| Using the Yealink VC Cloud Management Service Platform | 50• If you do not register a Yealink Cloud account and the VMR requires no password: for SIP devices, dialconference ID**@server address or server address##conference ID to join the VMR.• If you do not register a Yealink Cloud account and the VMR requires a password: for SIP devices, dialconference ID** conference password@server address or server address##conference ID**conferencepassword to join the VMR.Managing Yealink Cloud Video ConferencesThe following introduces how to manage Yealink cloud video conferences, including scheduled conferences, MeetNow conferences and Virtual Meeting Room (VMR).The modes of Yealink Cloud video conferences are education mode, training mode and discussion mode. In theconference, the participant roles are as follow:• Organizer: The organizer is someone who schedules the conference. The organizer in the training modeconference and the discussion mode is moderator by default. The organizer can designate any participant to be themoderator and give them control over the meeting.• Moderator: The moderator is someone who has meeting control permissions.• Guest: Participants other than the moderator have no control over the meeting.• Appointing a Lecturer• Switching the Roles of Teacher and Student• Switching Free Speak and Raise Hand Mode on CTP20• Applying for Speaking• Managing the Application• Inviting Conference Participants• Removing Conference Participants• Muting or Unmuting All Conference Participants• Muting or Unmuting a Conference Participant• Blocking or Unblocking Audio on CTP20• Disabling or Enabling the Camera on CTP20• Controlling Cameras by CTP20• Enabling or Disabling Live Broadcast on CTP20• Viewing the Message List• Leaving the Conference• Ending ConferencesAppointing a LecturerIn a training mode conference, if you are the organizer or the moderator, you can appoint yourself as the lecturer viayour CP960.About this taskNote: The modes of scheduled conferences and VMRs are Discussion mode and Training mode. Onlythe Yealink Cloud enterprise administrator can configure the conference mode on Yealink VC CloudManagement Service Platform.• In Discussion mode conference, all conference participants can speak freely.• In Training mode conference, all conference participants are muted by default except for the organizer and themoderator. The organizer or the moderator can appoint lecturers, and the lecturers can speak freely.