Frequently Asked Questions about T1 Lines

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A T1 line is a digital connection which can carry 24 digitized voice channels. You can also consider it as a connection which can carry data at a rate of 1.544 megabits per second. It provides a cost-effective and extremely reliable means of linking voice and data. The term DS-1 is used by some interchangeably but really refers to the digital signal aspect of the specifications.

Originally the T represented "Time Division".

Here all the channels on the T1 are allocated to carry voice (phone lines).

An Integrated T1 is actually a composite of multiple fractional T1 circuits. This allows a business to run a diverse number of applications, voice and data, over the link.

Point to point T1 is a dedicated circuit which provides the maximum (constant connectivity), most reliable throughput for a T1 connection whether full T1 or fractional.

A fractional T1 is available when the full capabilities of a T1 circuit are unnecessary. The T1 circuit is split into lower speed connections (fractions). Each unit is 64Kbits/sec so a fractional T1 can be a multiple of 64Kbits/sec up to a maximum of the T1's 1.544 megabits/sec capacity.