Internet Leased Line Service

Leased lines services (or private Line services) became digital in the 1970s with the conversion of the Bell backbone network from analog to digital circuits. This allowed AT&T to offer Data phone Digital Services (later re-branded digital data services) that started the deployment of ISDN and T1 lines to customer premises to connect.[1]

An Internet leased line is a premium Internet connectivity product, normally delivered over fiber, which provides uncontended, symmetrical bandwidth with full-duplex traffic. It is also known as an Ethernet leased line, dedicated line, data circuit or private line.

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