If you are unsure of any of the terms used in telecoms, this list should assist. If you need more information, you can ask us using the Contact form here.
21st Century
Network:
The network, which will eventually replace the PSTN. Developed in the UK by BT, it is also called the 21CN.
21CN:
The 21st Century Network.
ADSL:
Asynchronous Digital Subscriber Line. A means of achieving broadband access to the Internet, using conventional copper telephone cables. The Asynchronous part of the name refers to the fact that the bandwidth down from the Internet is greater than the bandwidth up from your computer to the Internet.
Analogue Line:
Also called a Landline or STD line. Analogue lines do not use Digital transfer of voice information.
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