HDTenEightyP/NetNews huggingface dataset:
Date: Sun, 13 Sep 92 15:29:14 -0500
From: martin@datacomm.ucc.okstate.edu
Newsgroups: comp.dcom.telecom
Subject: Re: Bell Science Series on Video
Organization: TELECOM Digest
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 706, Message 7 of 13

When I was an electronics technician for O.S.U.'s Audio Visual
Department, We had a huge pile of 16-millimeter test films which got
their test status by having been chewed, burnt, or otherwise mutilated
by sick or poorly operated projectors.  Several of those films were
from the Bell Science series.  In one segment of the film about the
development of language, there is a brief shot of an experiment in
which the phrase "Never kill a snake with your bare hands," is
spectrally analyzed.  The spectrogram was placed on a piece of clear
plastic and run through another machine which produced a fairly good
playback of the sentence.

     This little segment always caught my interest because I happened
to have read about that very experiment while doing some research in
graduate school in 1977.

     According to Bell Labs "Benchmark Papers in Acoustics," the
scientists were studying the very nature of speech production and
understanding.  In 1951, they built a sort of reverse spectrograph
which took spectrograms and converted them back to audio.  The system
was elegantly simple, for its purpose, but worked quite well.

     It had a light source on one side of a rotating disk with a row
of photo-cells on the other side.  There were bands of holes drilled
in the disk so that they interrupted the light beams at a rate
corresponding to the desired frequency.  When the disk was spun at the
right speed, each photo-cell could produce a tone whose frequency was
harmonically related to all the other tones which could be produced.
By blocking the light to groups of photo-cells, one produced many
tones of different harmonic composition.  The hardware was physically
built so that the bands of holes corresponded to the center
frequencies of the channels of the spectrum analyzer.

     When running a spectrogram through the system, those parts of the
film which corresponded3to sound were clear while the quiet parts were
opaque.  All one had to do to get sound was to run the spectrogram
between the light source and the photo-cells at the same speed at
which it was originally recorded.

     The researchers wrote that it was possible to obtain good speech
quality from this system if the spectrogram was automatically produced
by a spectrum analyzer, but that attempts to create speech by manually
painting certain parts of a film produced very poor results.  It seems
that the human brain is not very good at interpreting a visual
representation of a sound.

     The "Bench Mark Papers on Acoustics" are just full of interesting
experiments like the one just described and show that Bell Labs was
trying to do new things with telephony right from the start.


Martin McCormick WB5AGZ   Stillwater, OK
O.S.U. Computer Center Data Communications Group
Date: Sun, 13 Sep 92 10:31 PDT
From: john@zygot.ati.com (John Higdon)
Newsgroups: comp.dcom.telecom
Subject: Re: MCI Telemarketing
Reply-To: John Higdon <john@zygot.ati.com>
Organization: Green Hills and Cows
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 710, Message 1 of 11

dwn@dwn.ccd.bnl.gov (Dave Niebuhr) writes:

> I had two calls from MCI this morning and and the person on the other
> end wanted wanted me to switch to them via their Friends and Family
> plan.

I have a rather effective way of handling these calls. Rather than
just hanging up, I express interest in establishing a secondary
account.  Most telemarketing contractors have no idea what this is.
Since they are not programmed to accept this information, that usually
ends the session.  And even if they are, what is the harm in having
ANOTHER long distance account? (Many people, including reps of the
company, will try to insist that various plans are not available to
non-PIC customers. This is usually not true.)

I have no PIC on some of my lines and AT&T on the rest and have a
secondary account with Sprint that dates back to the old US Telecom
days. I gave up on my MCI secondary account after months of bogus
billing and other errors -- not to mention some really data-poor
connections. The company was given a great deal of slack, but it could
never get the problems resolved.


        John Higdon         |   P. O. Box 7648   |   +1 408 264 4115
    john@zygot.ati.com      | San Jose, CA 95150 |       M o o !
Date: Tue, 8 Sep 1992 13:57:01 GMT
From: deej@cbnewsf.cb.att.com (david.g.lewis)
Newsgroups: comp.dcom.telecom
Subject: First ESS Was in New Jersey (was Illinois Bell Now Allows ...)
Organization: AT&T
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 696, Message 10 of 12

In article <telecom12.685.9@eecs.nwu.edu> the TELECOM Moderator
<telecom@eecs.nwu.edu> writes:

> [Moderator's Note: IBT has always been considered a very progressive
> and advanced company. After all, ESS started here, in Morris, IL back
> in the 1960's ...

