User's Guide

9
Description of Function Keys
Transfer incoming calls to other phone number.
Hand-free and handle switch key, need to use with handle
Audio & Video switch button, press this button to switch audio call when in the
video
Keyboard function key, when you press this key, the dial pad will pop up
Add multi-party call, currently supports up to 4-party calls including self
Hang up key, hang up the current call
Hold button to keep current call function
Mute button