TELECOM Digest     Thu, 9 Mar 95 14:02:00 CST    Volume 15 : Issue 140

Inside This Issue:                          Editor: Patrick A. Townson

    NYNEX Special Contracts Proprietary Treatment (Joe Scotti)
    Call Waiting Purgatory (Robohn Scott)
    NYNEX: Idiocy in Pricing (Chris Labatt-Simon)
    Need Help Getting AT&T 1050 Phone Fixed (David Sheafer)
    Satellite Information Request (Eduardo Kaftanski)
    Callback System Hardware and Software Wanted (Bernardo Lam)
    More Places You Cannot Place 500 Calls From (John Shelton)
    500 NPA Expansion? (Jeff Spidle)
    Book Review: "The Internet Navigator" by Gilster (2nd Ed.) (Rob 
Slade)
    Caller ID Question (gttm@cais3.cais.com)
    Taxing Your Telco Service (Michael Johnson)
    Precision Delay Line Application (Wade Viland)
    Anything Cheaper Than LCI? (Andrew Lewis Tepper)
    Information Wanted About Comstar (Steve Sanders)
    Information Wanted About Geotek Communications Inc. (David Brown)
    Debit Cards for LD Calling (Glenn Foote)
    Information Wanted About Analog Interface Parameters (Eli Cohen)

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----------------------------------------------------------------------

Date: Wed, 8 Mar 1995 17:14:29 -0500
From: joes@auditel.com (Joe Scotti)
Subject: NYNEX Special Contracts Proprietary Treatment


Dear Fellow Telecom Professional:

We are seeking assistance on a very major issue in NH. To be successful 
in
our motion we need unified support from the business community.  Some
background:

We are a telecom company located in Hampstead, NH interest the
deregulation of telecommunications in NH.  After spending 20 years
with AT&T and NYNEX, I started AUDITEL two years ago with the intent
on being the customer advocate.
 
Our motion, is requesting that the PUC lift this restriction and allow
full public access to these special contracts.  It is our belief that
price and industry discrimation has developed of the last year or so
and that is why NYNEX has found this obscure law of privacy!
 
We need public support for this motion to succeed. NYNEX cannot continue
these practices.  I have included a copy of the motion and an example of 
a
letter of support to be sent to the PUC.  

Thanks for your support!!

                   -----------------------------
March 3, 1995


Dr. Sarah P. Voll
Executive Director and Secretary
State of New Hampshire
Public Utilities Commission
8 Old Suncook Road
Concord, NH 03301

Re:  Motion to remove Proprietary Treatment for Special Contracts filed 
by
NYNEX


Dear Dr. Voll:

Enclosed is an original and eight copies of AUDITEL's motion for the
removal of proprietary treatment of all special contracts filed and to
be filed by NYNEX.  Please note that AUDITEL has requested Staff's and
Office of the Consumer Advocate's concurrence.

Please acknowledge receipt of this letter and its enclosures by
signing or stamping and dating the receipt copy hereof and returning
it to me.

Thank you for your attention to this matter.

Sincerely,



Joseph J. Scotti
President


Enclosure

                        ---------------------

STATE OF NEW HAMPSHIRE
BEFORE THE 
PUBLIC UTILITIES COMMISSION

AUDITEL / NYNEX
Proprietary Treatment

MOTION FOR THE REMOVAL OF PROPRIETARY TREATMENT OF ALL PREVIOUSLY
FILED SPECIAL CONTRACTS AND ANY FUTURE CONTRACTS TO BE FILED


Pursuant to PUC 203.04, AUDITEL Inc. hereby moves that all Special
Contracts filed, including DR 95-010, DR 94-276, DR 94-058, DR 93-028,
DR 93-054, DR 92-105 and any future contracts to be filed are made
available for full public viewing under the New Hampshire
Right-To-Know Law, RSA 91A and RSA 378:19.

As grounds for its motion, AUDITEL states as follows:

1.  NYNEX has requested Proprietary Treatment and claims that the
above dockets contain customer specific information and competitively
sensitive data and that this falls within the scope of "confidential,
commercial and financial information" exempt from public disclosure
pursuant to RSA 91-A:5(IV).  It is our belief, the information
contained in the above dockets contain general information pertaining
to the customer locations and line sizes.  This information is
available to any vendor upon the completion of a "letter of agency"
which is signed by the customer.

