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 Ashfield 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.

If a T1 service isn't enough to meet your needs, you can choose from the Tier 1 service providers' comprehensive t3 line (DS-3) service options. This high-speed line is offered in variables of up to 45 Mbps (from 3 Mbps to 45 Mbps or just 45 Mbps, depending on your needs) of continuous bandwidth so you can optimize the response time of your Web site, transfer large video files, or offer regional Internet access. We found 5 service providers that offer great plans. The first plan we found was with ACC Business. ACC uses the ATT network exclusively and is at the top when it comes to reliability. At ACC you'll get the realiability you would expect from ATT without the price.

Sprint also came up high in our review of T3 service plans. Sprint offers an incredible SLA (Service Level Agreement) with their service standing behind the product they offer 100%. While this may seem like something all providers do, further research will show that not all providers offer an SLA like Sprint. The third provider offering a great T3 plan is Telepacific. Unfortunately Telepacific is a regional player and only offers service in California and Las Vegas. Because of their focus they are extremely specialized and offer incredible customer support and reliability. If you're not in California you may consider moving there just to get this service!

The fourth plan we found and highly recommend is Telarus. Telarus is a reseller for Global Crossing, Qwest, and Wiltel. While you will get the value of the underlying provider you will not pay the price you would going in the front door. Telarus buys in bulk from these networks and transfers on the cost savings to its customers. Telarus is a virtual provider so you will not have extra hops to the network. You jump right on from your local CO and don't have to worry about extra latency! The final plan we suggest in our top 5 is Savvis. Savis offers Tier 1 service and highly reliable customer service. While they have a limited footprint, once you're on the network you'll have one of the best services around.

While Dave Letterman may never read this list on his show, we've created a Top 10 list of California T1 Internet Providers. In our review of service providers we considered realiabiltiy, customer support, provisioning and financial stability. In our opinion a top provider of services will have a high rating in each of the catagories. Unfortunately some of the providers we found were regional providers and may not be near you but two of them are so good you may just want to move closer to be on their network!

The top company in our survey was Telepacific. The only downside to this company is the fact that they only offer service in California and Las Vegas. Telepacific received top marks in all four or our categories and is what we recommend most to customers in California. The second carrier in our list was USLEC. Like our fist pick USLEC is a regional player offering services in the south and on the eastern seaboard. USLEC was founded and is run by engineers. These people have a passion for getting it right and keeping their customers happy. Number three on our list is New Edge Networks. New Edge is a national player found predominantly in metro areas. New Edge is large enough to be a strong player but still small enough to treat customers like a small company. Our Page Keywords Are: Ashfield frame relay Ashfield OC3 line Ashfield OC3 connection Ashfield OC3 service Ashfield OC3 provider Ashfield OC3 internet Ashfield OC3 internet connection Ashfield OC3 service provider Ashfield OC3 price Ashfield OC3 speed Ashfield OC3 internet service Ashfield OC3 internet access Ashfield fractional OC3 Ashfield OC3 bandwidth Ashfield OC3 internet service provider Ashfield OC3 internet provider Ashfield OC3 pricing Ashfield OC3 internet services Ashfield OC3 services. These keywords provide a brief overview of the services offered by ShopforOC3 in your city.

Our number four position goes to Netifice, formerly Epoch. Again, a small Tier 1 player but excellent service nationwide. Number five position goesto ACC Business. Available everywhere in the continental US, ACC used the ATT network exclusively and provides a high level of service. Positions six through ten when in the following order: Telarus, Sprint, Xspedius, PNG, and Megapath. When looking for a reliable provider you should be comfortable with any of these. Make sure you speak to your broker about the strengths and weaknesses of each carrier. While our rankings were based evenly on the four criteria mentioned at the beginning of the article you may decide that some criteria are more important to you than others. Good luck in your search.

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