No voice from callers
- Check that both the headset and the connected device are turned on.
- Turn up the volume of the headset and the connected device.
- Check that output of the BLUETOOTH device is set for the headset.
- Select an HFP or HSP BLUETOOTH connection by operating the BLUETOOTH device.
- If you are listening to music using the headset, stop playback, press the button on the headset and talk.