2. It is our belief, based on working knowledge of the special
contract process and a review of the recent contract with MEDNET
Services that there is no specific client financial information
disclosed in the above dockets.

3. It is our belief that customers who enter into these special
contracts are not aware that NYNEX is requesting Proprietary
Treatment. There is no authorization or awareness of the customer
regarding this.

4. NYNEX is claiming that these dockets contain competitively
sensitive data.  To the contrary, Centrex and ISDN services are only
available from NYNEX in New Hampshire.  There are no competitors
currently offering these services.

5. In accordance with RSA 378:18, we have received written intention
by NYNEX to pursue a special contract for Centrex and other network
services for the Public (K-12) Schools in New Hampshire.  We are
requesting that all special contracts be made available for public
viewing, in accordance with RSA 378:19 to avoid price and industry
segment discrimination.

6. AUDITEL requests that the Commission, Staff, and OCA uphold the New
Hampshire Right-To-Know law, specifically RSA 91-A:4 which states that
"minutes and records of such bodies or agencies are available for
public inspection" and RSA 378:19 which states that "special contracts
be made public in such manner as the commission shall require, and
shall constitute a part of the published schedules of the public
utility making the same".

WHEREFORE, AUDITEL respectfully requests that the Commission allows
full public view of all special contracts previously filed and all
future filings by NYNEX and grant such other relief as is just and
appropriate.


    Respectfully submitted,

    AUDITEL Inc.

    
    _______________________________
    Joseph J. Scotti - President
    AUDITEL Inc.
    213 Stage Road
    P.O. Box 336
    Hampstead, NH 03841
    (603) 329-5000


Dated:  March 3, 1995

                       -------------------------
March xx, 1995


Dr. Sarah P. Voll
Executive Director and Secretary
State of New Hampshire
Public Utilities Commission
8 Old Suncook Road
Concord, NH 03301

Re: Motion to remove Proprietary Treatment for Special Contracts filed
by NYNEX


Dear Dr. Voll:

I am writing this letter as a concerned citizen and businessperson.  I
would like to extend my support for the motion submitted by AUDITEL
Inc. which provides full public disclosure of all "Special Contracts"
filed by NYNEX.  I firmly believe this freedom of information is of
the utmost importance to the businesses and citizens of N.H. to assure
a level playing field and prohibit any possible industry or pricing
discrimination.

If you have any questions, please feel free to contact me at
 ......................................

Sincerely,



AUDITEL Inc.
Joe Scotti
joes@auditel.com
603-329-5000 x22 
"Fiber Keeps You Moving!"


------------------------------

From: Robohn Scott <robohns@bah.com>
Subject: Call Waiting Purgatory
Date: Thu, 09 Mar 95 09:25:00 PST


I had an interesting experience with call waiting last night.  During
a conversation with Mike, he received another call and put me on
"wait" (I guess it's not really on "hold" since it's call _waiting_).
Mike's fairly gregarious and eventually forgot about me, but I was
patient and caught a short piece on Dustin Hoffman being interviewed
by Bob Costas while I waited.

After at least five minutes, I received a call from James, which I
took and put Mike's call on wait.  Well, James received another call
within 30 seconds of our call, so we just said we'd talk later, but he
actually put me on wait also.  So I was in deadlock: Mike and James
both had me on wait.  "I'm connected, but I can't hang up."  I stayed
that way for probably another 10 minutes, switching back and forth
between both waiting calls.  I tried several times to go on-hook for
an extended period of time (approximately 15 seconds), but each time
my phone responded with a single ring.  I suppose this was to remind
me that I had a call waiting.  Thanks alot.

Eventually, James finished his other call and found me still there.
We talked for a bit and then terminated that call.  Then I was free to
hang up on Mike, who I was sure had some emergency at this point, but
he did call back when he was done with his obviously more important
call.

Any similar experiences?  Is there a way to remedy this without
getting three-way calling?  Bell Atlantic is my local service
provider.

BTW, no names were changed because these guys are definitely _not_
innocent.


Scott F. Robohn   robohns@bah.com

------------------------------

From: labatt@disaster.com (Chris Labatt-Simon)
Subject: NYNEX: Idiocy in pricing
Date: 9 Mar 1995 06:35:06 GMT
Organization: D&D Consulting


OK Gang.  

Can anyone tell me the rationale in the following?

