Can I make multiple calls to Australia via WiFi without fees?

I need to contact Australian banks, mobile companies as well as my university and housing for questions about moving down under. Can I do this via Republic with WiFi without any fees?

Republic does not offer international service

third party apps (Skype, Google voice) or a US base international calling card (with a US based call in number)

Adding International Calling to Your Republic Phone | Republic Wireless Wiki | Fandom powered by Wikia

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