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. - 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 W Farmington T1 line is in common use today in ISP (Internet Service Provider) connections to the Internet

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.

W Farmington, Maine, Nov. 05 /Richard Anderson/ -- Is there a resurgence in the popularity of telecommunications providers that compares with the late 1990's? The answer may surprise you. Since the crash of the Internet bubble, struggling telecoms have seen Darwin in action as many companies were forced with the choice of bankruptcy or forced consolidation. However, some companies chose the road less traveled: innovation. By offering customers more for less, many small to medium size business customers are finding that they can upgrade to integrated T1 service for the same cost of five regular phone lines.

The early adapters of this new technology have realized a cost savings that helps them be more competitive in the market space. By saving hundreds of dollars each month, which equates to thousands of dollars per year, small businesses are able to do more while spending less on their telecom bill. This savings allows for hiring of additional staff, upgrading equipment, and other activities that make the enterprise more productive and profitable. Many in the industry see the lack of mass adoption of this new technology as just shear ignorance and/or a lack of trust for telecom sales people.

"The real benefit I've seen since upgrading to a dynamic integrated T1 from Nuvox Communications is simplicity" commented Johan Sebastian, a small business owner in Clearwater, Florida. "My phones work great, my internet is fast, and the best part is the reliability; I haven't had a single outage since I signed up for the new service over a year ago. Before when we had DSL and POTS lines, every day was an adventure."

There are two basic "integrated" DS-1 configurations, analog and digital. The 24-line bundle in which they come is termed a "trunk". The main difference between analog and digital trunks is their flexibility. With digital trunks, voice lines not in use can be dynamically reconfigured to carry data traffic, so they don't sit idle. Analog trunks on the other hand can not change their function once configured by the service provider. Data channels remain data channels and the same for voice channels, even if there is no voice traffic.

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.

"True convergence means that I can finally have just one phone company, without being at the mercy of Ma Bell" added Steven Lankto of Jersey City. "Having a data pipe that is intelligent enough to know when it needs to become a voice pipe, without any input from me, is genius. I'm glad that the technology is here and in the price range of businesses like mine." Mr. Lankto isn't alone; there is now widespread acceptance of integrated voice and data service in the New York metro area and across most larger U.S. cities.

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. The golden age of telecommunications may be upon us, based upon our research and recent uptick in customer satisfaction. Although the industry has years of bad blood to overcome, recent innovations such as the dynamically configuring T1 line are proof that progress is indeed being made.

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