ADSL

The phone company's answer to cable modems and in the future even an alternative to ISDN . An ADSL circuit connects two specific locations (similar to a leased line ) but it is much faster than a regular phone connection. In theory ADSL allows download speeds of up to 9 Mbps and upload speeds of up to 640 Kbps.

Asymmetric Digital Subscriber Line. The technology to carry high speed data over ordinary phone lines.It is up to 70 times as fast as a 28.8 modem,and can be used concurrently with voice.