VoWIFI or WIFI Calling is currently supported by the Telstra, Optus and Vodafone networks. It allows you to make and receive calls with a compatible mobile phone using your home internet (you don’t need mobile coverage).
The Regional Tech Hub have the latest information here
*Please note, while all care has been taken in compiling BIRRR documents, we recommend that you check with your provider regarding WIFI Calling. Thanks to BIRRR member John Kitchener for compiling this document.
Better Internet for Rural, Regional & Remote Australia (BIRRR) 