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Analog and Digital
The majority of VoIP audio conferencing
technologies allow you to have the capability to network multiple groups
or parties from different geographical locations, making it simple to hold
international sales meetings. As the Internet becomes a standard part
of any suite of office equipment, analog telephone services, audio conferencing
and their equipment will soon become obsolete. Audio conferencing will be
done more and more on the Internet
using VoIP based web conferencing services offering powerful collaborative
services that go beyond just simple voice communications.
This new technological innovation in communication occurred after several
other telephonic forms of communication were developed. One of the
most progressive developments occurred in 1973 when Dr. Martin Cooper of
Motorola Corporation made what was probably the first cellular telephone
call on a portable handset called the Dyna-Tac. After a successful test
run, he took it to New York to introduce the technology to the public. By
1977, the cell phone had gone public, but
these first models were cumbersome and generally used by those who were
used to keeping in touch by two-way radio. By no means were they considered
something that everyone should have or even want. They were initially considered
a replacement for the mobile phones already in existence. The difference
with cellular was the use of small “cells” for range of service
in order to increase the capacity of calls handled, dramatically increasing
the number of calls capable of being made by mobile/cellular phone at one
time in one particular location.
Analog technology was used for the first mobile systems, which operated
at 800 Megahertz in a continuous wave. Over time, the power needs of callers
increased and the industry standard moved to a more reliable 1850 MHz with
PCS. In 1988, the Cellular Technology Industry Association was formed to
develop guidelines for cellular service
providers and steer developments and improvements in the cell phone industry.
While the majority of users still have analog cell phones, the new frontier
is digital. Rather than using a continuous wavelength for transmission,
digital chops up the wave into discreet bytes of information and sends them
in “pulses” of data. The up side to this is that digital signals
tend to be more secure when transmitted than analog. It is also a more efficient
use of bandwidth and provides clearer, cleaner sound quality. If you transmit
video clips or photos, digital is faster.
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