Please tell us some basic information before asking for help:
Model Name: Rog 3
Firmware Version: ww 17
Rooted or not: not
Frequency of Occurrence: not even once
APP Name & APP Version (If your issue relates to the app): airtel vowifi calling
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.