Understanding the Issue
You may experience one-way audio when connected via Bluetooth using a Bluetooth headset or an automobile Bluetooth system.
|Software version affected||1532.20.10006.531|
|Software version resolved||1532.20.20004.531|
|Software update resources||None|
Help & How to
This issue is caused by a Windows Phone 8 OS limitation.
When experiencing one-way audio, disconnect and then re-connect the Bluetooth device or system and then try your call again.
With software version 1532.20.20004.531 the issue is resolved.