High-speed networking over ordinary phone lines
ADSL is a digital networking technology, offered by telephone companies and other service providers, which enables users to enjoy high-speed data communications over ordinary telephone lines. Because ADSL supports higher downstream (from the network to the user) than upstream (from the user to the network) speeds, it is ideally suited for Internet access. Accessing an ADSL service requires a compatible modem in the user's PC and equipment in the service provider's central office that integrates access from multiple ADSL service subscribers.
A variety of interactive, value-added applications can be enhanced by Internet access over ADSL, including:
- Voice calls over the Internet
- Real-time streaming data and video feeds
- Multimedia-rich Web experiences
- Distance learning via interactive data, video, and multimedia
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