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From: ehopper@ehpcb.wlk.com (Ed Hopper)
Newsgroups: comp.dcom.telecom
Subject: Re: Sports Stadium Use of a "Dedicated" Phone
Message-ID: <14025@accuvax.nwu.edu>
Date: 25 Oct 90 01:35:35 GMT
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In article <13822@accuvax.nwu.edu>, riddle@hoss.unl.edu
(Michael H. Riddle) writes:

>Isn't there an "in-between" alternative, where the instrument appears
>to be dedicated ring-down service, but in reality places the call when
>the customer goes off-hook?

Absolutely, I remember one feature in the AT&T Dimension PBX called "Hot
Line Service".  With that, one translated two extensions to ring each
other when they went off hook.  They still connected to the PBX and
didn't require auxiliary ringdown equipment like one might have
implementing ringdown with 1A2 key equipment.  One quick translation
change and you were back to normal extensions (assuming you had the
Customer Admin Panel, which most sites didn't in the 70's & early 80's).
I don't know if Hot Line Service was carried over into the System
85/75/Definity world, I stopped doing dialtone in 1983.


Ed Hopper
AT&T Computer Systems