Two "FlexPath" T1s composed of 48 DIDs total cost ~$3500/month
(FlexPath is based on mileage and the location is ~2 miles from the
closest switch).

48 standard individual business lines will cost about $1,200/month.

Now, I'd like to know (sarcastically speaking of course) which is more
difficult to install and maintain??  2 Ts or 48 individual jacks/lines?

I can't wait until the LD carries get into the local loop market.

Can anyone out there explain NYNEX's rationale in this?


Chris Labatt-Simon                       Internet: labatt@disaster.com 
Design & Disaster Recovery Consulting         CIS: 73542,2601 
Albany, New York                            PHONE: (518) 495-5474   
                                              FAX: (518) 432-1829 
Subscribe to the Lotus Notes Mailing List (LNOTES-L) - mail for info.. 
For info on D&D, mail to info@disaster.com or http://www.disaster.com
INTERNET/UNIX/NETWARE/LAN/WAN SPECIALISTS AND MORE ALL UNDER ONE ROOF

------------------------------

From: David Sheafer <dsheafer@delphi.com>
Subject: Need Help Getting AT&T 1050 Phone Fixed
Date: Wed, 8 Mar 95 12:33:06 -0500
Organization: Delphi (info@delphi.com email, 800-695-4005 voice)


Hi,
 
I have an AT&T 1050 Business system, which basically compries of one
AT&T 1050 phone and 3 AT&T 1020 phones.
 
My problem is that the 1020 phones are slaves to the 1050 phone which is
the master, and thus will not work w/out the 1050.
 
My problem is the 1050 no longer works, from what I can tell by taking 
it
apart is that the problem is a fuse that is hardwired.
 
AT&T will replace the phone for a $90.00 repair fee and send me a
reconditioned one, (the 90.00 is flat fee).  Does anyone know how the
hardwired fuse could be replaced by myself.  I hate to pay 90.00 for
something that only requires a a part that is going to cost a few
dollars.

 
Thanks for any help.
 
david    dsheafer@delphi.com


[TELECOM Digest Editor's Note: If you have tested the fuse and found
that indeed that is the problem, why not just get in the phone, pull
it out and replace it?  Hardwired or not, that's not such a big deal.
If you feel it might be kind of messy then consider this other possible
way of dealing with it:  Is this fuse for the power supply? Do you know
its rating?  If so, jump the fuse inside -- that is, just solder a wire
around it, bypassing it completely, and install a similar fuse in a 
little fuse holder in that wire instead. Leave it easier to get to in
the event it blows again.  And remember, a fuse that blows repeatedly
is trying to tell you something. DO NOT just jump the fuse out of the
line entirely. You say the fuse is 'hardwired' ... is it similar to
a zenner diode?  PAT]

------------------------------

From: ekaftan@sci.cl (Eduardo Kaftanski)
Subject: Satellite Information Request
Date: Wed, 8 Mar 1995 17:04:17 CDT


I am looking for information about satellite footprints and reception
power. Pointers to books, gopher or WWW servers or such would be
really appreciated.

What I need to do is to listen to an audio channel from a Satellite
for PageSat's newsfeed.


[Begin dreaming part]

I would also like to contact some ISP that would help me get a direct
satellite link with him for IP access, if at all possible.

[End dreaming part]

Many thanks for any answer.


Eduardo Kaftanski  ekaftan@sci.cl

------------------------------

From: blam@panix.com (Bernardo Lam)
Subject: Callback System Hardware and Software?
Date: Wed, 8 Mar 1995 15:06:29 EDT
Organization: PANIX Public Access Internet and Unix, NYC


Hi,

Does anyone know where I can find information about the equipment and
software required for setting up a callback system?


Thanks in advance,

Bernardo Lam

------------------------------

From: John Shelton <jshelton@parcplace.com>
Subject: More Places You Cannot Place 500 Calls From
Date: Wed, 8 Mar 95 6:41:41 PDT


I'm still holding out hope that AT&T will get its 500 service (True
Connections) in high gear soon.  But in the lat 24 hours, I've received 
two disappointments:

* Bell Atlantic called back to say they had made a corporate-wide
decision to DISALLOW 1+500 calling from Bell Atlantic cell phones.
When I had originally called, they thought it was just a programming
problem, and they said they would look into it.

