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000080_news@newsmaster….columbia.edu _Fri Jul 18 12:50:20 1997.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.os.vms,comp.protocols.kermit.misc
Subject: Re: Paging software wanted
Date: 18 Jul 1997 16:50:17 GMT
Organization: Columbia University
Lines: 63
Message-ID: <5qo6s9$7tt$1@apakabar.cc.columbia.edu>
References: <33BC2FB3.65C2@pacbell.net> <33C50E9D.17EE@mci.com> <01bc8fc9$63e546e0$ec0beec3@vafr> <01bc907e$783f1390$28edd8c0@rmpce9>
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In article <01bc907e$783f1390$28edd8c0@rmpce9>,
Michael Gacsaly <mg@riem.com> wrote:
: > In article <33BC2FB3.65C2@pacbell.net>,
: > Bill Robertson <wcr@pacbell.net> wrote:
: > : Where can we get software to run on VMS 6.2 (Alpha) that will dial
: > : out and activate a pager?
:
: ... I wrote my own using CKERMIT which worked using a terminal server.
: Note that different pager companies (and even the same company over time)
: use different protocols. Ask your pager comany for the computer-to-
: computer protocol specification (it is likely different and more reliable
: than the human dial-up interface since it will generally use some kind of
: checksum on messages). Then use CKERMIT to format and send the message.
:
: I have a VMS BEEPER CLD, FORTRAN program, DCL procedure and CKERMIT
: procedure to do this. It likely would just be a start, since interfaces
: vary. email me if you want a copy. If many want it I will post it (but
: I suggest using the email systems).
:
there are a bunch of C-Kermit pager scripts floating around, written for
C-Kermit 5A. One was even published in a magazine a few years ago (DEC
Professional, I think).
There are three interfaces to Alpha paging services:
1. Voice only: You call up the service, speak to an operator, and
dictate the page.
2. Online, interactive. You dial up with a terminal and respond to a
series of prompts, giving the PIN and message.
3. Online, protocol. You dial up with a computer and use a well-defined
error-detecting and -correcting protocol to send the page.
The predominant example of Type 3 is Telocator Alphanumeric Protocol (TAP).
The dialogs in Type 2 are usually just a "user friendly" front-end to
TAP. They all start off with an "ID=" prompt. If you reply in a certain
way, that gets you right into TAP. This is very similar to how you can
dial up a terminal server and then go interactive, or else start up a SLIP
or PPP session.
Most of the scripts that have been floating around since 1992 or
thereabouts are (a) based on C-Kermit 5A, and (b) talk Type 2 services,
and are therefore not very portable. A TAP script should work with any
service at all that supports TAP.
C-Kermit 6.0 includes new functions especially designed for communicating
with pagers, and the Alpha pager script that comes with C-Kermit 6.0
implements TAP in a robust manner in less than a page of code. This script
is designed to be used either from the command line, or embedded within
another script, so (for example) you can have your background system /
network monitoring tasks page the appropriate people automatically in case
of meltdowns, etc.
Take a look at it:
http://www.columbia.edu/kermit/ck60.html
and in particular:
http://www.columbia.edu/kermit/ck60.html#pagers
- Frank