The Sound and Telecommunications Association Australasia (STAA) was formed in 2016 to support the operations of the clubs in Australia and New Zealand concerned with the collecting, preservation and history of telecommunications and sound equipment. Links to the Australian clubs’ websites as well as numerous other sites appear on the front page .

A list of Australian Rental Telephones from 1901 – 2015

Australasian Telephone Collectors Society. The ATCS now hosts the late Bob Estreich’s site, “Bobs old phones” – a valuable resource for novice collectors.

https://www.facebook.com/groups/1415662791947783

Face Book group for enthusiasts interested in telephony, telecommunications, and related technologies in Australia. Members can share knowledge, ask questions, and discuss the latest developments in the field.

The contact point for the WA Historic Telecommunications Society (a branch of the abovementioned AHTS).

The Journal of the South Australian Telephone Collectors Society Inc.​

https://redtelephonebox.net

This is the site of an Australian business restoring and marketing old PMG telephone boxes, post boxes etc. The only Australian source as far as I know. Located in NSW.