* AT&T will not place calls *to* a 500 number using the Place-a-Call
feature of one's own 500 number.  For example, if I dial
0+500-xxx-xxxx, and enter my own PIN, I have the option of placing a
call.  If I dial 1+500-yyy-yyyy, I get a message saying "You cannot
use your personal number service to call the number you entered" AT&T
customer service had two explanations.  The first was that the number
I was calling was not in service (not true.)  The second explanation
was that they didn't allow calling 500 numbers.  Ahem.


=John=


[TELECOM Digest Editor's Note: They are no idiots. What sort of fools
do you take them for?  You think they are going to allow *you* to run
up *their* phone bill in an uncontrolled way with 500 calls forwarded
all over the universe and you paying only 15/25 cents per minute? They
figure its okay for hotel switchboards to have to eat it now and then,
but not Ma Bell herself! Of course I guess you could say they must know
who you are and have recourse to you since you entered a PIN (unlike
a hotel switchboard where the guests come, and the guests go, and if
you don't get the money before they check out you never will get it),
but I guess they figure its more of a problem with billing than they
want to bother with.   PAT]  

------------------------------

Date: Wed, 8 Mar 95 11:02:31 EST
From: jspidle@VNET.IBM.COM
Subject: 500 NPA Expansion?


What is going to happen after the 500 NPA is exhausted? I have
heard rumour of there being a 522, 533 type of relief. Is this
true?


Thanks,

jeff spidle
ss7 architect and technician
advantis  jspidle@vnet.ibm.com
(708)240-3808


[TELECOM Digest Editor's Note: Oh dear, are we to that point already?
This is going to get crazier and crazier until we reach the point no
one knows quite for sure where they are calling or who they reached.  
PAT]

------------------------------

Date: Thu, 09 Mar 1995 13:28:40 EST
From: Rob Slade <roberts@decus.ca>
Subject: Book Review: "The Internet Navigator" by Gilster (2nd Ed.)


BKINTNAV.RVW  950206
 
"The Internet Navigator", Gilster, 1994, 0-471-05260-4, U$24.95
%A   Paul Gilster gilster@interpath.net
%C   22 Worchester Road, Rexdale, Ontario   M9W 9Z9
%D   1994
%G   0-471-05260-4
%I   John Wiley & Sons, Inc.
%O   U$24.95 800-263-1590 800-263-1590 212-850-6630 Fax: 212-850-6799
%P   624
%T   "The Internet Navigator"
 
There are, of course, a great many Internet guides.  Even if you
include only the longer guides, with resource information and
suggested destinations, I have no less than thirteen on the shelf.
"The Internet Navigator", however, is not on my shelf.  It is on my
desk, constantly.
 
By and large, this is an Internet guide like other Internet guides.  A
bit of an introduction and some history, then coverage of the major
applications (email, ftp, telnet) and the more esoteric ones (gopher,
WAIS, World Wide Web).  Right from the front cover, though, Gilster
avoids the "whole Internet" bias of so many guides and aligns himself
with the dial-up user.  There is, in fact, a whole chapter devoted to
the use of email to access Internet resources; particularly useful to
those on commercial online services, business "mail only" connections
or Fidonet.
 
There is, perhaps, no one specific that sets this among the top four
books that an Internet user must have.  It is more a matter of tone
and completeness.  Gilster is friendly without being sarcastic; mature
without being dictatorial; explanatory without being verbose; and
comprehensive without being in any way boring.
 
It is, of course, very much easier to point out the flaws.  Although
Gilster explains "why UNIX," there is a heavy emphasis on the specific
commands of mail, trn, elm and other UNIX specific programs.  (In the
chapter on email access to resources, Gilster has improved the earlier
emphasis on CompuServe.)
 
In spite of minor shortcomings, however, this book has a very
comfortable feel to it.  The material is clear and well-written, with
little attempt at the sarcasm or barbed wit of some other beginner
materials.  One positive factor may be the grouping of functional
items together, so that archie, for example, is covered in the chapter
on ftp.  There is only one icon; a very helpful little ship which
points out Internet accessible resources for the item under
discussion.  The bibliography is, perhaps, more exhaustive than
useful.
 
Overall, I highly recommend this either for the beginner to the
Internet, or as a very helpful reference for the seasoned Internaut.

 
copyright Robert M. Slade, 1994, 1995   BKINTNAV.RVW  950206. 
Distribution
permitted in TELECOM Digest and associated publications. Rob Slade's
book reviews are a regular feature in the Digest.


