Blackboard has four different roles available to users in a Collaborate Ultra session. Blackboard's Roles page lists and briefly explains these roles.
Collaborate Tools Reference
What's New in Blackboard Collaborate
Visit Blackboard's What's New page for updates and new features coming to Blackboard Collaborate.
How to Add a Profile Picture to Your Collaborate Session
Check out Blackboard's Add a Profile Picture page for directions on adding a picture in your Collaborate Session.
How to Set Up Your Audio and Video for Your Collaborate Session
Blackboard's Audio and Video Set Up has a walkthrough for setting up your audio and Video in a Collaborate Session.
How to Use Your Phone for Audio in a Collaborate Session
See Blackboard's Call Into A Session for instruction on using the telephony feature of Blackboard Collaborate.