I am contacting CRTC about this very bad business practice and poor service that leads to my 100 dollar!!!
🖕🏾I am going to new provider!
Welcome to the community!
There was an outage with Facebook, Instagram and WhatsApp during the day which can explain why you weren't able to make calls with WhatsApp, though, it shouldn't throw you on a to regular over-network call.
Feel free to reach out via these methods if you need any help with your account.