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Re: PLIP woes! SLIP answering phone.

daemon@ATHENA.MIT.EDU (Martin Kraemer)
Mon Jun 12 08:35:52 1995

To: <m-ke0082@SPARKY.CS.NYU.EDU> (Ken Estes)
Date: Mon, 12 Jun 1995 12:42:54 +0200 (MDT)
From: "Martin Kraemer" <Martin.Kraemer@mch.sni.de>
Cc: linux-net@vger.rutgers.edu (Linux Network Channel)

On Sun, 11 Jun 1995, Ken Estes wrote:
> One other question while I have the attention of some experts. I have
> just started having my computer answer the phone.  This is an
> unintended behavior.  I wish to make it stop but it seems to answer
> the phone even when there are no daemons running (I have even killed
> things that should never die).  I assume that the only explanation is
> that the modem has some software settings which tell it to answer the
> phone.  I have run some different software this week so it is possible
> that this software left the modem in an unusual state.  Any info on
> what is going on would be interesting.

You might want to disable the auto-answering permanently, so (using kermit)
you could do a
    AT S0=0 &W
to write back this value to nonvolatile memory.

Another solution to
    a) enable dial-in (when you want to but disabling it if your machine
       is down or you do not want to enable auto-answering)

    b) enable fax acceptance (when you want to but disabling it if your machine
       is down or you do not want to enable auto-answering)

    c) allow dial-out at any time without having to bother that there's a
       dial-in daemon running on the modem line

    d) allow optional send-fax support

is to use the mgetty program. It was designed to give  you maximum freedom
with a minimum of hassle (it autodetects if the caller is a fax or a modem
and/or it's a FIDO caller and  starts the appropriate servers) but when it
detects you are dialing-out it puts itself to sleep until you're finished.
It  never leaves the modem in  auto-answer mode but accepts incoming calls
only when it is running (saving the caller the money and frustration of an
auto-answered call without a running computer  behind it). As a relatively
new feature, it even supports voice modems and  (if you have one) lets you
build an easily expandable answering machine based on shell scripts.

The latest version (AFAIK) is mgetty023-Apr20.tar.gz; ask  archie where to
find  a recent  mgetty  or  find  it  somewhere on  the  author's  machine
ftp://ftp.informatik.tu-muenchen.de/;  an  almost  current  version is  in
ftp://ftp.informatik.tu-muenchen.de/tmp/mgetty.tar.gz

Or ask the author Gert Doering <gert@greenie.muc.de>.

    Martin
-- 
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~~~~~~~~~~~~~~~~  (My opinions only, of course)

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