TELECOM Digest     Tue, 10 Jan 95 02:23:00 CST    Volume 15 : Issue 18

Inside This Issue:                          Editor: Patrick A. Townson

    GSM Cellular Operators List (Robert Lindh)
    Looking For a CE3 Interface (34 MB/s Euro Std) (Gianni Paglia)
    Used Phone Systems and Parts - Want to Buy (David M. Russell)
    800 Numbers and Caller ID? (Glenn Foote)
    Standard Voice Recording/Sheila Andersen? (dan@decode.com)
    Source Code For Audio-Voice Modem Programming? (dan@decode.com)
    First NNX Area Code Officially in Service is 630? (Carl Moore)
    Looking for C7 Information (seen@ripco.com)
    Some Questions About the LDDS Calling Card (Yeechang Lee)
    Cellular Phone Technology (Stan Brown)
    Correction: Communications FTP Server in Australia (Iaen Cordell)
    Congresspersons Interested in Telemarketing Policy? (Anthony E. 
Siegman)
    Wanted: Info on Fax/Modem Hookup For Motorola Lazer Cell Phone (M 
Chapman)
    Video Servers (Alwin Mulder)
    Is TeleScript Already Available? (Paul Boots)
    Looking For Areacode Program (Al Cohan)
    911 Providers: Watch For 912 Calls (Scot E. Wilcoxon)
    Re: Noise Introduced by Bit-Robbing? (Rick Duggan)
    Re: Finland Data Transmission (Kimmo Ketolainen)
    Re: MANs in USA (Chuck Poole)
    Multiple ESN's per NAM (Chris J. Cartwright)

TELECOM Digest is an electronic journal devoted mostly but not
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----------------------------------------------------------------------

From: etxlndh@eos99.ericsson.se (Robert Lindh)
Subject: GSM Cellular Operators List
Organization: Ericsson Telecom AB
Date: Mon, 9 Jan 1995 15:11:07 GMT


Australia    Optus
             Vodafon
Belgium      Belgacom
Denmark      Tele Danmark
             Sonofon
Estonia      EMT
Finland      Telecom
             Radiolinja
France       Telecom
             SFR
Germany      D1, DeTeMobil
             D2, Mannesmann
G Britain    Cellnet
             Vodafon
Greece       Panafon
             STET
Holland      Telekom
Hong Kong    Smartone
Hungary      Pannon
             Westel
Iceland      Telekom
Ireland      Telecom
Italy        SIP
Luxemburg    Telekom
Norway       Tele-Mobil
             Netcom
Portugal     TMN
             Telecel
South Africa MTN
             Vodacom
Sweden       Comviq
             Europolitan
             Telia
Switzerland  Telekom
Turkey       Turkcell
             Telsim

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

From: paglia@mln.mts (gianni.paglia)
Subject: Looking For a CE3 Interface (34 MB/s Euro Std)
Date: 9 Jan 1995 13:59:17 GMT
Organization: Digital Equipment Corporation
Reply-To: paglia@mln.mts (gianni.paglia)


Hello,

 I'm looking for a Channelized E3 interface (34 Mb/s European
standard) for PCI, ISA or VME bus.

The interface board I need should have a 34 Mb/s E3 output, with
multiplexed E1 channels (@ 2.0Mb/s) individually accessible from the
board driver.

I would like to know if an interface of this sort is commercially
available.


Thanks a lot for your info.


Gianni Paglia   Digital Equipment SPA - Milano (Italy)
E-mail: gianni.paglia@mln.mts.dec.com

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

From: itelecom@bilbo.pic.net (David M. Russell)
Subject: Used Phone Systems and Parts - Want to Buy
Date: 9 Jan 1995 17:42:47 GMT
Organization: Integrity Telecommunications


I buy used phone systems and parts. Please fax inventory to
214-357-7485.  My voice number is 214-357-7484 if you need assistance.

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

From: glnfoote@freenet.columbus.oh.us (Glenn Foote)
Subject: 800 Numbers and Caller ID
Date: 9 Jan 1995 13:44:24 -0500
Organization: The Greater Columbus Freenet


Can someone explain IF, not why, full telephone numbers of people
calling 800 numbers are shown (either on the bill, or as part of the
call) to those who OWN the 800 numbers?


