When they do a diag, they send patterns of ones and zeros through a TBird in my experience. I am not sure of all the Tbird models, but I have yet to see one that allows tapping a particular channel on a TS3. Most of the Tbirds I have seen do not even have DS3 coax inputs and the ones that do probably cost over $10,000 which does restrict who can purchase it by price alone.

Like I said, the previous poster said "PSTN is not tamper proof, it's very easy to add a tap to almost anyone's house". While I know it is possible to obtain such equipment, it is not easy and not inexpensive. It is especially not, "very easy".

The comparison was between POTS and digital. Totally oranges to apples. When you take the time to read the entire thread, then it makes more sense. I am only top posting because that has been the trend in this thread but for the lazy, statements can be taken out of context.
Thanks,
Steve

[EMAIL PROTECTED] wrote:
Steve,

What do you think the local telco does everytime they have to do a diag on your circuit.  
Do you think the equipment to do that is somehow "restricted" in who can 
purchase it?  How do you think CALEA requests are handled.  If you think that you are 
magically protcted because there are more bits on the line (and a DS-3 is no longer a 
high-cap circuit) then you are mis-informed.

Chris
Sent via Blackberry
-----Original Message-----
From: Steve Totaro <[EMAIL PROTECTED]>
Date: Fri, 08 Dec 2006 15:47:18 To:Commercial and Business-Oriented Asterisk Discussion <[email protected]>
Subject: Re: [asterisk-biz] NuFone comes through

I would like to see you "tap into" my T3.

Harry McGregor wrote:
Hi,

For some reason, everyone freaks out when something touches TCP/IP or
the internet.

PSTN is not tamper proof, it's very easy to add a tap to almost anyone's
house.

I dealt with a credit card company recently (HSBC) that when you sign up
for web access to your account (with SSN, billing zip, and card number),
they insist on mailing you two letters, one with a temporary username,
and another with a temporary password, to your billing address.

If you called the number on the back of the card, you could get balance
info, purchase info, etc, all from the automated voice system.  All you
needed was the card number, and the billing zip code.  No last 4 of the
ssn, nothing.  They want to look like they are being secure for
"internet" banking, but good old bank by phone, well no one really cares
about that.

I would far prefer encrypted VoIP, or VoIP on a dedicated Vlan over
copper interconnects that are easily tapped within a building.

VoIP telco connects I still not sure about, but even that, if encrypted,
I can't see it as being any less secure than PSTN connectivity.

                                              Harry


Mike Hammett wrote:
Well, does HIPPA go into how Verizon, AT&T, Embarq, mom&pop, etc.
run\operate their telco?  If your client is passing off to a telephone
provider, does it matter what happens from there?


----
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com


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