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000014_news@newsmaster….columbia.edu _Tue Dec 15 12:50:03 1998.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: ckepage/TAP limit
Date: 15 Dec 1998 17:45:17 GMT
Organization: Columbia University
Lines: 31
Message-ID: <75677d$pi7$1@apakabar.cc.columbia.edu>
References: <75659j$gbu$1@nnrp1.dejanews.com>
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In article <75659j$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