Sorry, wrong answer ... "The first application of electronic local
switching in the Bell System occurred in May 1965 with the cutover of
the first 1ESS switch in Succasunna, New Jersey." [EOBS, P413]

(EOBS = Engineering and Operations in the Bell System, 2e)


dave
From: varney@ihlpf.att.com (Alan L Varney)
Newsgroups: comp.dcom.telecom
Subject: Re: USA to Ten Digits
Date: 14 Sep 92 13:20:48 GMT
Organization: AT&T Network Systems, Lisle, IL
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 714, Message 2 of 12

In article <telecom12.709.5@eecs.nwu.edu> lauren@cv.vortex.com (Lauren
Weinstein) writes:

> Greetings.  I for one would welcome the ability to dial all ten digits
> on local calls.

   {Deleted reasoned rationale for the ability to use ten-digit
    (or 1 + ten-digit) dialing everywhere in the USA}

> Hey Bellcore -- you can count on my public support if you want to give
> this plan a try!

   Actually, Bellcore (or Bellcore acting as the NANP Administrator)
isn't just proposing your request, they are RECOMMENDING it.  But
Bellcore doesn't run the RBOCs; it can only recommend.  For example,
in the "guide" I've mentioned before, they say:

   Sec. 3.3.4 -- "Numbering planners have long considered it
        good practice for switches to accept and attempt to
        complete any call originated with a valid 10-digit
        address, including home area calls for which 7-digit
        dialing could suffice. ... Step-by-step switching technology
        forced rejection of home area calls not conforming to
        recommended dialing practices.  Such blanket treatment
        need not be continued with common control."

   Sec. 5.7 -- "The traveling public is particularly subject
        to confusion by the differing dialing plans used throughout
        North America. ...  It is also recommended that format-based
        call rejection associated with toll alerting be limited
        to 7-digit toll calls."
        {In other words, 10-digit calls would never be rejected
         because they happened to be "local".}

   Sec. 7.1 -- "It is strongly recommended, as a short-term goal,
        that the dialing of 10-digits, when only 7-digits are required,
        not result in a call failure.  The implementation of a full
        10-digit dialing plan requires user awareness that a 10-digit
        number is always acceptable and does not necessarily connote
        a toll charge."

   So we're just waiting for the RBOCs to implement the these
recommendations!


Al Varney - just MY opinion.
Date: Mon, 7 Sep 92 10:36:17 CDT
From: Will Martin <wmartin@STL-06SIMA.ARMY.MIL>
Newsgroups: comp.dcom.telecom
Subject: "911" as an Area Code?
Organization: TELECOM Digest
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 689, Message 12 of 19

The area-codes lists that have been put out on Telecom always note
that "911" is not used as an area code, but is reserved. I suppose
that it would be *possible* to use "911" as an area code, since it
should always be preceeded by a 1 or a 0 in making a call, and thus be
distinguished from the emergency-call 911 service, but I also suppose
having it as a regular area code would cause false or misdialed 911
calls and thus the telcos keep it reserved.

So what I'm wondering about -- our toll-call list that is generated by
our NEC NEAX 2400 phone system came out with an entry for a call from
one of our office phones to "911-572-4000", a one-minute call on May
7th at 10:30 AM.  We're reviewing old logs because our phone people
are fighting with the vendor over billing, having been charged for
multiple one-minute calls to the same number at the same wallclock
time (probably uncompleted redial attempts) and for 800-number calls.
Anybody have any possible legitimate excuse for a call to
911-572-4000, or does this sound like garbage generated by the
billling or accounting software?  Anybody else getting similar stuff
showing up on their logs?


Regards, 

Will   wmartin@st-louis-emh2.army.mil OR wmartin@stl-06sima.army.mil
From: ariel@world.std.com (Robert L Ullmann)
Newsgroups: comp.dcom.telecom
Subject: Re: When Did France go to Eight Digit Numbers
Date: 14 Sep 92 02:53:05 GMT
Organization: The World in Boston
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 708, Message 9 of 11

Richard Cox <mandarin@cix.clink.co.uk> writes:

> Fred Gaechter at Bellcore has said he sees a similar future for the
> NANP: dialling ten digits for ALL calls irrespective of whether
> they're local, toll, or outwith your NPA. Do other Digest readers
> think this would be acceptable?

