Vowifi on zenfone 9 and android 13.

[adriandaw]

There are icons available for the status bar, but no actual connection.

Nowadays this is a basic essential. 

[tochmi]

Put this code in your Asus phone dialer app:

*#*#3642623344#*#*

And now go to Settings / Network & Internet / Call / Wi-Fi calling.

After reboot the phone repeat this process. 

Enjoy!