LG VS930 - Manual (Page 73)

71
Calls
While viewing the in-call screen, you can unmute the microphone by
tapping the Mute icon again.
The microphone is unmuted automatically when the call ends.
To turn the speakerphone on or off
 Tap the Speaker icon .
The light bar on the Speaker icon illuminates blue to indicate that the
speakerphone is on. If you close the Call screen, the Speaker icon
will appear in the Status Bar and the sound from your call is played
through the phone’s speaker on the back of the device.
While viewing the in-call screen, you can turn the speakerphone off by
tapping the Speaker icon again.
The speaker is turned off automatically when the call ends.
WARNING!
To avoid damage to your hearing, do not hold the phone against your ear when the
speakerphone is turned on.
To switch between a Bluetooth device and the phone
When a Bluetooth device is paired and connected to your phone, you can
conduct calls on it for hands-free conversations. During a call, you can easily
switch between using the Bluetooth device and your phone.
When using the Bluetooth device during a call, the Ongoing Call notification
icon is blue in the Status Bar (the icon is green when using the phone).
 Tap the Bluetooth icon to switch the call from the Bluetooth
device to the phone, or vice versa.