Actually, the dial plan I want is just the full number. International
number. I dial 11 digits most of the time anyway -- 1 + NPA + 7 -- to
get from NPA 617 (where I live, +1 617 247 7959) to NPA 508 (where I
work, and my parents live.)

If I could pick up the phone and dial the full number, with none of
this "you must dial 1/you must _not_ dial 1" bull manure, that would
suit me just fine. Overall, it would mean _fewer_ keypresses. (never
hitting 011, no 9-1 or 9-011 from PBXs. Ever forgot you were at home
and dialed 9-1-something with a double bounce on the '1'?
Embarrassing.)

Think about traveling in foreign countries and being able to pick
up any phone and just dial the same number you use from anywhere
else? (The Phone Company discovers FQDNs ... :-) 

Now _that_ is _real_ international standardization.


Robert Ullmann		Ariel@World.STD.COM	+1 508 879 6994 x226
Date: Thu, 10 Sep 1992 12:51:11 GMT
From: vishwas@cse.iitb.ernet.in (Vishwas Joglekar)
Newsgroups: comp.dcom.telecom
Subject: X.25 Communication With EPABX
Organization: Department of Computer Science,IIT, Bombay
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 699, Message 5 of 11

I am working on some data communication project. We have Oki iox 1200
EPABX I would like to know how to use this exchange in getting X.25
network connectivity.

We also have Digital Multi Key Telephone Instrument (MKT DTE-II BE)
which has an RS 232 port.

Please mail to me directly. I will summarise.

Thanks in advance.


Vishwas Joglekar   I.I.T. Powai,
Bombay 400 076.   India.
Internet : vishwas@cse.iitb.ernet.in
From: Nigel.Allen@bbs.oit.unc.edu (Nigel Allen)
Newsgroups: comp.dcom.telecom
Subject: Re: education.tele.com
Date: 14 Sep 92 21:24:14 GMT
Organization: Echo Beach
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 714, Message 9 of 12

In article <se9uqB1w165w@chezrob.pinetree.org> rogue@chezrob.
pinetree.org (Marc Scott) writes:

> I've just recently left high school and I was interested in furthering my 
> education concerning telecommunications at a higher level, college or 
> university. Could someone suggest a some suitable choices.

Your local library will have copies of course calendars from many
different colleges and universities. For information about programs
offered at Ontario colleges and universities, see the book Horizons,
which is available free of charge from:

 Ontario Ministry of Colleges and Universities
 Communications Branch
 8th Floor, Mowat Block
 900 Bay Street
 Toronto, Ontario
 Canada  M7A 1L2
 telephone (416) 325-2739
 fax (416) 325-2750

The Telecommunications Research Institute of Ontario is located in the
Ottawa area, but is a research association, rather than an
undergraduate school.

You may want to talk to the electrical engineering department at a
nearby university to get a better idea about undergraduate coursework
in telecommunications.

You may also want to see if your local public or university library
receives telecommunications-related magazines. Even though you may
find some of the technical articles fairly difficult, you should get
something out of reading them.


   The opinions expressed are not necessarily those of the University of
     North Carolina at Chapel Hill, the Campus Office for Information
        Technology, or the Experimental Bulletin Board Service.
           internet:  bbs.oit.unc.edu or 152.2.22.80
Date: 10 Sep 92 20:03:21 GMT
From: atoscano@attmail.com
Newsgroups: comp.dcom.telecom
Subject: Need List of Future 210-NXX Codes
Organization: TELECOM Digest
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 699, Message 7 of 11

Does anyone have a list of NXX codes which will be making the move
from NPA 512 to 210, later this fall? I've made several phone calls to
Southwestern Bell, but haven't yet found anyone with an "official"
list of prefixes. They only seem to have a list of cities. With the
split only two months away, I would think a list of prefixes should be
available by now. (Perhaps an automated 800 number like Illinois Bell
had for the 312/708 split.)

If any reader has such a list, or knows where I might obtain one,
please send email to: <atoscano@attmail.com>.


