Definition 1. - 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 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. - 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.

Definition 4. - 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 Campbellsville T1 line is in common use today in ISP (Internet Service Provider) connections to the Internet

Campbellsville, Kentucky, Jun. 19 /Olamide Lieberman/ -- For many small to medium size businesses, higher productivity with relation to their broadband and voice services is just around the corner. Thanks in part to the recent price reduction trend in the industry, carriers have deemed it necessary to consolidate in order to offer more services at a lower cost than their rivals. Overlapping networks have been consolidated into leaner, more feature-rich versions of their previous selves, dramatically lowering the price small businesses pay for the popular dynamic integrated T-carrier (T-1) lines that combine local voice and high-speed Internet service into one connection.

"I think the telecom industry in general has turned a corner" opined Jerry Gold of Boston, Massachusetts. "They have finally developed products that are understandable by the industry outsider and, thanks to competition, priced these services in a range that most small businesses can afford. For over 20 years I dreaded dealing with 'the phone company'. But now that I've switched over to One Communications, my integrated T1 is doing everything I need it to, for under $450/month. One actually answers their customer service calls and makes me feel like I'm part of their family. It was a long time coming, but I'm finally able to end the fight with the phone company so I can focus on my sports memorabilia store."

The old-school integrated T-1 was analog in nature, and came with 24 configurable channels (called a trunk) which could be configured to carry either voice or data traffic. The new "dynamic" trunks are all-digital and can change on-the-fly to carry either data or voice traffic. This comes in handy when none of the voice lines are in use - all channels can revert to carrying data traffic, giving the end-use a full 1.5 MBPS of broadband. Each phone call requires only 64K of bandwidth, so even a small handful of calls only slows down the data connection by a nominal amount.

Kentucky, ordinarily not known for its telecom prowace, has been a hotbed for businesses making the move to dynamic telecom lines. One local business owner - Linda Peterson - who operates a travel agency, recently told us that "I never expected the phone company to come out with anything that would help me lower my costs. On the contrary. Ma Bell has had a history of raising my rates and making my life difficult. When I heard about the XO Flex package (offering 10 dynamic voice lines and 1.5 mbps of high speed Internet) at a price of under $500, I couldn't move over fast enough." Since then Linda reported a $150/month savings in her telecom expenses.

Dynamic integrated T1s are a fairly new phenomenon. Unlike their analog counterparts that can never deviate from their initial set up configurations, dynamic T1s are able to convert voice phone calls into data packets and them prioritize their delivery through an all-digital trunk. The ability to break everything down into the lowest common denominator (digital) allows the system to change on-the-fly to reclaim phone lines for high speed Internet the second the phone call is terminated. An integrated T1 essentially provides the end user the same service as one data T1 line and one voice T1 line, for half the cost.

"I am very satisfied with my new XO dynamic T1" added Mike McLoude, a small business owner in Santa Monica, California. "The flexible nature of the system allows me to conduct business with the same efficiency as many of my bigger competitors, for less than what they pay." Mr. McLoude is not alone - many Californians are seeing the technology light and taking the leap of faith away from traditional TDM.

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. 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.

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