Reference

# Notes on Using Voice Communications Apps

- When you use voice communications apps such as those for Internet telephone or voice chat in the following cases, both parties cannot talk simultaneously. Speak alternately.

- 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.

- When you attempt to use Internet telephone or voice chat with 3G, you may not be able to establish a connection. Use those with Wi-Fi.