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Courtesy of ShopforT1.com
Definition 1. -
The T-carrier system, introduced by the Bell system in the US in the 1960's, was the first successful system that supported digitalised voice transmission. The original transmission rate (1.544 Mbps) in the Gloucester T1 line is in common use today in ISP (Internet Service Provider) connections to the Internet
Definition 2. -
A high-speed digital connection capable of transmitting data at a rate of approximately 1.5 million bits per second. A T1 line is typically used by small and medium-sized companies with heavy network traffic. It is large enough to send and receive very large text files, graphics, sounds, and databases instantaneously, and is the fastest speed commonly used to connect networks to the Internet. Sometimes referred to as a leased line, a T1 is basically too large and too expensive for individual home use.
Definition 3. -
The T1 (or T-1) carrier is the most commonly used digital line in the United States, Canada, and Japan. In these countries, it carries 24 pulse code modulation (PCM) signals using time-division multiplexing (TDM) at an overall rate of 1.544 million bits per second (Mbps). T1 lines use copper wire and span distances within and between major metropolitan areas. A T1 Outstate System has been developed for longer distances between cities.
Definition 4. -
A type of high speed Internet connection that provides a great deal of bandwidth. Many businesses lease T1 lines to connect to the Internet, but because they are expensive and offer more bandwidth than most small businesses and homes need, they are not realistic solutions for small and low-demand Internet users.
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Friday November 14, 2008,
12:27 am ET
Gloucester, Massachusetts, Nov. 14 /Brendan Luna/ --
Small businesses all over the country are discovering a whole new universe of broadband access.
As the price of commercial-grade telecommunication services continues to drop, more and more
enterprises are starting to drop their plain old telephone service lines in favor of all-digital
T1 trunks that deliver voice and data over the same connection. These new enhancements were
made possible by the increasing pace of consolidation in the telecommunication industry along
with the increasing value bigger phone companies can provide.
The question remains, if this new technology is so progressive, why did it take over five
years to gain broad appeal to SMB's across the country? One industry analyst from the
Telecommunications Research Institute observed that many customers who consume commercial-grade
phone service became very untrusting of telecom providers after the Internet bubble burst
in 2000 and the MCI bankruptcy proceedings full of allegations of fraud and embezzlement.
After all, no customer wants to come to work one day just to find out that their connection
to the outside world has been shut down due to financially unstable service providers not
being able to run a profitable or ethical business. Now, due to a series of acquisitions
and mergers, the "survivors" are offering great products at rates that SMB's can't continue
to ignore. The CLEC's and Bells are quickly gaining traction with the very important
demographic.
According to a recent study conducted by PK Communications Telecom Brokers Inc., the average
cost of a POTS (plain old telephone service) line serviced by the Bells (AT&T, Verizon,
and Qwest) have changed very little over the 10 year span from 1996, the year the
Clinton Administration signed into law the Telecommunications Act, to 2006. The real
change in the industry came in the T-carrier class of products, where customers can
get up to 1.5 Mbps of bandwidth and 24 digital phone lines all in one package. Some
CLECs like XO, TelePacific, Nuvox, One Communications, and even Covad are now offering
rates well below the $550/month level, making the change seem like a no-brainer to
thousands of customers.
"For years I've played tug-o-war with the phone company who provided voice and data
service to my toy manufacturing company" commented Troy Bergfeld of Houston Texas.
"They kept trying to sell me services I didn't need, it took them months to finally
send me a correct bill, and I wasn't able to recapture bandwidth from my T1 line
when nobody was using the phone. Now that has all changed - my Telarus product
specialist recommending I give XO Communications a try. Now I use their FLEX T1
product and I pay less and get exactly what I want. I have even add another T1
seamlessly when the time comes for my business to expand."
The Integrated T1 line has two general flavors; analog and, of course, digital.
The term "trunk" is synonymous with an integrated T1 line, representing 24
bundled DS0 (regular 64KB) channels. Digital trunks form the basis technology
for dynamic integrated lines, which are capable of transporting digitized
versions of voice traffic in addition to regular data packets. This ability
of digital trunks to function in the data realm allows it the ability to
dynamically allocate traffic according to the application, allowing priority
for voice traffic and "re-claiming" that bandwidth for data transfer when the
phone call is completed. This ensures that none of the capacity of the
T1 line is ever wasted.
The two basic Integrated T1 line configurations, as they exist in today's
market, are analog and digital. Commonly referred to as "trunks", these 24-channel
bundles transmit TDM signals directly to the service provider's network via a
local loop. Unlike analog trunks, whose configuration can not change once the
channels have been allocated, digital "dynamic" lines can change reconfigure
themselves from data, to voice, and back again. This ability to reclaim voice
channels for data broadband access when not in use gives the user the performance
of two T1's in one.
But how much longer will we continue to see improved technology, services, and prices?
It's all in the hands of the Federal Communications Commission, as they have the power
to sqwash the CLECs by proxy. No wonder AT&T and Verizon are the two biggest lobbying
powers in Washington. It makes you wonder what kind of services they would be able to
offer had they plowed that money into R&D instead of politics. Evolution has lead to a better, cheaper alternative to TDM services that the Bells were
peddling for decades in a vacuum of competition. Now the industry, lead by the innovation
and great business practices of the CLECs, seems to have turned a corner - leaving the
incumbents playing catchup. Obviously, the main benefactor of all of this competition
is the small to medium size business - a segment of the market that was taken for granted
until today.
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