Yealink VC400 User Manual page 108

User Guide for the VC400 Video Conferencing System
- Press
All the other members are muted. The organizer's display device only displays the
authorized video images.
- Press
Free Discuss
Conference organizer authorizes all conference members to speak.
The conference organizer authorizes all members to speak via the remote control:
Press
1.
96
(Speaker Only soft key) to authorize the selected members to speak.
(Cancel soft key) to cancel.
(Preside soft key) during a chairman-mode conference.