Sony GTK-XB72 Help Manual page 54

Press (play/pause)/
3
To switch the phone call output from the system to the mobile phone and vice versa
Hold down (play/pause)/
Hint
If your BLUETOOTH mobile phone supports both HFP and HSP, set it to HFP.
If you were listening to music before the call, playback will resume when the call ends.
Operations may vary depending on the BLUETOOTH mobile phone. Refer to the operating instructions for your mobile phone.
Related Topic
Pairing and connecting with BLUETOOTH devices
Terminating the BLUETOOTH connection (After use)
Receiving a call
Connecting this system with multiple BLUETOOTH devices (Multi-device connection)
(call) to end the call.
(call) while talking.
4-748-029-41(1) Copyright 2019 Sony Corporation
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