What is the downside of WiFi calling?
The Cons. While Wi-Fi calling can be a great option for calls from home, it’s considerably less reliable in public settings. If you’re in a cafe or a hotel, think of all the bandwidth that is shared between multiple users all actively using the same network.
Does WiFi calling use my minutes?
Wi-Fi calls are typically included in your existing voice calls plan and count as regular calls. If you have limited minutes, Wi-Fi calls will likely count as a part of your allowance. They should not incur additional charges, but we recommend you double-check as carriers don’t always treat them the same.
Is WiFi calling free UK O2?
You can use Wifi Calling wherever there is wifi, including wherever
O2 (UK) – Wikipedia
Wifi is available. It’s free to connect to O2 Wifi, but remember other wifi providers might charge you to connect, like on certain trains and in some hotels.