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Virtually, all residences and businesses currently have two pairs of copper wires running to them. T1 broadband lines are capable of delivering 1.54 Mbps simultaneously in both directions, one direction for each pair of copper lines. Because T1 broadband service is repeater driven (signal is digitally reestablished about every 6000 feet), it is available several miles from telephone central offices. For this reason, T1 broadband service can be available to virtually all businesses in the US. T1 broadband lines are dedicated, in that they are always connected, and are also extremely stable. Most reputable providers include service level agreements which guarantee the reliability of the T1s they offer.
There are several types of T1 broadband lines. These include: full (1.54 Mbps), fractional (commonly 128 Kbps to 756 Kbps), burstable (less expensive for companies which normally do not need a full T1, but at times due to peak work loads, need a burst to full T1 bandwidth), integrated (one T1 line comprised of any combination the types of T1 listed here), channelized DS1 (another name for integrated T1),
point-to-point (direct and constant T1 connection between to locations), data (internet),
dynamic integrated,
local (local phone service), pri (voice service which includes added features such as caller ID),
and frame relay (a T1 network between two or more locations). Each of these types of T1 has advantages over the others, depending on the specific needs of your company. Also, the availability of each is based on the offerings of each T1 provider and the geographic location of your business.
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