- PSTN LinePSTN Phone Line (Public Switched Telephone Network) is the traditional analogue phone line the commonly used in businesses and homes around Australia. 1x PSTN line requires 1x copper pair.
- ISDN LineISDN Phone Lines (Integrated Services for Digital Network) is a type of digital line designed to allow digital transmission of voice and data over ordinary telephone copper wires.
There are two kinds of ISDN lines available in Australia and various setups available of each of the two. Basic Rate (BRI) & Primary Rate (PRI)