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+ Techno World Inc - The Best Technical Encyclopedia Online! » Forum » THE TECHNO CLUB [ TECHNOWORLDINC.COM ] » Techno Articles » Communication
  Protect your phone conversations with a phone scrambler
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Author Topic: Protect your phone conversations with a phone scrambler  (Read 624 times)
Daniel Franklin
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Protect your phone conversations with a phone scrambler
« Posted: October 10, 2007, 01:26:47 PM »


Why a phone scrambler? The Threat...

If someone is actively targeting you, attempting to gather information
or whatever purpose, it is almost guaranteed that your cordless and
cellular telephone conversations are being listened to using some type
of ' spy equipment '.

And it is likely that there will be an effort to tap your hard-wired
telephone as well - (more on that in a bit).

If you are using a digital cordless phone with spread spectrum
technology, you can be fairly confident that the signal between the
handset and the base isn't being monitored.

However...

Once your cordless phone sends a signal from the base down the
telephone line, you no longer have a digital spread spectrum signal.

The Solution
With this in mind, you may wish to install a phone scrambler, on your
line to secure your sensitive cordless and regular phone
conversations. Doing so will prevent any casual listener from
monitoring your conversations.

And depending on what type of telephone voice scrambler you use, it
may prevent even Big Brother from making sense of youre telephone
calls.

Once available only to the military an government agencies, the very
best units (such as the STU-III), costing just a few thousand dollars
each, are available to the commercial market.

Phone scramblers may be divided into the following broad categories:

Frequency Inversion
The simplest form of scrambling - it inverts the high and low points
in the signal.

If you are simpy trying to keep someone from listening in on your
conversation on an extension, this type of phone scrambler will work
but anyone who puts any effort into defeating the frequency inversion
will have little trouble doing so.

Rolling Code
This one takes frequency inversion and add an additional function so
that the pivot point around which the frequency is scrambled is
continuously changing.

This makes decoding of the signal much more difficult.

By using a rolling-code phone scrambler you will secure your
conversations against any casual listeners, criminal eavesdroppers,
and local investigators and law enforcement agencies.

These units are in about the same price range as the basic
frequency-inversion ones.

Digital Encryption
Digital scramblers are the most secure and the most expensive. These
units are used by the military and government agencies - and they
start selling for 1500$ +.

If you are concerned about having your phone calls intercepted by
government agencies or are afraid of industrial espionage, digital
encryption is the answer.

But for most of us the sensitivity of our conversations does not
require this level of security and the associated expense.

Please Remember...

It is important to remember that you must have a phone scrambler on
each end of the conversation - and that scrambling your voice on the
telephone line does not defeat an eletronic listening device that is
placed to intercept room audio.

Articles Source - Free Articles
About the Author

Max Penn shows you how to find the "goods" on anyone using surveillance equipment. To learn more on how to find anything on anyone you can go to spy equipment now

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