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Article #243Re: The state of the STL
From: David Kaye
Date: Wed, 10 Apr 2013 20:00
Date: Wed, 10 Apr 2013 20:00
21 lines
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3935 bytes
"Neil" <weiserguy@sonic.net> wrote > Well, not exactly. The telephone numbers that we dial are one level of > abstraction from the actual circuit numbers that are used to identify the > physical path, much like a URL gets translated into an IP address through > a DNS inquiry. Well, not exactly. When I was in the call center business eons ago, we had DID (direct inward dial) lines, which were trunks. We had 15 or so of these lines but thousands of phone numbers. Dial a number in a block that was assigned to us and it would come in on the next available trunk. I can't remember the exact blocks, but I believe we had 415-995-2500 through 2699 and 2800 through 2999. And then 415-267-3000 through 3399, and I forget the rest. So, though we had thousands of numbers we had only 15 actual talk paths. Our customers had either DCF (delayed call forwarding where the call would forward from their number to ours after X number of rings, or they used simple call forwarding into the number we assigned them. This was over 20 years ago and it wasn't even new technology then.
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From: "David Kaye" <sfdavidkaye2@yahoo.com>
Newsgroups: ba.broadcast.moderated
Subject: Re: The state of the STL
Date: Wed, 10 Apr 2013 16:00:18 EDT
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