networkn:and you probably wont.Looked in the settings for my Note 20 Ultra 5G and I can't see settings to enable Wifi Calling?
Unless its an iphone, or s20/s21 or the single oppo.
They have updated the table to include whats been developed now however.
And you are 2 months away. Thats 2 months of missed calls if in a pooh area
https://www.vodafone.co.nz/our-networks/wifi-calling/