According to Webopedia, T-1 or Trunk Line One is a dedicated phone connection supporting data rates of 1.544Mbits per second. A T-1 line consists of 24 individual channels, each of which supports 64Kbits per second. Each 64Kbit/second channel can be configured to carry voice or data traffic.

Within the communications world, trunking is analogous to the structure of a tree with one trunk and many branches. According to Wikipedia, this is exactly how trunking got its name. Trunking is a concept by which a communications system can provide network access to many clients by sharing a set of lines or frequencies instead of providing them individually.

T-1 lines are a popular leased line option for businesses connecting to the Internet and for Internet Service Providers (ISPs) connecting to the Internet backbone. Here are some more facts for your review:

• T-1 transmits digital signals instead of analog.
• T-1 connections are available in US, Japan and South Korea, while E-1 connections are available in Europe.
• T-1 PRI offers 23 channels and 1 additional channel to pass data such as Caller ID and improve performance. T-1 PRI is often used for call centers.
• A Bonded T1 is two T1 lines offering 3.0 Mbps of bandwidth.
• A T-1 line is either made of fiber or copper and T1 is being replaced by Fiber to the x (FTTx) technologies, which is a generic term for any broadband network architecture that uses optical fiber to replace all or part of the usual metal local loop used for last mile telecommunications.

Inphonite, LLC develops and markets professional, automated phone messaging systems and interactive computer telephony products that improve the profitability and productivity of a wide range of organizations. InphoniteVoice supports Digital, Analog and VoIP connections.