LG B016222 - Manual (Page 57)

55
In-call options
Speaker On - Touch to turn
the speakerphone on.
Mute - Touch
to turn off the
microphone so the person you are
talking to cannot hear you.
Hold - Touch
to put a call
on hold.
Touch to end the call.
Touch to open a numerical keypad for
making a second call. This function also allows
you to navigate menus with numbered options
when you dial automated telephone services,
such as call centers.
Touch
to browse your Contacts list
during a call.