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T1 Facts
T1 is a dedicated high-speed digital connection providing total bandwidth of 1.544 Mbps.
A T-1 line consists of 24 individual channels, each transmitting up to 64Kbits per second. Each 64Kbit per
second channel can be configured to carry voice or data traffic. A circuit configured with less than 24
channels is known as a fractional T1.
PRI T1 is a type of ISDN, and includes 23 B-channels and one D-Channel. PRI T1 is used primarily for voice
traffic, but also supports data and video applications. High demand PRI features include caller ID, DID and
accounting codes.
T1 lines are also a popular option for businesses connecting to the Internet. While T1 leased lines are
more expensive than DSL or satellite, they are more stable and generally support a higher number of users.
T1 lines are sometimes referred to as DS1 lines.
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