Vancouver      roberts@decus.ca       
Institute for  Robert_Slade@sfu.ca    
Research into  Rob.Slade@f733.n153.z1/
User                 .fidonet.org     
Security       Canada V7K 2G6         

------------------------------

From: gttm@cais3.cais.com (USCG TELECOMMS)
Subject: Caller ID Question
Date: 8 Mar 1995 15:17:01 GMT
Organization: Capital Area Internet Service info@cais.com 703-448-4470


In Caller ID the privacy indicator can be overridden on 911, 800, and
900 calls.  We understand that 911 is ANI-based and 800/900 is
SS7-based.  Is it technically feasible to override the privacy
indicator to calls placed to a public agency's emergency seven-digit or
ten-digit emergency number (non-911, non-800, non-900)?  If not, what
would be required to make this feasible?  Please reply to gttm@cais.com.


Telephone: (202) 267-2860         U.S. Coast Guard (G-TTM) 
Fax:       (202) 267-4106         Washington DC 20593      
Internet:      CGComms/g-t07@cgsmtp.comdt.uscg.mil         


[TELECOM Digest Editor's Note: Nope, not possible. Not at least
without a massive lost of trust by the public in what telephone
privacy is available. That is the purpose of 911: Emergency calls are
to be placed to that number. *Non-emergency* calls are NOT to go to
911. 911 is to be used for dire emergencies requiring immediate
intervention by the police/fire/medical people. If your call is a
bonafide emergency then I can't imagine you would not want want your
identity and whereabouts knowm. Your car was stolen yesterday or you
want to report an offense you saw a couple hours ago?  Those are not
emergencies.  They should go to your administrative seven digit
number. But here is a secret for you: Equip all those phones wth
Caller-ID and display units.  *Never* admit to (or tell anyone) having
it. 99 percent of the population is not sophisticated enough to block
their ID anyway and you will wind up getting most all numbers.  PAT]

------------------------------

From: mwjohns@freenet.columbus.oh.us (Michael Johnson)
Subject: Taxing Your Telco Service
Date: 7 Mar 1995 23:10:19 -0500
Organization: The Greater Columbus Freenet


Ask your long distance provider or your cellular company or pcn or pcs
to itemize and explain for you how they are taxing your calls.  I
think you will find it all very interesting.


[TELECOM Digest Editor's Note: Indeed you will. Even local telco service
has tax piled on top of tax ... federal, state, local, others. And if
you are a bureaucrat at heart, and love mountains of paper and 
regulations,
then get a job in the tax accounting department at any large telco, or
maybe even at AT&T.  For example, Ameritech alone has to deal with 
several
*hundred* taxing agencies; each with their own tax rates; each with 
their
own ideas of what should be (most everything) and should not be (very 
little of anything) taxed.  We had a fiasco here here a few years ago 
involving tax on pay telephone calls. The city of Chicago wanted a 
certain
tax on payphone calls; the suburbs wanted a different tax on their pay-
phones. Both taxes amounted to a couple cents per call. Since you cannot
put pennies in the payphone, (then) Illinois Bell got a ruling that the
tax could be calculated by taking the total amount of payphone calls in
a year, figuring the tax on the total, and prorating it among all 
customers
in their monthly phone bills. Even after getting that ruling, they got
sued in a class action and lost. So all the residence subscribers got a
refund of a few cents on their bill and all the payphones had to be
raised to 30 cents per call. The call actually costs 25 cents, with (get
this!) one penny going to the refund that was given to subscribers; two
pennies going to the government to make up for taxes not collected by
the formula earlier established; one penny going to pay for the current
taxes, and one penny for administrative costs. 

Everyone screamed about how Illinois Bell was committing robbery by
'raising the cost of a payphone call' to 30 cents, but IBT had no choice
in the matter at all. Now as those pennies accumulate (the amount of
the refund they gave everyone has been paid off and most of the old
tax bill) they are reducing the payphone charge to 25 cents again on
a suburb by suburb basis. I think Chicagoans still pay 30 cents for
a payphone call while we here in Skokie pay 25 cents. Yesiree, telco
tax accounting ... its a wonderful place to work and a wonderful thing
to try and figure out. By all means, ask for a breakdown; you will be
amazed. At least here, they don't pay fractions of a penny to one agency
and fractions of a penny to another; there is a central thing called
the Cook County Collector (another bureaucratic maze) and they get all
the pennies; they divide them up among the agencies, etc.   PAT]

