The standard speed for dialup is just 56kbps (that's nothing compared to NBN™!) but the speed may also be affected by the following:
If you're experiencing line noise on your Home Phone, this may affect your dialup performance.
Your computer system is extremely likely to meet the following minimum requirements:
Computers these days don't have built-in dialup modems like they used to. To use dialup, you'll need one of the following:
You should be able to purchase one of these at a computer and/or electronics store.