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VoIP A Global
advertised as the biggest thing to hit the telecommunications
market since the invention of the cellular telephone, but what
is VOIP, how does it work and is it really that revolutionary?
VOIP is an acronym for Voice Over Internet Protocol, and it works by using
your broadband internet connection to route your call more
efficiently and cost effectively than conventional calling. The
most common VOIP method works like this. Your standard telephone
is connected to VOIP gateway, usually located somewhere in your
house like a basement or utility closet. This gateway takes your
voice and converts it from an analog signal to a digital signal.
Once it exists in digital format it is broken down into smaller
more manageable units known as “packets” and is transmitted over
the internet the same way data is transmitted to and from your
computer. These “packets” contain information about their final
destination and have instructions to enable them to be put back
together in the proper order. Once the packets reach the closest
location to their desired destination they go back through
another VOIP gateway which translates the signal back into an
analog format. The gateway then passes the signal over to a PTSN
(Public Telephone Switch Network) and your call is routed to the
number that you dialed.
As people become more familiar and comfortable with VOIP calling newer and
more advanced methods of communication will occur. In the very
early stages of adoption are IP Based telephones. Instead of
using standard telephone equipment with an RJ45 telephone
connection to a VOIP Gateway these phone interfaces directly
with the internet through a standard network connection. This
enable you to use your phone at home unplug it when you leave
and then plug it in at your office and your calls are
automatically routed to the phone wherever it’s plugged in. As
WIFI networking becomes more prevalent expect to see wifi
compatible cellular phones emerge to make calling even more
While VOIP is still in the early stages of adoption there are still some
hurdles that need to be overcome. The most important ones
include emergency calling, and the need for uninterruptible
power sources. However as VOIP and other IP based telephony
continues to grow and advance, VOIP service providers will find
ways to solve these problems.
� Copyright VOIPTelephoneSystem.org, All Rights Reserved.
About the author:
Jessica Liu is a staff writer at
http://www.voiptelephonesystem.orga news and information
website about VOIP and VOIP related technologies.