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From: elh@vu-vlsi.UUCP (Edward L. Hepler)
Newsgroups: comp.sys.att
Subject: Re: Callback on 7300 modem
Message-ID: <1058@vu-vlsi.UUCP>
Date: Fri, 14-Aug-87 12:38:45 EDT
Article-I.D.: vu-vlsi.1058
Posted: Fri Aug 14 12:38:45 1987
Date-Received: Sun, 16-Aug-87 05:06:52 EDT
References: <120@stech.UUCP> <3393@venera.isi.edu>
Organization: Villanova Univ. EE Dept.
Lines: 30
Summary: Re: Callback on UNIX/PC..

In article <3393@venera.isi.edu>, najjar@venera.isi.edu (Walid Najjar) writes:
> Has anyone out there any experience on how to setup the 7300 modem to 
> connect to a callback system. The way it works at ISI: 
> - dial a number
> - give an access number
> - hangup
> - you are called back
> - connect
> 
> I would like some help in how to set this up on 7300 Unix PC.
> 
> Reply to net, or e-mail to najjar@venera.isi.edu
> Thanks.

We also have a system like this at Villanova University.  I have hacked
together a program which is not as reliable as I would like it to be...
I would like to work on it some more and then if I get it to work reliably,
I'll make it available to interested parties.

Now, it almost always works the *second* time I try it... (i.e. I invoke
callback, login to the remote machine, it calls me back, the modem answers,
and I hang.  I then kill the processes, and try again. This time it works
as intended! )  I must not be setting up something properly in the modem
which "fixes" itself when killed?!?

Also, I haven't yet figured out a way of forcing the modem back to VOICE:IDLE
after the program exits....

Ed Hepler
elh@vu-vlsi