Check the settings in your Lyric app to make sure the camera's microphone is turned on. To turn the volume on for the Lyric C1 or C2 Wi-Fi Security Camera, follow these steps:
1.Log into the Lyric App
2.Select the "Three Bar" icon in the upper left corner
3.Select the camera from the menu
4.Select "Camera Microphone"
5.Slide the toggle switch to the right until the status bar turns blue
If you're still having issues, contact Honeywell Support at 1-800-633-3991.