Many thanks, 

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


[TELECOM Digest Editor's Note: The answer is yes. People who have 800
numbers receive the ANI -- not the Caller-ID, although the resulting 
data
output is almost always the same -- of the calling party, regardless 
of
whether or not the calling party blocks their ID. Either they get it 
in
real time (that is, as the call is in progress) or on a delayed basis
with their monthly billing. The reason for this is the company or 
person
paying for the call has a right to know what they are being required 
to
pay for. Do not have privacy expectations when dialing an 800 number.  
PAT]

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

Subject: Standard Voice Recording/Sheila Andersen?
From: System Operator <system@decode.com>
Date: Mon, 09 Jan 95 12:49:20 EST
Organization: Decode Systems


Stephen Tihor <TIHOR@ACFcluster.NYU.EDU> writes:

> I am trying to find in the archives the reference to the woman who 
did
> various of the standard voice recordings.  I recall reading the
> article some time back but am having little luck finding it in the
> archives.  Can anyone supply a pointer.  The name "Shiela Andersen"
> probably misspelled was suggest to me by someone but I want ot check
> the archives for the Straight Dope. :)

The January/February 1995 issue of _Health_ magazine has an article
beginning on page 38 entitled "What Your Voice Says About You."  In
it, the author describes meeting Joan Kenley, the telephone lady, who
"is the digitized operator of directory assistance in most cities and
towns from Spokane to Savannah."  She is also the voice that instructs
"The number you have dialed is not in service.  Please check the
number and try again."  She is 53 years old and lives near Oakland,
California.


system@decode.com (System Operator)
Cryptography, Security, Privacy BBS  +1 410 730 6734   Data/FAX

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

Subject: Source Code For Audio-Voice Modem Programming?
From: System Operator <system@decode.com>
Date: Mon, 09 Jan 95 13:02:27 EST
Organization: Decode Systems


Hello,

I'm looking for any sample or public domain source code used to
control an audio-voice (AT+FCLASS 8) modem used in any kind of
interactive application.

Any pointers to FTP sites, etc, would be appreciated.


Dan   dan@decode.com
system@decode.com (System Operator)
Cryptography, Security, Privacy BBS  +1 410 730 6734   Data/FAX

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

Date: Mon, 9 Jan 95 15:53:47 EST
From: Carl Moore <cmoore@ARL.MIL>
Subject: First NNX Area Code Officially in Service is 630?


Mail to the digest indicates that area 630 (an overlay on 312 and 708,
at least for now) is the first NNX area code to go into service.  334
in Alabama and 360 in Washington state are to kick in Jan. 15.


[TELECOM Digest Editor's Note: Yes, but as noted yesterday in the 
Digest,
don't expect a lot of activity in that code for a few months. It was 
to
be an overlay only for wireless users, but now the wireless carriers 
are
fighting with Ameritech to get 630 distributed equally over the entire
312/708 region, with wireline users included. Ameritech says 630 will
'eventually include some wireline users' in the next year or so. No 
one
knows for certain yet just what all will be included.  PAT]

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

From: seen@ripco.com (seen)
Subject: Looking For C7 Information
Organization: Ripco BBS, Free Trial account (312) 665-0065
Date: Mon, 9 Jan 1995 21:15:52 GMT


I am looking for any information on CCITT #7. If you have any
tutorials or texts, please let me know!


seen@ripco.com

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

From: ycl6@sawasdee.cc.columbia.edu (Yeechang Lee)
Subject: Some Questions About the LDDS Calling Card
Date: 9 Jan 1995 23:27:04 GMT
Organization: Trilateral Commission, Columbia University student 
chapter
Reply-To: Yeechang Lee <ycl6@columbia.edu>


Well, I got the fabled LDDS calling card in the mail.  You know, the
one its salesmen annoy people in every newsgroup with ads about?  It
_is_ supposed to have much better rates than my AT&T or Sprint cards,
and I guess I'll find out as soon as I need to use it.

