LG P705 User Manual page 318

Calls
1 On the Home screen, touch
2 Touch Menu.
3 Tap Call settings and choose the options
that you want to adjust.
Fixed dialing numbers – To turn on and
compile a list of numbers that can be called
from your phone. You'll need your PIN2,
which is available from your operator. Only
numbers within the fixed dial list can be
called from your phone.
70
Save unknown numbers – Add unknown
.
numbers to contacts after a call.
Voicemail – Allows you to select your
carrier's voicemail service.