Ensure that you have enabled your microphone by clicking on the lock icon in your URL address bar. if it is blocked, change it to ‘allowed’.
If you still encounter this problem, follow these steps:
Right-click on the page and select Inspect option.
In the pop-up window which appears, select Console tab,
Share a screenshot of the console tab with us at support@freshcaller.com.
The console tab helps us understand the error.