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000026_news@newsmaster….columbia.edu _Fri Dec 18 17:47:53 1998.msg
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From: davism57766@my-dejanews.com
Newsgroups: comp.protocols.kermit.misc
Subject: Re: ckepage/TAP limit
Date: Fri, 18 Dec 1998 21:02:14 GMT
Organization: Deja News - The Leader in Internet Discussion
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In article <75677d$pi7$1@apakabar.cc.columbia.edu>,
fdc@watsun.cc.columbia.edu (Frank da Cruz) wrote:
> In article <75659j$gbu$1@nnrp1.dejanews.com>,
> <davism57766@my-dejanews.com> wrote:
> : I'm using C-Kermit 6.1.193 Beta.05 in an AIX environment to send
> : alphanumeric pages. The online docs state that the ckepage.ksc script
> : can be used to send "one-line" messages via the TAP protocol. Can someone
> : tell me how many characters this represents? I'd think it would be
> : eighty, but I've had messages that don't work which were actually less
> : than eighty characters. I haven't nailed down yet how many characters I
> : can get away with... after a max number of alpha pages I have to pay for
> : each one, so I've been trying to set this up with as few 'trial' pages as
> : necessary. The pager central number I have been using supposedly has a
> : limit of 240 chars.
> :
> The script does not impose any limitation. The TAP specification says
> "a 'block' is up to 256 characters in length, with up to 250 characters
> of info, plus 3 control characters and a 3-character checksum". What a
> particular paging service can handle is a different matter.
>
> : In the meantime, can anyone offer any hints as to what imposes the
> : single-line limit for the ckepage.ksc script, and if there is possibly
> : a way around it for TAP hookups with a more generous character limit?
> :
> Sending multiple lines is a more complicated protocol. It could,
> conceivably, be implemented in C-Kermit, but until now nobody has asked for
> it. If the only reason for wanting it is to be able to send pages up to 250
> characters when a single message of that length (or less) doesn't get
> through, this is normally fixed by juggling the parameters in the APAGE
> portion of the script: flow control, intercharacter spacing, and so on (the
> items marked with "(*)" in the APAGE definition).
>
> - Frank
>
Thanks Frank - sorry for the delay in acknowledging your response;
was tied up with other things for a couple of days before I could
get back to the TAP stuff.
After playing with some of the flow control/error correction etc.
settings in ckepage.ksc, I switched out modems from the Supra 28.8
I had been using to a Hayes 56K, and now everything goes through
just fine. Probably had one of the other modem commands set wrong
or something. Your suggestion pointed me in the right direction,
though.
And a second thanks - assuming you are one(?) of the developers
who maintain Kermit... although my recent attempts have been the
first time I've had a need to use C-Kermit since quite some time
ago, I distinctly remember using Kermit many years ago to communicate
between PC's and UNIX machines with great success. Getting reaquainted
with it for the paging stuff has been a pleasure. This is an
*outstanding* program.
- Mark
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