Columbia Kermit/kermit.zip/newsgroups/misc.19961006-19970104/[e-mail] _Tue Dec 10 10:56:56 1996.msg

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From: Kurt Rosenhagen <[e-mail]>
Newsgroups: comp.protocols.kermit.misc
Subject: Re: dialing macro for dialback modem
Date: Tue, 10 Dec 1996 10:58:13 -0500
Organization: Extratek Inc.
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I'm running C-Kermit 5A(190). I'll try 6.0. Thanks for the help.

Kurt

Frank da Cruz wrote:
>
> In article <[e-mail]>,
> Kurt Rosenhagen  <[e-mail]> wrote:
> : Frank da Cruz wrote:
> : > In article <[e-mail]>,
> : > Kurt Rosenhagen  <[e-mail]> wrote:
> : > : Ive modified an existing macro for dialing in to a dialback modem. When
> : > : the dialback occurs, an "INPUT" command is executed, and the message
> : > : "Cant condition line for input" appears five times (there are siz input
> : > : commands after dialback). The message "Connecting to cua0" etc apperas,
> : > : script file is finished as kermit now expects input from keyboaard.
> : > :
> : > So this means you are probably using C-Kermit?  Which version?
> : > On which platform?
> : >
> : > Anyway, the trick of handling dialback situations is that you
> : > have to hang up the modem after making the call, so it can call
> : > you back.  If you don't hang it up, it will just get a busy
> : > signal.
> :
> : Sorry, I should have been more complete. I'm running C-Kermit ...
> :
> What version of C-Kermit?
>
> : ... on a Sparc
> : 10/50 under SunOS 4.1.3. While the dialback is not getting a busy
> : signal, I think the problem is similiar; the answering modem isn't
> : answering until the "INPUT" command times out. I've currently got it
> : kind of working by doing one macro for dialout, then "HANGUP", then
> : another macro for dialback answer (which can't be executed until the
> : modems have finished negotiating). Can this somehow be automated into
> : one macro?
> :
> I'm sure it can be, but I don't have access to your setup to try it.
> I think the problem you had before was that C-Kermit was holding on to
> its end of the original phone call.  The service on the other end hung
> up, but C-Kermit was still trying to use it (e.g. by issuing INPUT
> commands).  But since the other end had hung up, there was no more carrier
> and so the device driver was returning errors when you gave the INPUT,
> OUTPUT, or similar commands, and in any case the modem was not conditioned
> to answer the call-back.
>
> I'd suggest you install C-Kermit 6.0 on your Sun and then have your script
> use the new ANSWER command.  So in outline, it would look like this:
>
>   dial xxxxxxx
>   if fail ...
>   (put input/output dialog here)
>   hangup
>   answer xxx  ; xxx = number of seconds to wait for call
>   if fail ...
>
> At this point, you should have a usable connection.  For info about
> C-Kermit 6.0, see:
>
>   http://www.columbia.edu/kermit/ck60.html
>
> - Frank