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Digital Subscriber Line (DSL) technologies are the most commonly available broadband connection type in Australia today. It enables high speed data transmission over copper wire telephone lines. It is much faster than the old ‘dial-up’ modem technology, and your computer is always connected to the internet.


Asymmetric DSL (ADSL) is provided over the existing telephone wires, and includes a traditional fixed line telephone number. This means that a single telephone connection can be used for both broadband access and phone calls simultaneously at the same time. ADSL offers speeds of up to 8 Mbps (ADSL 1) or 20 Mbps (ADSL 2+).

Although ADSL is widely available across Australia, some premises cannot be connected because of their distance from a telephone exchange or poor quality copper wire. ADSL can also be affected by interference from other subscriber’s services.

Naked DSL

Naked DSL is an ADSL service installed on a phone line that doesn't have an actual phone number associated with it. It is particularly suitable for businesses that only use mobile phones, or for those using Voice-over-IP (VOIP) services like Skype.

In addition to ADSL and Naked DSL, very-high-bit-rate DSL (VDSL) may also become increasingly available.

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