Face-to-face training in NSW (Sydney), QLD, VIC & SA. Correspondence course Australia wide. They offer a range of courses including a Cert IV in Doula Support Services.
They also have a register of doulas (call them for more info).
Many doulas go on to do further training as a Childbirth Educator. The roles are quite different but complementary. Many organisations offer both doula training and educators courses. Some require you to have done their doula course as a pre-requisite.