Anyway, a few questions:

a) All I got in my envelope was the card (in a paper carrier).  No
brochure w/rates or anything.  I sorta know the rates but would have
liked a paper reference.  Was there something missing?

b) My card has the logo of "American Travel Network" on the
upper-right-hand side.  I also hear "Metromedia" associated with the
LDDS name, but it doesn't appear on the card.  Who's ATN, are there
different versions of the card, and if so are there different rates?


Anyway, thanks!

Yeechang Lee  (ycl6@columbia.edu)|Nevada Las Vegas Mission Jul'92-'94
Columbia University/New York City|Celestial Kingdom through Taco Bell

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

From: stanb@netcom.com (Stan Brown)
Subject: Cellular Phone Technology
Organization: NETCOM On-line Communication Services (408 261-4700 
guest)
Date: Mon, 9 Jan 1995 17:02:01 GMT


 Having recently acquired a cellular phone, I suddenly find
myself curious about how the systems operate.  Could someone point me
to a good reference on the operation of cellular systems?  I am
particularly interested in the technical side (not economics) of
roaming, and follow me.


Thanks,

Stan Brown     stanb@netcom.com    404-996-6955
Factory Automation Systems   Atlanta Ga.

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

From: iaenc@sydney.DIALix.oz.au (Iaen Cordell)
Subject: Correction: Communications FTP Server in Australia
Date: 10 Jan 1995 13:18:36 +1100
Organization: DIALix Services, Sydney, Australia.


Please note:

The FTP address in Australia is: happy.dotc.gov.au --  not 
happy.doc.gov.au.
                                       ^^^^                      ^^^

iaen cordell [bad typing can create lots of e-mail]

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

Date: Mon, 9 Jan 95 20:08:12 PST
From: Anthony E. Siegman <siegman@EE.Stanford.EDU>
Subject: Congresspersons Interested in Telemarketing Policy?


   Are there any members of the current Congress who are particularly
concerned about telemarketing policy (in particular policies or 
legislation 
for controlling its use)?

   If you email responses to siegman@ee.stanford.edu I'll summarize.

   Thanks much.

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

From: Mike Chapman <mike@chimera.med.virginia.edu>
Subject: Wanted: Info on Fax/Modem Hookup For Motorola Lazer Cell 
Phone
Organization: University of Virginia
Date: Mon, 9 Jan 1995 16:59:49 GMT


I got a Motorola Lazer pocket cell phone hoping to use it with my
notebook, but when I asked how much the device to do this costs, I was
very shocked to find that it was almost $300!!

Is this price ridiculous?  Is there a cheaper place to get the
Motorola device?  Are there any other options?  


Thanks!

mike@chimera.med.virginia.edu    mike%doxy@virginia.edu  

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

From: alwin@ec.ele.tue.nl (Alwin Mulder)
Subject: Video Servers
Date: Mon, 9 Jan 1995 09:47:30 GMT
Organization: Eindhoven University of Technology


Hello, 

I am a graduation student at the University of Technology at
Eindhoven, and I am working on a VOD project. I was wondering if
anybody could tell me where I could find some information on
video-server-systems. Are there any specific newsgroups and/or
WWW-pages?


Thanks in advance, 

Alwin Mulder



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

Date: Mon, 9 Jan 1995 12:42:22 +0100
From: paul@gig.nl (Paul Boots)
Subject: Is TeleScript Already Available?


Hi all,

Would there be anybody who can tell me if TeleScript is allready
available.  I heard and read a lot about it and I would love to get
hands-on experience.

So far all my inquiries at several companies produced no answer.


Thanks,

Paul Boots  (paul@gig.nl)

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

From: ac554@lafn.org (Al Cohan)
Subject: Looking for Areacode Program
Reply-To: ac554@lafn.org (Al Cohan)
Date: Tue, 10 Jan 1995 00:15:01 GMT


I used to have an areacode/zipcode/V&H/Lat.& Lon. lookup program.
Now, I can neither find it or remember where I got it. It was a
massive 700K+ program in .zip format.

If anyone can be of assistance, I would surely appreciate it.


Thank you,

Al

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

From: sewilco@fieldday.mn.org (Scot E. Wilcoxon)
Subject: 911 Providers: Watch For 912 Calls
Date: 9 Jan 1995 22:14:43 -0600
Organization: FieldDay


The FOX TV show "The Simpsons" tonight had a joke where the punch line
was that for better service, call the secret emergency number 912.

