Wi-Fi calling is an operator specific feature. Your operator doesn’t support it.
- Is Adobe Flash capability supported on the Lumia phones?
- I cannot share my Lumia’s internet connection with another device
- I cannot connect to the internet using a mobile data connection on my Lumia phone
- Which Web browser is pre-installed on my Nokia Lumia phone?
- Why can I not see my 5GHz WiFi access point during flight (airplane) mode?