------------------------------

From: Wade Viland <tft2@ic.mankato.mn.us>
Subject: Precision Delay Line Application
Date: 8 Mar 1995 04:25:29 GMT
Organization: Internet Connections, Inc.  (507) 625-7320


I would appreciate responce regaurding possible appliations for a
passive delay line chip I am currently developing.  The device is
designed in a 1210 format (3.2mmx2.5mm) utalizing a combination of
microstrip and coplanar technologies.  The characteristic impedence is
50 ohms with time delays from 0-200ps in 20ps steps.  Insertion loss
to 1.3Ghz is less than 0.5dB.  I stopped here because of equiptment
limitations, it appears it would perform to much higher frequencies.

Any ideas as to how this device might be used in either an analog or
digital envirnoment would be greatly appreciated.  It seems that such
a device might provide a solution to MCM timming.  Or perhaps a low
power RF application in the SHF band.

Thanks for reading.


Wade   tft2@ic.mankato.mn.us

------------------------------

From: Andrew Lewis Tepper <at15+@andrew.cmu.edu>
Subject: Anything Cheaper Than LCI?
Date: Tue,  7 Mar 1995 23:40:02 -0500
Organization: Administrative Computing & Info Services, Carnegie Mellon


Right now I'm using LCI for LD service. I've heard of two services
that may be cheaper, but each had a catch of some kind. Recently LCI
increased their rates in a sort of sneaky way and I'm looking to
switch:

Before:

  Day:           17c/min, 6 second increments
  Night/Weekend: 13c/min, 6 second increments

Now:

  Day:           17c/min, 6 second increments, 18 second minimum
  Night/Weekend: 13c/min, 6 second increments, 18 second minimum

I'm not sure what category evening calls fall into. Is there a company
that does strictly 6 second increments (most important), with lower
day rates (2nd most important), and lower Night rates (least
important) ?  Also, I'm looking for an 800-number provider that is
cheaper than Sprint, but will let me keep my current number.


Andy

------------------------------

From: sanders@tellabs.com (Steve Sanders)
Subject: Info Wanted About Comstar
Organization: Tellabs, Lisle,IL
Date: Wed, 8 Mar 1995 13:50:55 GMT


I'm trying to get some information for my brother who is currently
teaching English in Moscow.  He has a job possibility with a British-
Russian joint telecom company called Comstar.  He'd like to get more
info on the company, so I'm trying to help him out.  If you know
something about "Comstar", could ya drop me a line?


Thanks,

steve   sanders@tellabs.com

------------------------------

From: davidb@qpsx.oz.au (David Brown)
Subject: Information Wanted on Geotek Communications Inc
Organization: QPSX Communications Ltd
Date: Thu, 9 Mar 1995 07:17:07 GMT


Hi, anyone from Geotek on the net?

Or anyone else have contacts for Geotek, in Montvale, NJ or 
Philadelphia? 
(prefer email/fax details)

Geotek are supposed to be offering local area frequency hopping 
voice/data 
radio comms, not quite telecom but sort of related I guess.


Thanks,

David Brown, QPSX Communications Ltd
33 Richardson St, (Private Bag No. 24), West Perth 6005, Western 
AUSTRALIA
Tel: +61 9 262 2218  Fax: +61 9 324 1642  Email: davidb@qpsx.oz.au

------------------------------

From: glnfoote@freenet.columbus.oh.us (Glenn Foote)
Subject: Debit Cards for LD Calling
Date: 9 Mar 1995 02:39:46 -0500
Organization: The Greater Columbus Freenet


I am looking for companies who provide Debit "Pre Paid" Long Distance
Calling cards.

If you know of any, please send names and telephone numbers by E-Mail.


Thanks,

Glenn L Foote   glnfoote@freenet.columbus.oh.us

------------------------------

Date: Thu, 9 Mar 95 11:02:01 IST
From: elic@lannet.com (Eli Cohen)
Subject: Information Wanted on Analog Interface Parameters


I'm looking for information in the form of articals research papers etc.
on the topic: Analog Interface Parameters.

The parameters I'm looking for (such as Line Impedance, Dial Tone,
Cadences, etc.) should be categorized be country of origin.

Thanks for your help.


Eli Cohen   elic@lannet.com

------------------------------

End of TELECOM Digest V15 #140
******************************


