Please tell us some basic information before asking for help:
Model Name: ROG phone 3 +
Firmware Version:android 10
Rooted or not:
Frequency of Occurrence: all time
APP Name & APP Version (If your issue relates to the app): system app for call
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.
When I pick up income phones I cannot hear the voice and as well noone hear me. When I ring back all is ok. How I can fix this problem?