A Alan Toscano     Voice:  +1 713 216 6616     AT&T Mail:  atoscano     
<atoscano@attmail.com>   CIS:   73300,217   ELN: 62306750
Date: Fri, 4 Sep 1992 21:28:49 EST
From: s780961@minyos.xx.rmit.OZ.AU (Wayne Robert Law)
Newsgroups: comp.dcom.telecom
Subject: Re: Telecom Using Power Lines
Organization: RMIT Computer Centre, Melbourne Australia.
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 685, Message 4 of 10

saitowit@underdog.ee.wits.ac.za (SAITOWITZ L S) writes:

> Hi, just a quick question, has anyone ever heard of sending telephony
> down the power lines?

Within Victoria here in Australia, the power authority uses it's high
voltage lines as trunks in it's ETN network.

On it's 500kv, 330kv & 220kv lines rf chokes are used to pass power
but block signals in the range 100kHz to 400kHz. The telephony signals
then appear across capacitive voltage dividers, a tap of which is
isolated and fed from the electrical switchyard to FDM multiplex
equipment. The mux gear is a single channel system.

Each system muxes a 4khz channel made up of a 300Hz - 2.7kHz speech
channel and the balance of capacity is taken up by signalling and
telemetry channels. These channels start at 2820Hz and are spaced
every 120Hz upto 3900Hz. The 3060Hz frequency being used for E/M
signalling.

These telephone trunks are connected to a network of AT&T Dimension
CSS201 PBX's running an adapted software package FP8-SECV which has
been customised to suit some of their operational needs. Two RMATS-1
system are installed to provide maintenance and administration. One in
Morwell and the other in Melbourne.

No doubt other power authorities use similiar systems throughout the
world this should give you some brief details of some of the
possibilities. The power authority also uses carrier quads and optic
fibres imbedded within the earth wire that runs above the lines for
comms as well.


Regards,

Wayne
Date: Tue, 8 Sep 1992 04:11:55 GMT
From: johng@comm.mot.com (John Gilbert)
Newsgroups: comp.dcom.telecom
Subject: Re: Radios in Die Hard
Organization: Motorola, Inc. Land Mobile Products Sector
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 691, Message 9 of 13

My favorites from the Die Hard movies were:

In the first movie where the portable two-way radios talk to the bad
guys inside the building, but when taken to the roof talk to the
police on the same frequency. (These are those fancy full-duplex
two-way radios). Not a very good choice of frequencies by the bad
guys, or very wise placement of voting receivers by the police.

In the second movie in one scene the DTMF keypad activates the
"scrambler code."  In another scene the thumbwheel frequency switches
on top (same radio) are used for this function.

It is always fun to see how many times the actors talk into the wrong
side of the microphone, use a phone without a cord or a radio control
head without any control cable.

Back a few years ago, Motorola made dummy portable radios for
Hollywood.  Just a regular radio, battery and antenna -- minus all the
guts.  Some of the production line workers got autographed pictures of
the cast who used their radios. On the other hand there were other
shows that just stuck a telescopic antenna on a pager for their
two-way radios.


John Gilbert    johng@ecs.comm.mot.com
Date: Wed, 9 Sep 92 02:29 GMT
From: Jeff Garber <0005075968@mcimail.com>
Newsgroups: comp.dcom.telecom
Subject: Re: Modem Noise on Line
Organization: TELECOM Digest
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 697, Message 12 of 13

julian%bongo.UUCP@nosc.mil (Julian Macassey) writes:

> The big question is "Why are people still doing installations
> with quad wire?"

Among other reasons previously cited, quad usually can be easily
obtained in a beige jacket. I recently had a heck of a time trying to
paint the outside jacket of some twisted pair I bought because it was
dark grey.  Some of the wire had to be exposed, and grey would have
stood out too much so I painted it beige to blend better with the
wall. I was really tempted to resort to using the quad instead since
it was already the right color (I have tons of it), but since it was a
fairly long run I decided instead to hassle with painting the twisted
pair.


Jeff Garber <MrFone@mcimail.com>   My opinions are just that.
Date: Mon, 7 Sep 92 15:02:51 EDT
From: sharonk%pelham.UUCP%bnrmtl.UUCP@Larry.McRCIM.McGill.EDU (Sharon Kroo)
Newsgroups: comp.dcom.telecom
Subject: Information Wanted About Clearing Houses
Organization: Bell Northern Research Montreal, Canada.
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 694, Message 13 of 13

Would anyone have some info on clearing houses?

They are used in order to simplify the billing and administration
between various telecommunications service providers.  I know of some
clearing houses in Europe but none in North America.