As has been reported before, some older switches will connect to 911
when "91x" is dialed.  Those readers who are involved in operating 911
centers might like to know this explanation if you notice a spike in
hangup and other no-service calls. 


Scot E.  Wilcoxon  sewilco@fieldday.mn.org  +1 612 936 0118

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

From: duggan@cc.gatech.edu (Rick Duggan)
Subject: Re: Noise Introduced by Bit-Robbing?
Date: 9 Jan 1995 18:25:07 -0500
Organization: College of Computing


In article <telecom15.14.4@eecs.nwu.edu>, sohl,william h 
<whs70@cc.bellcore.
com> wrote:

> In article <telecom15.11.6@eecs.nwu.edu>, Matthew P. Downs 
<mpd@adc.com> 
> wrote:

>> Unless you use ISDN, you are using robbed-bit signalling between 
your
>> premise and the Central Office. Unless like a previous poster had
>> stated, the robbed bits only become important during call set-up 
and
>> tear-down.  Ie. going on-hook and off-hook.  Otherwise the robbed 
bits
>> will be 1's.

In a sense, the robbed bits are only important during call set-up and
tear-down.  However, since (a) we don't know when set-up/tear-down
occurs and (b) we don't have control over where our PCM data goes, we
can't use those bits at all.  Which gets back to why it's called
robbed-bit signaling in the first place.  Their presence still affects
the bandwidth that can be obtained.

> If we are only talking about analog modems then the premise to 
Central
> Office is probably not a DS0 channel, but rather a two wire circuit 
... 
> and if the premise to the central office is an analog two wire 
circuit, 
> then there is NO bit-robbing from the premise to the Central Office.

I disagree.  Even assuming analog modems, the presence of a digital
loop carrier in the path between the subscriber and the CO will likely
mandate the use of robbed bit signaling.  TR57 and TR08 both specify
robbed bit signaling formats, and I'm pretty sure both types of
interfaces are still in use today.  I think even TR303 uses RBS for
call progression.

> It is, therefore, quite possible with today's trunking network to 
have
> an end-to-end analog phone call (both ends are two wire, 
conventional
> POTS lines) and the entire interoffice trunking for the call 
consisting 
> of 64 clear trunking (i.e. no robbed-bit signaling trunking at all).
> As the network continues to evolve, that will be more and more the
> likely connection until, at some future time, all robbed-bit 
trunking
> is gone.

I don't think we're necessarily talking about RBS on the trunking, but
on the subscriber line from the CO to the remote digital terminal.  I
think, in fact, that an RDT is a lot more likely these days than a
pure analog connection from premises to CO.  I do agree with you that
we are on the way to 64 clear all the way around.


Rick Duggan - duggan@cc.gatech.edu -or- rduggan@bnr.ca
Member of Scientific Staff at BNR    OPC Software Development

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

From: Kimmo.Ketolainen@utu.fi (Kimmo Ketolainen)
Subject: Re: Finland Data Transmission
Organization: Turun yliopisto - University of Turku, Turku, Finland
Date: Mon, 9 Jan 1995 23:32:58 GMT


jackp@telecomm.admin.ogi.edu (Jack Pestaner) wrote:

> We have been communicating to a site in Finland with autoranging 
14.4k
> modems.  On a good day we can run at 9600, but typically at 2400.

I'd suggest using the Internet for doing file transfer. Internet
connections are available in most cities in Finland by Telecom Finland
and the co-operating local companies of Telegroup of Finland.


Kimmo Ketolainen University of Turku     home +358 21 237 8227
Kimmo.Ketolainen@utu.fi           shoe +358 40 500 2957
FIN-20540 Turku                          work +358 21 262 1496

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

From: inrworks@gate.net (Chuck Poole)
Subject: Re: MANs in USA
Date: Mon, 9 Jan 1995 09:33:23
Organization: Voiceware Systems, Inc.


> I need some help in getting info about Metropolitan Area Networks 
> in USA. The questions are:

> 1. What is the physical structure of MANs (fiber, coax)?

They are always constructed of fiber.

> 2. If fiber what is the protocol (fddi, atm)?

