Is Wi-Fi calling free to use internationally?

Only limited providers allow you to call and use Wi-Fi calling internationally, such as Telstra and Belong Mobile. Even then, you can only make and receive calls back to Australia, as well as receive calls from Australia at no additional charge. You can't use Wi-Fi calling overseas with Optus and Vodafone. It's best to check with your provider as to what costs are associated with anything to do with making calls internationally as charges can be quite high.

Can I receive normal calls using Wi-Fi calling?

Yes, you can receive normal calls using Wi-Fi calling.

Is Wi-Fi calling the same as WhatsApp?

Wi-Fi calling is not quite the same as Whatsapp. While using WhatsApp allows you to make calls over a Wi-Fi connection, you need to do so in the app itself. Wi-Fi calling, meanwhile allows you to make calls like you normally would on your phone, where you can use your contacts list for example as normal.

Does Wi-Fi calling drain your phone's battery?

There is a possibility that Wi-Fi calling may drain your phone's battery faster than making traditional calls, but the difference is usually not that noticeable. Any issues might have more to do with your model of phone and operating system than Wi-Fi calling itself.