Any general or detailed info would be greatly appreciated!

e-mail me directly at sharonk@bnr.ca


Sharon


[Moderator's Note: This was previously handled in the USA by a
department within AT&T called 'Separations and Settlements'. Who is
doing it within this country now?   PAT]
From: gtoal@ibmpcug.co.uk (Graham Toal)
Newsgroups: comp.dcom.telecom
Subject: Re: Working Assets Long Distance
Date: 13 Sep 92 20:25:29 GMT
Organization: The IBM PC User Group, UK.
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 710, Message 8 of 11

In article <telecom12.701.3@eecs.nwu.edu> goldstein@carafe.enet.
dec.com (Fred R. Goldstein) writes:

> 1-800-CITIZEN-WITH-AN-X  !

> Never mind that there's no Z on the dial, and that's 14 digits instead
> of seven.  It's just silly.  (And after a few weeks, it dawned on me
> what their real 800 number might be, but it wasn't immediately
> obvious, and I'm not going to dial it.  On principle.)

It takes me two seconds to assume they meant CITIXEN but I'm not going to
dial it either (for different reasons).
Date: Sun, 6 Sep 92 18:28 PDT
From: lauren@cv.vortex.com (Lauren Weinstein)
Newsgroups: comp.dcom.telecom
Subject: Announcing the Internet AUDIOTEX mailing list!
Organization: TELECOM Digest
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 687, Message 2 of 9

Greetings.  This message is to announce the formation of the Internet
AUDIOTEX mailing list.

The AUDIOTEX list is an Internet discussion forum for topic areas
relating to the field of "audiotex" systems.  "Audiotex" is a general
term covering the broad area of telephone-based information systems of
a wide variety of types.  The distinguishing characteristic of an
audiotex system is usually the use of either recorded or synthesized
voice to output information to the user, with either telephone
touch-tone keys or in some cases voice recognition systems being used
for input.  Voicemail systems, information collection/retrieval
systems, and entertainment services are all examples of audiotex
applications.

All aspects of audiotex systems, including currently deployed systems,
research and development issues, user interface design, applications
concepts, security considerations, etc. are valid topics for
discussion in this mailing list.

At the current time, the AUDIOTEX mailing list is a direct
distribution, non-moderated list with very little traffic.  If traffic
becomes considerable the list will probably be converted to a digest
format.

Subscriptions to the AUDIOTEX mailing list are controlled by an
automated "listserv" system.  To get more information about the
AUDIOTEX list, please send a message to:

	audiotex-request@cv.vortex.com

with the line:

	information audiotex

in the BODY of the message (the "Subject" field of the message is
ignored).  To subscribe, please send a message to the same address
above but with the line:

	subscribe audiotex <your full name>

where <your full name> is replaced by your actual name, for example:

	subscribe audiotex Larry Fine

Thanks much!

 --Lauren--
From: lairdb@crash.cts.com
Newsgroups: comp.dcom.telecom
Subject: Re: GTE Community Involvment
Date: 13 Sep 92 18:13:07 GMT
Organization: TELECOM Digest
X-Submissions-To: telecom@eecs.nwu.edu
X-Administrivia-To: telecom-request@eecs.nwu.edu
X-Telecom-Digest: Volume 12, Issue 708, Message 2 of 11

In <telecom12.699.8@eecs.nwu.edu> steven@alchemy.uucp writes:

> Well Mr. Higdon you failed to check your facts on that one.
> For years GTE has supplied its people to work with the LA Raiders on
> its Food Day game. Each year well over 500 GTE people are at the GTE
> sponsered GTE West Golf Classic which is used to support a shelter for
> battered wives. It sponsers Public TV programs and many other local
> community events in its service areas. If you were to contact your
> area public affairs office they could tell you more. 

These poor GTE guys, they can't win for trying.  :-)

Steven, I don't know what John would agree with me, but I'm not
particularly interested in whether or not GTE (or PB) support the
Great Horned Wombat Extinction Drive, or whatever other silly causes
they're spending revenue dollars thay got from *me* on.

What's significant is that PB can provide quality service and support,
24 hours, seven days, midnight on Christmas Eve if you like, and
*still* perform "good works."  First, provide a quality product;
*then* be a "good citizen."

Perhaps if those 500 people (and oodles of dollars) were spent in
support of *customers*, you'd hear fewer quality complaints.


Laird P. Broadfield     lairdb@crash.cts.com    ...{ucsd, nosc}!crash!lairdb