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