Definition 1. - 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 2. - 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 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 Bridgeport T1 line is in common use today in ISP (Internet Service Provider) connections to the Internet

Bridgeport, Michigan, Sep. 30 /Kiersten Thomas/ -- During the 2000 Internet bubble meltdown, the telecom industry learned the hard way that wild spending on network infrastructure was not the best approach to attracting new business and investment. Over the past 7 years the industry, particularly the CLECs (Competitive Local Exchange Carriers) have been focusing on building products that offer more bang for the buck in order to compete with the Bells in their own backyards. One product that has become the flagship offering to small to medium size businesses is the dynamic integrated T1 line, which combines all the usefulness of 24 regular phone lines into a singe T-1 capable of delivering high-speed broadband on the same connection.

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.

"The marriage of lower price points and feature-rich T-1 services have made it so that customers can now get more bang for less buck" observed Kent Stallions, telecom expert at PK Communications. "The good old days of the Bells charging people $50/month for regular POTs lines without them having another alternative are over. With the advent of sub-$450 dynamic integrated T1 service, businesses are able to get up to 1.5 Mbps of Internet connectivity and 24 phone lines all in one package, for less than what they pay now for 5 regular phone lines" Stallions continued.

To illustrate the types of decisions that small business owners are faced with on a daily basis, we interviewed Glenda Probst, small business owner in Los Angeles, California, about her recent move to a dynamic integrated T-1. "I was in a quandary about how to go about expanding the number of voice lines to my business. Before making the move to a dynamic integrated line, I was using POTs lines. After the fifth line, my bill was above $300/month, not including my $100/month DSL connection. Now, I have 12 pure digital voice lines, 1.5 MB of broadband, and I pay under $400 for it. It was a major upgrade in service with a reduction in total price. I only wish I'd learned about this product sooner."

The irony of the new small business communications revolution is that it took so long to gain traction. The whole idea of reclaiming inactive voice channels for data applications is not new, and was introduced by many CLEC operators over five years ago. So why did it take so long for SMB's to adopt the technology and make the change? One might argue that the Internet bubble burst in 2000 shook many people's confidence in telecommunications, one of the hardest hit industries. With so many telecoms going out of business, or merging with other small players just to stay solvent, many customers took the "wait and see" approach before making the decision to entrust their communications with a company not associated with Ma Bell. Now that economic Darwinism has taken hold, the remaining companies are attracting new customers who see the benefits of the new technology without the downside risk of loosing service or not being able to get through to customer service in the pinch.

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.

As the competitive local exchange carriers continue to compete by introducing new and exciting products at prices most small businesses can afford, they are coming up against increasing resistance from the RBOCs who are forces to lease their own copper lines to these CLECs at reduced rates. This reality has the CLECs rushing to deploy their own networks and fiber routes, but the FCC may ultimately relax the mandate - leaving all of us wondering how long the party is going to last. Looking in the crystal ball of the future, it is clear that new an innovated services being offered by the few super-CLECs remaining will drive innovation higher and prices lower. New technology is being pressed to the forefront by lower prices that the mainstream of small businesses everywhere can comfortably afford.

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