LG VS980 - Manual (Page 68)

66 Calls
When viewing the Call screen, you can turn the speakerphone off by
tapping the Speaker button 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 headset and the phone
When a Bluetooth headset is paired and connected to your phone, you can
conduct calls on the headset for hands-free conversation. During a call, you
can opt to use the Bluetooth headset or just the phone.
When using the Bluetooth headset 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 button on the call screen to switch the call from
the phone to the Bluetooth device, or vice versa.
Managing Multiple Calls
Contact your wireless service provider to find out which call services are
supported.
To switch between current calls
 Tap Swap calls .
The current call will be placed on hold and you will be connected with
the other call.