Notes on Using Voice Communications Apps
When you use voice communications apps such as voice chat in the following cases, both parties cannot talk
simultaneously. Take turns speaking.
A headphone without microphone function is connected to the headphone jack.
Nothing is connected to the headphone jack.
You can talk simultaneously when a headset is connected to the headphone jack.
You cannot use voice chat over the AT&T mobile broadband network. Please use Wi-Fi for this function.