1. DIAL '1800-R-E-V-E-R-S-E'
To access 1800 Reverse to make a reverse charge call, just grab your mobile (even if you're out of credit on Telstra, Optus or Virgin prepaid), get to a payphone, or pick-up your home phone. Simply dial the numbers '1800'...followed with the numerals that spell REVERSE on your keypad. So that's just 1800 7-3-8-3-7-7-3