, try upgrading your
       modem to the latest firmware revision. If you discover a bug with  how  vgetty  reacts  to
       your  modem,  please  email the maintainer (vgetty-maintainer@alphanet.ch) describing your
       problem.  Include relevant excerpts from the log file (set log level to	six  first),  and
       details about your modem (including firmware revision) and operating system.

       mgetty(8), pvf(1)

       vgetty  is  Copyright  (c) 1997-2001 Marc Schaefer (schaefer@alphanet.ch) and many others,
       before and after.

       This program is free software; you can redistribute it and/or modify it under the terms of
       the  GNU  General Public License as published by the Free Software Foundation; either ver-
       sion 2 of the License, or (at your option) any later version.

       This man page was written by Barry Stewart <bstewart@smyrnacable.net>, and  has	CVS  ver-
       sion: $Id: vgetty.8,v 1.1 2001/12/22 18:43:22 marcs Exp $

version 0.60			   $Date: 2001/12/22 18:43:22 $ 			vgetty(8)
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