Both of these protocols are used, many times on the same network.  
These 
are both emerging standards (in the scheme of things).  

[From Newton's Telecom Dictionary (ISBN 0-936648-47-3)   216-691-8215 
]

"FDDI is a 100 Mbps fiber optic LAN.  It is an ANSI standard.  It uses
counter rotating token ring topology."  This is a topology that is
primarily used to connect servers together (data only).

"... FDDI-II allows portions of the 100Mbps bandwith to carry low
delay, constant bit rate, isochronous data like 64Kbps telephone
channels."  This would allow for voice/video applications.

"ATM.  Very high speed telecom transmission technology.  ATM is a high
bandwidth, low delay, packet-like switching and multiplexing
technique." ..  "The CCITT has selected ATM as the future broadband
network..."  I could not find specs on the actual speed, but it would
not appear to matter as ATM divides its' data into 53 bye "cells" and
throws them onto the pipe (whatever the speed it may be).  Ofcourse,
you could run into a problem trying to run too much video/voice/data
if your pipe is not big enough.

> 3. Who is the main investor (banks)?

Governments, Commercial fiber owners (like MFS, AT&T, SPRINT), Joint
Ventures, etc.  Banks would usually just be a large customer.

> 4. Does banks use MAN for data transmission? 

Banks use different means to transmit different data.  There are
established packet switched data networks for wire transfers.  Usually
point to point data circuits are used between branches.

> 5. What services are provided, and which are most popular?

In addition to all voice/data services, the sky's the limit!  Video,
Interactive services, and many more.


Hope this helps,

Chuck Poole   Voiceware Systems, Inc.  407-655-1770  X14

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

From: dsc3cjc@imc220.med.navy.mil (Chris J. Cartwright - ELF)
Subject: Multiple ESN's per NAM
Organization: National Naval Medical Center
Date: Mon, 9 Jan 1995 14:01:57 GMT


On my way home last night I called Cell One from my carphone about a
minor service problem that I wanted to clear up.  While on hold for
ten minutes ( :(, at least the air time was free) I was pitched an ad
for FlexPhone.  It sounded like they were talking about multiple ESN's
per NAM and since I also have a hand held it was a good match for what
I wanted the phones to do since I got them two years ago.  Wasting no
time I stopped at the Cell One office before I got home.  The ad was
true!  Cell One in Maryland is now offering up to three ESN's per NAM.
The details are:

CellularONE (SID 00013/0000D, 301-742-XXXX)

- Two ESN's on one NAM    $17.95/mo + reg. service price;
- Three ESN's on one NAM   29.95/mo + reg. service price;
- Activation within a minimum of 48 hours (yet to be seen);
- Only the "primary" ESN can roam (??);
- All calls are billed to a single number and no determination is made 
as
  to which phone placed the call.

The above comes from the one page sheet I filled out at the office.
It contains very little information over what you supply, ESN, MIN,
Name, etc.  and none of the *legal speak* I would expect on the back.
What I found out by talking to the rep is that I was the first in
their office to sign up <sigh> and that if both phones are on at the
same time whichever one rings is the one that gets the call (no
kidding!).

I find this more than interesting since last week I talked with BAM
about switching both of these phones and getting a single number for
both.  The tech was very good about telling me what I *could* ;) do to
accomplish this but the BAM party line is that two ESN's per NAM is
forbidden in the Atlantic corridor (DC to Boston) because of the
concerns about fraud.

My FlexPhone service won't be enabled until Monday so I'll have to
wait and see how it works before I give any kind of report.  I do a
fair amount of interstate traveling so I should have an answer on the
roam for secondary ESN's in short order.  Reading through back issues
I've seen this mentioned from time to time as a technical discussion
but this is the first time I've seen it available as a service.


Chris Cartwright, Technical Engineer 
E-Mail  dsc3cjc@imc220.med.navy.mil  
C-Serve 71614,2441                                


[TELECOM Digest Editor's Note: Having two or more phones on the same
number *used to be* a technical problem for carriers. If anyone else 
over
on the east coast tries out this new arrangement and wishes to report 
on
it to the Digest, I'm sure others will appreciate your report.   PAT] 

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

End of TELECOM Digest V15 #18
*****************************

                                                                                                                  
