User Guide
15
Hold:Click the button to hold the current call, press
to reseume
Transfer: Click the button to enter the establish transfer
interface
Mute: Click the button to mute, to resume.
Video call: Click the button to send a video request/close the
video
Answer mode: to switch handset , handfree or
haedset mode
Extend key : Click the button to open the extended icons,
to close.
Conference : Click the button to enter the establish
conference interface
Record: Click the button to start record, to stops










