Sony WI-1000XM2 Help Manual page 136

Help Guide
Wireless Noise Canceling Stereo Headset
WI-1000XM2
Cannot hear a person on a call.
Check that both the headset and the connected device (i.e., smartphone) are turned on.
Turn up the volume of the connected device and the volume of the headset if they are too low.
Check the audio settings of the Bluetooth device to make sure the sound is output from the headset during a call.
Use the Bluetooth device to re-establish the connection. Select HFP or HSP for the profile.
If you are listening to music with the headset, stop playback and press the
call.
Related Topic
How to make a wireless connection to Bluetooth devices
Receiving a call
Making a call
5-008-613-11(1) Copyright 2019 Sony Corporation
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(call) button to respond to an incoming